interceptors, boolean executable) {\n this.original = original;\n this.interceptors = interceptors;\n this.executable = executable;\n }\n\n @Override\n public BoundSql doBoundSql(BoundSqlInterceptor.Type type, BoundSql boundSql, CacheKey cacheKey) {\n if(executable) {\n return _doBoundSql(type, boundSql, cacheKey);\n } else {\n return new BoundSqlInterceptorChain(original, interceptors, true).doBoundSql(type, boundSql, cacheKey);\n }\n }\n\n private BoundSql _doBoundSql(BoundSqlInterceptor.Type type, BoundSql boundSql, CacheKey cacheKey) {\n if (this.interceptors == null || this.interceptors.size() == this.index) {\n return this.original != null ? this.original.doBoundSql(type, boundSql, cacheKey) : boundSql;\n } else {\n return this.interceptors.get(this.index++).boundSql(type, boundSql, cacheKey, this);\n }\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/Constant.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\n/**\n * @author liuzh\n */\npublic interface Constant {\n //分页的id后缀\n String SUFFIX_PAGE = \"_PageHelper\";\n //count查询的id后缀\n String SUFFIX_COUNT = SUFFIX_PAGE + \"_Count\";\n //第一个分页参数\n String PAGEPARAMETER_FIRST = \"First\" + SUFFIX_PAGE;\n //第二个分页参数\n String PAGEPARAMETER_SECOND = \"Second\" + SUFFIX_PAGE;\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/CountMsIdGen.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\n/**\n * 构建当前查询对应的 count 方法 id\n * \n * 返回的 msId 会先判断是否存在自定义的方法，存在就直接使用\n *
\n * 如果不存在，会根据当前的 msId 创建 MappedStatement\n *\n * @author liuzh\n */\npublic interface CountMsIdGen {\n\n /**\n * 默认实现\n */\n CountMsIdGen DEFAULT = (ms, parameter, boundSql, countSuffix) -> ms.getId() + countSuffix;\n\n /**\n * 构建当前查询对应的 count 方法 id\n *\n * @param ms 查询对应的 MappedStatement\n * @param parameter 方法参数\n * @param boundSql 查询SQL\n * @param countSuffix 配置的 count 后缀\n * @return count 查询丢的 msId\n */\n String genCountMsId(MappedStatement ms, Object parameter,\n BoundSql boundSql, String countSuffix);\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/Dialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.List;\nimport java.util.Properties;\nimport java.util.concurrent.Callable;\nimport java.util.concurrent.ForkJoinPool;\nimport java.util.concurrent.Future;\n\n/**\n * 数据库方言，针对不同数据库进行实现\n *\n * @author liuzh\n */\npublic interface Dialect {\n /**\n * 跳过 count 和 分页查询\n *\n * @param ms MappedStatement\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @return true 跳过，返回默认查询结果，false 执行分页查询\n */\n boolean skip(MappedStatement ms, Object parameterObject, RowBounds rowBounds);\n\n /**\n * 是否使用异步 count 查询，使用异步后不会根据返回的 count 数来判断是否有必要进行分页查询\n *\n * @return true 异步，false 同步\n */\n default boolean isAsyncCount() {\n return false;\n }\n\n /**\n * 执行异步 count 查询\n *\n * @param task 异步查询任务\n * @param \n * @return\n */\n default Future asyncCountTask(Callable task) {\n return ForkJoinPool.commonPool().submit(task);\n }\n\n /**\n * 执行分页前，返回 true 会进行 count 查询，false 会继续下面的 beforePage 判断\n *\n * @param ms MappedStatement\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @return\n */\n boolean beforeCount(MappedStatement ms, Object parameterObject, RowBounds rowBounds);\n\n /**\n * 生成 count 查询 sql\n *\n * @param ms MappedStatement\n * @param boundSql 绑定 SQL 对象\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @param countKey count 缓存 key\n * @return\n */\n String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey);\n\n /**\n * 执行完 count 查询后\n *\n * @param count 查询结果总数\n * @param parameterObject 接口参数\n * @param rowBounds 分页参数\n * @return true 继续分页查询，false 直接返回\n */\n boolean afterCount(long count, Object parameterObject, RowBounds rowBounds);\n\n /**\n * 处理查询参数对象\n *\n * @param ms MappedStatement\n * @param parameterObject\n * @param boundSql\n * @param pageKey\n * @return\n */\n Object processParameterObject(MappedStatement ms, Object parameterObject, BoundSql boundSql, CacheKey pageKey);\n\n /**\n * 执行分页前，返回 true 会进行分页查询，false 会返回默认查询结果\n *\n * @param ms MappedStatement\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @return\n */\n boolean beforePage(MappedStatement ms, Object parameterObject, RowBounds rowBounds);\n\n /**\n * 生成分页查询 sql\n *\n * @param ms MappedStatement\n * @param boundSql 绑定 SQL 对象\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @param pageKey 分页缓存 key\n * @return\n */\n String getPageSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey pageKey);\n\n /**\n * 分页查询后，处理分页结果，拦截器中直接 return 该方法的返回值\n *\n * @param pageList 分页查询结果\n * @param parameterObject 方法参数\n * @param rowBounds 分页参数\n * @return\n */\n Object afterPage(List pageList, Object parameterObject, RowBounds rowBounds);\n\n /**\n * 完成所有任务后\n */\n void afterAll();\n\n /**\n * 设置参数\n *\n * @param properties 插件属性\n */\n void setProperties(Properties properties);\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/IPage.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\n/**\n * @author liuzh\n */\npublic interface IPage {\n\n Integer getPageNum();\n\n Integer getPageSize();\n\n String getOrderBy();\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/ISelect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\n/**\n * 分页查询接口\n *\n * @author liuzh_3nofxnp\n * @since 2015-12-18 18:51\n */\npublic interface ISelect {\n\n /**\n * 在接口中调用自己的查询方法，不要在该方法内写过多代码，只要一行查询方法最好\n */\n void doSelect();\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/Page.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport com.github.pagehelper.util.SqlSafeUtil;\nimport com.github.pagehelper.util.StackTraceUtil;\nimport org.apache.ibatis.logging.Log;\nimport org.apache.ibatis.logging.LogFactory;\n\nimport java.io.Closeable;\nimport java.util.ArrayList;\nimport java.util.List;\n\n/**\n * Mybatis - 分页对象\n *\n * @author liuzh/abel533/isea533\n * @version 3.6.0\n * 项目地址 : http://git.oschina.net/free/Mybatis_PageHelper\n */\npublic class Page extends ArrayList implements Closeable {\n private static final long serialVersionUID = 1L;\n\n private static final Log log = LogFactory.getLog(Page.class);\n /**\n * 记录当前堆栈,可查找到page在何处创建\n * 需开启pagehelper.debug\n */\n private final String stackTrace = PageInterceptor.isDebug() ? StackTraceUtil.current() : null;\n /**\n * 页码，从1开始\n */\n private int pageNum;\n /**\n * 页面大小\n */\n private int pageSize;\n /**\n * 起始行\n */\n private long startRow;\n /**\n * 末行\n */\n private long endRow;\n /**\n * 总数\n */\n private long total;\n /**\n * 总页数\n */\n private int pages;\n /**\n * 包含count查询\n */\n private boolean count = true;\n /**\n * 分页合理化\n */\n private Boolean reasonable;\n /**\n * 当设置为true的时候，如果pagesize设置为0（或RowBounds的limit=0），就不执行分页，返回全部结果\n */\n private Boolean pageSizeZero;\n /**\n * 进行count查询的列名\n */\n private String countColumn;\n /**\n * 排序\n */\n private String orderBy;\n /**\n * 只增加排序\n */\n private boolean orderByOnly;\n /**\n * sql拦截处理\n */\n private BoundSqlInterceptor boundSqlInterceptor;\n private transient BoundSqlInterceptor.Chain chain;\n /**\n * 分页实现类，可以使用 {@link com.github.pagehelper.page.PageAutoDialect} 类中注册的别名，例如 \"mysql\", \"oracle\"\n */\n private String dialectClass;\n /**\n * 转换count查询时保留查询的 order by 排序\n */\n private Boolean keepOrderBy;\n /**\n * 转换count查询时保留子查询的 order by 排序\n */\n private Boolean keepSubSelectOrderBy;\n /**\n * 异步count查询\n */\n private Boolean asyncCount;\n\n public Page() {\n super();\n }\n\n public Page(int pageNum, int pageSize) {\n this(pageNum, pageSize, true, null);\n }\n\n public Page(int pageNum, int pageSize, boolean count) {\n this(pageNum, pageSize, count, null);\n }\n\n private Page(int pageNum, int pageSize, boolean count, Boolean reasonable) {\n super(0);\n if (pageNum == 1 && pageSize == Integer.MAX_VALUE) {\n pageSizeZero = true;\n pageSize = 0;\n }\n this.pageNum = pageNum;\n this.pageSize = pageSize;\n this.count = count;\n calculateStartAndEndRow();\n setReasonable(reasonable);\n }\n\n /**\n * int[] rowBounds\n * 0 : offset\n * 1 : limit\n */\n public Page(int[] rowBounds, boolean count) {\n super(0);\n if (rowBounds[0] == 0 && rowBounds[1] == Integer.MAX_VALUE) {\n pageSizeZero = true;\n this.pageSize = 0;\n this.pageNum = 1;\n } else {\n this.pageSize = rowBounds[1];\n this.pageNum = rowBounds[1] != 0 ? (int) (Math.ceil(((double) rowBounds[0] + rowBounds[1]) / rowBounds[1])) : 0;\n }\n this.startRow = rowBounds[0];\n this.count = count;\n this.endRow = this.startRow + rowBounds[1];\n }\n\n public String getStackTrace() {\n return stackTrace;\n }\n\n public List getResult() {\n return this;\n }\n\n public int getPages() {\n return pages;\n }\n\n public Page setPages(int pages) {\n this.pages = pages;\n return this;\n }\n\n public long getEndRow() {\n return endRow;\n }\n\n public Page setEndRow(long endRow) {\n this.endRow = endRow;\n return this;\n }\n\n public int getPageNum() {\n return pageNum;\n }\n\n public Page setPageNum(int pageNum) {\n //分页合理化，针对不合理的页码自动处理\n this.pageNum = ((reasonable != null && reasonable) && pageNum <= 0) ? 1 : pageNum;\n return this;\n }\n\n public int getPageSize() {\n return pageSize;\n }\n\n public Page setPageSize(int pageSize) {\n this.pageSize = pageSize;\n return this;\n }\n\n public long getStartRow() {\n return startRow;\n }\n\n public Page setStartRow(long startRow) {\n this.startRow = startRow;\n return this;\n }\n\n public long getTotal() {\n return total;\n }\n\n public void setTotal(long total) {\n this.total = total;\n if (total == -1) {\n pages = 1;\n return;\n }\n if (pageSize > 0) {\n pages = (int) (total / pageSize + ((total % pageSize == 0) ? 0 : 1));\n } else {\n pages = 0;\n }\n //分页合理化，针对不合理的页码自动处理\n if ((reasonable != null && reasonable) && pageNum > pages) {\n if (pages != 0) {\n pageNum = pages;\n }\n calculateStartAndEndRow();\n }\n }\n\n public Boolean getReasonable() {\n return reasonable;\n }\n\n public Page setReasonable(Boolean reasonable) {\n if (reasonable == null) {\n return this;\n }\n this.reasonable = reasonable;\n //分页合理化，针对不合理的页码自动处理\n if (this.reasonable && this.pageNum <= 0) {\n this.pageNum = 1;\n calculateStartAndEndRow();\n }\n return this;\n }\n\n public Boolean getPageSizeZero() {\n return pageSizeZero;\n }\n\n public Page setPageSizeZero(Boolean pageSizeZero) {\n if (this.pageSizeZero == null && pageSizeZero != null) {\n this.pageSizeZero = pageSizeZero;\n }\n return this;\n }\n\n public String getOrderBy() {\n return orderBy;\n }\n\n /**\n * 设置排序字段，增加 SQL 注入校验，如果需要在 order by 使用函数，可以使用 {@link #setUnsafeOrderBy(String)} 方法\n *\n * @param orderBy 排序字段\n */\n public Page setOrderBy(String orderBy) {\n if (SqlSafeUtil.check(orderBy)) {\n throw new PageException(\"order by [\" + orderBy + \"] has a risk of SQL injection, \" +\n \"if you want to avoid SQL injection verification, you can call Page.setUnsafeOrderBy\");\n }\n this.orderBy = orderBy;\n return (Page) this;\n }\n\n /**\n * 不安全的设置排序方法，如果从前端接收参数，请自行做好注入校验。\n * \n * 请不要故意使用该方法注入然后提交漏洞!!!\n *\n * @param orderBy 排序字段\n */\n public Page setUnsafeOrderBy(String orderBy) {\n this.orderBy = orderBy;\n return (Page) this;\n }\n\n public boolean isOrderByOnly() {\n return orderByOnly;\n }\n\n public void setOrderByOnly(boolean orderByOnly) {\n this.orderByOnly = orderByOnly;\n }\n\n public String getDialectClass() {\n return dialectClass;\n }\n\n public void setDialectClass(String dialectClass) {\n this.dialectClass = dialectClass;\n }\n\n public Boolean getKeepOrderBy() {\n return keepOrderBy;\n }\n\n public Page setKeepOrderBy(Boolean keepOrderBy) {\n this.keepOrderBy = keepOrderBy;\n return this;\n }\n\n public Boolean getKeepSubSelectOrderBy() {\n return keepSubSelectOrderBy;\n }\n\n public void setKeepSubSelectOrderBy(Boolean keepSubSelectOrderBy) {\n this.keepSubSelectOrderBy = keepSubSelectOrderBy;\n }\n\n public Boolean getAsyncCount() {\n return asyncCount;\n }\n\n public void setAsyncCount(Boolean asyncCount) {\n this.asyncCount = asyncCount;\n }\n\n /**\n * 指定使用的分页实现，如果自己使用的很频繁，建议自己增加一层封装再使用\n *\n * @param dialect 分页实现类，可以使用 {@link com.github.pagehelper.page.PageAutoDialect} 类中注册的别名，例如 \"mysql\", \"oracle\"\n * @return\n */\n public Page using(String dialect) {\n this.dialectClass = dialect;\n return this;\n }\n\n /**\n * 计算起止行号\n */\n private void calculateStartAndEndRow() {\n this.startRow = this.pageNum > 0 ? (this.pageNum - 1) * this.pageSize : 0;\n this.endRow = this.startRow + this.pageSize * (this.pageNum > 0 ? 1 : 0);\n }\n\n public boolean isCount() {\n return this.count;\n }\n\n public Page setCount(boolean count) {\n this.count = count;\n return this;\n }\n\n /**\n * 设置页码\n *\n * @param pageNum\n * @return\n */\n public Page pageNum(int pageNum) {\n //分页合理化，针对不合理的页码自动处理\n this.pageNum = ((reasonable != null && reasonable) && pageNum <= 0) ? 1 : pageNum;\n return this;\n }\n\n /**\n * 设置页面大小\n *\n * @param pageSize\n * @return\n */\n public Page pageSize(int pageSize) {\n this.pageSize = pageSize;\n calculateStartAndEndRow();\n return this;\n }\n\n /**\n * 是否执行count查询\n *\n * @param count\n * @return\n */\n public Page count(Boolean count) {\n this.count = count;\n return this;\n }\n\n /**\n * 设置合理化\n *\n * @param reasonable\n * @return\n */\n public Page reasonable(Boolean reasonable) {\n setReasonable(reasonable);\n return this;\n }\n\n /**\n * 当设置为true的时候，如果pagesize设置为0（或RowBounds的limit=0），就不执行分页，返回全部结果\n *\n * @param pageSizeZero\n * @return\n */\n public Page pageSizeZero(Boolean pageSizeZero) {\n setPageSizeZero(pageSizeZero);\n return this;\n }\n\n /**\n * 设置 BoundSql 拦截器\n *\n * @param boundSqlInterceptor\n * @return\n */\n public Page boundSqlInterceptor(BoundSqlInterceptor boundSqlInterceptor) {\n setBoundSqlInterceptor(boundSqlInterceptor);\n return this;\n }\n\n /**\n * 指定 count 查询列\n *\n * @param columnName\n * @return\n */\n public Page countColumn(String columnName) {\n setCountColumn(columnName);\n return this;\n }\n\n /**\n * 转换count查询时保留查询的 order by 排序\n *\n * @param keepOrderBy\n * @return\n */\n public Page keepOrderBy(boolean keepOrderBy) {\n this.keepOrderBy = keepOrderBy;\n return this;\n }\n\n public boolean keepOrderBy() {\n return this.keepOrderBy != null && this.keepOrderBy;\n }\n\n /**\n * 转换count查询时保留子查询的 order by 排序\n *\n * @param keepSubSelectOrderBy\n * @return\n */\n public Page keepSubSelectOrderBy(boolean keepSubSelectOrderBy) {\n this.keepSubSelectOrderBy = keepSubSelectOrderBy;\n return this;\n }\n\n public boolean keepSubSelectOrderBy() {\n return this.keepSubSelectOrderBy != null && this.keepSubSelectOrderBy;\n }\n\n /**\n * 异步count查询\n *\n * @param asyncCount\n * @return\n */\n public Page asyncCount(boolean asyncCount) {\n this.asyncCount = asyncCount;\n return this;\n }\n\n /**\n * 使用异步count查询\n *\n * @return\n */\n public Page enableAsyncCount() {\n return asyncCount(true);\n }\n\n /**\n * 不使用异步count查询\n *\n * @return\n */\n public Page disableAsyncCount() {\n return asyncCount(false);\n }\n\n\n public boolean asyncCount() {\n return this.asyncCount != null && this.asyncCount;\n }\n\n public PageInfo toPageInfo() {\n return new PageInfo(this);\n }\n\n /**\n * 数据对象转换\n *\n * @param function\n * @param \n * @return\n */\n public PageInfo toPageInfo(Function function) {\n List list = new ArrayList(this.size());\n for (E e : this) {\n list.add(function.apply(e));\n }\n PageInfo pageInfo = new PageInfo(list);\n pageInfo.setTotal(this.getTotal());\n pageInfo.setPageNum(this.getPageNum());\n pageInfo.setPageSize(this.getPageSize());\n pageInfo.setPages(this.getPages());\n pageInfo.setStartRow(this.getStartRow());\n pageInfo.setEndRow(this.getEndRow());\n pageInfo.calcByNavigatePages(PageInfo.DEFAULT_NAVIGATE_PAGES);\n return pageInfo;\n }\n\n public PageSerializable toPageSerializable() {\n return new PageSerializable(this);\n }\n\n /**\n * 数据对象转换\n *\n * @param function\n * @param \n * @return\n */\n public PageSerializable toPageSerializable(Function function) {\n List list = new ArrayList(this.size());\n for (E e : this) {\n list.add(function.apply(e));\n }\n PageSerializable pageSerializable = new PageSerializable(list);\n pageSerializable.setTotal(this.getTotal());\n return pageSerializable;\n }\n\n public Page doSelectPage(ISelect select) {\n select.doSelect();\n return (Page) this;\n }\n\n public PageInfo doSelectPageInfo(ISelect select) {\n select.doSelect();\n return (PageInfo) this.toPageInfo();\n }\n\n public PageSerializable doSelectPageSerializable(ISelect select) {\n select.doSelect();\n return (PageSerializable) this.toPageSerializable();\n }\n\n public long doCount(ISelect select) {\n this.pageSizeZero = true;\n this.pageSize = 0;\n select.doSelect();\n return this.total;\n }\n\n public String getCountColumn() {\n return countColumn;\n }\n\n public void setCountColumn(String countColumn) {\n if (!\"0\".equals(countColumn) && !\"*\".equals(countColumn) && SqlSafeUtil.check(countColumn)) {\n throw new PageException(\"count(\" + countColumn + \") has a risk of SQL injection\");\n }\n this.countColumn = countColumn;\n }\n\n public BoundSqlInterceptor getBoundSqlInterceptor() {\n return boundSqlInterceptor;\n }\n\n public void setBoundSqlInterceptor(BoundSqlInterceptor boundSqlInterceptor) {\n this.boundSqlInterceptor = boundSqlInterceptor;\n }\n\n BoundSqlInterceptor.Chain getChain() {\n return chain;\n }\n\n void setChain(BoundSqlInterceptor.Chain chain) {\n this.chain = chain;\n }\n\n @Override\n public String toString() {\n return \"Page{\" +\n \"count=\" + count +\n \", pageNum=\" + pageNum +\n \", pageSize=\" + pageSize +\n \", startRow=\" + startRow +\n \", endRow=\" + endRow +\n \", total=\" + total +\n \", pages=\" + pages +\n \", reasonable=\" + reasonable +\n \", pageSizeZero=\" + pageSizeZero +\n '}' + super.toString();\n }\n\n @Override\n public void close() {\n PageHelper.clearPage();\n }\n\n /**\n * 兼容低版本 Java 7-\n */\n public interface Function {\n\n /**\n * Applies this function to the given argument.\n *\n * @param t the function argument\n * @return the function result\n */\n T apply(E t);\n\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageException.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\n/**\n * 分页插件异常\n */\npublic class PageException extends RuntimeException {\n public PageException() {\n super();\n }\n\n public PageException(String message) {\n super(message);\n }\n\n public PageException(String message, Throwable cause) {\n super(message, cause);\n }\n\n public PageException(Throwable cause) {\n super(cause);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageHelper.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.page.PageAutoDialect;\nimport com.github.pagehelper.page.PageBoundSqlInterceptors;\nimport com.github.pagehelper.page.PageMethod;\nimport com.github.pagehelper.page.PageParams;\nimport com.github.pagehelper.parser.CountSqlParser;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.Arrays;\nimport java.util.List;\nimport java.util.Properties;\nimport java.util.UUID;\nimport java.util.concurrent.Callable;\nimport java.util.concurrent.ForkJoinPool;\nimport java.util.concurrent.ForkJoinWorkerThread;\nimport java.util.concurrent.Future;\n\n/**\n * Mybatis - 通用分页拦截器 Future asyncCountTask(Callable task) {\n //异步执行时需要将ThreadLocal值传递，否则会找不到\n AbstractHelperDialect dialectThreadLocal = autoDialect.getDialectThreadLocal();\n Page localPage = getLocalPage();\n String countId = UUID.randomUUID().toString();\n return asyncCountService.submit(() -> {\n try {\n //设置 ThreadLocal\n autoDialect.setDialectThreadLocal(dialectThreadLocal);\n setLocalPage(localPage);\n return task.call();\n } finally {\n autoDialect.clearDelegate();\n clearPage();\n }\n });\n }\n\n @Override\n public boolean beforeCount(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n return autoDialect.getDelegate().beforeCount(ms, parameterObject, rowBounds);\n }\n\n @Override\n public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {\n return autoDialect.getDelegate().getCountSql(ms, boundSql, parameterObject, rowBounds, countKey);\n }\n\n @Override\n public boolean afterCount(long count, Object parameterObject, RowBounds rowBounds) {\n return autoDialect.getDelegate().afterCount(count, parameterObject, rowBounds);\n }\n\n @Override\n public Object processParameterObject(MappedStatement ms, Object parameterObject, BoundSql boundSql, CacheKey pageKey) {\n return autoDialect.getDelegate().processParameterObject(ms, parameterObject, boundSql, pageKey);\n }\n\n @Override\n public boolean beforePage(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n return autoDialect.getDelegate().beforePage(ms, parameterObject, rowBounds);\n }\n\n @Override\n public String getPageSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey pageKey) {\n return autoDialect.getDelegate().getPageSql(ms, boundSql, parameterObject, rowBounds, pageKey);\n }\n\n public String getPageSql(String sql, Page page, RowBounds rowBounds, CacheKey pageKey) {\n return autoDialect.getDelegate().getPageSql(sql, page, pageKey);\n }\n\n @Override\n public Object afterPage(List pageList, Object parameterObject, RowBounds rowBounds) {\n //这个方法即使不分页也会被执行，所以要判断 null\n AbstractHelperDialect delegate = autoDialect.getDelegate();\n if (delegate != null) {\n return delegate.afterPage(pageList, parameterObject, rowBounds);\n }\n return pageList;\n }\n\n @Override\n public void afterAll() {\n //这个方法即使不分页也会被执行，所以要判断 null\n AbstractHelperDialect delegate = autoDialect.getDelegate();\n if (delegate != null) {\n delegate.afterAll();\n autoDialect.clearDelegate();\n }\n clearPage();\n }\n\n @Override\n public BoundSql doBoundSql(BoundSqlInterceptor.Type type, BoundSql boundSql, CacheKey cacheKey) {\n Page localPage = getLocalPage();\n BoundSqlInterceptor.Chain chain = localPage != null ? localPage.getChain() : null;\n if (chain == null) {\n BoundSqlInterceptor boundSqlInterceptor = localPage != null ? localPage.getBoundSqlInterceptor() : null;\n BoundSqlInterceptor.Chain defaultChain = pageBoundSqlInterceptors != null ? pageBoundSqlInterceptors.getChain() : null;\n if (boundSqlInterceptor != null) {\n chain = new BoundSqlInterceptorChain(defaultChain, Arrays.asList(boundSqlInterceptor));\n } else if (defaultChain != null) {\n chain = defaultChain;\n }\n if (chain == null) {\n chain = DO_NOTHING;\n }\n if (localPage != null) {\n localPage.setChain(chain);\n }\n }\n return chain.doBoundSql(type, boundSql, cacheKey);\n }\n\n @Override\n public void setProperties(Properties properties) {\n setStaticProperties(properties);\n pageParams = new PageParams();\n autoDialect = new PageAutoDialect();\n pageBoundSqlInterceptors = new PageBoundSqlInterceptors();\n pageParams.setProperties(properties);\n autoDialect.setProperties(properties);\n pageBoundSqlInterceptors.setProperties(properties);\n //20180902新增 aggregateFunctions, 允许手动添加聚合函数（影响行数）\n CountSqlParser.addAggregateFunctions(properties.getProperty(\"aggregateFunctions\"));\n // 异步 asyncCountService 并发度设置，这里默认为应用可用的处理器核心数 * 2，更合理的值应该综合考虑数据库服务器的处理能力\n int asyncCountParallelism = Integer.parseInt(properties.getProperty(\"asyncCountParallelism\",\n \"\" + (Runtime.getRuntime().availableProcessors() * 2)));\n asyncCountService = new ForkJoinPool(asyncCountParallelism,\n pool -> {\n final ForkJoinWorkerThread worker = ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool);\n worker.setName(\"pagehelper-async-count-\" + worker.getPoolIndex());\n return worker;\n }, null, true);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageInfo.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport java.util.ArrayList;\nimport java.util.Collection;\nimport java.util.Collections;\nimport java.util.List;\n\n/**\n * 对Page结果进行包装\n *
\n * 新增分页的多项属性，主要参考:http://bbs.csdn.net/topics/360010907\n *\n * @author liuzh/abel533/isea533\n * @version 3.3.0\n * @since 3.2.2\n * 项目地址 : http://git.oschina.net/free/Mybatis_PageHelper\n */\n@SuppressWarnings({\"rawtypes\", \"unchecked\"})\npublic class PageInfo extends PageSerializable {\n public static final int DEFAULT_NAVIGATE_PAGES = 8;\n //private PageInfo EMPTY = new PageInfo(Collections.emptyList(), 0);\n /**\n * 当前页\n */\n private int pageNum;\n /**\n * 每页的数量\n */\n private int pageSize;\n /**\n * 当前页的数量\n */\n private int size;\n\n /**\n * 由于startRow和endRow不常用，这里说个具体的用法\n * 可以在页面中\"显示startRow到endRow 共size条数据\"\n * 当前页面第一个元素在数据库中的行号\n */\n private long startRow;\n /**\n * 当前页面最后一个元素在数据库中的行号\n */\n private long endRow;\n /**\n * 总页数\n */\n private int pages;\n /**\n * 前一页\n */\n private int prePage;\n /**\n * 下一页\n */\n private int nextPage;\n\n /**\n * 是否为第一页\n */\n private boolean isFirstPage = false;\n /**\n * 是否为最后一页\n */\n private boolean isLastPage = false;\n /**\n * 是否有前一页\n */\n private boolean hasPreviousPage = false;\n /**\n * 是否有下一页\n */\n private boolean hasNextPage = false;\n\n /**\n * 导航页码数\n */\n private int navigatePages;\n /**\n * 所有导航页号\n */\n private int[] navigatepageNums;\n /**\n * 导航条上的第一页\n */\n private int navigateFirstPage;\n /**\n * 导航条上的最后一页\n */\n private int navigateLastPage;\n\n public PageInfo() {\n }\n\n /**\n * 包装Page对象\n *\n * @param list\n */\n public PageInfo(List list) {\n this(list, DEFAULT_NAVIGATE_PAGES);\n }\n\n /**\n * 包装Page对象\n *\n * @param list page结果\n * @param navigatePages 页码数量\n */\n public PageInfo(List list, int navigatePages) {\n super(list);\n if (list instanceof Page) {\n Page page = (Page) list;\n this.pageNum = page.getPageNum();\n this.pageSize = page.getPageSize();\n\n this.pages = page.getPages();\n this.size = page.size();\n //由于结果是>startRow的，所以实际的需要+1\n if (this.size == 0) {\n this.startRow = 0;\n this.endRow = 0;\n } else {\n this.startRow = page.getStartRow() + 1;\n //计算实际的endRow（最后一页的时候特殊）\n this.endRow = this.startRow - 1 + this.size;\n }\n } else if (list instanceof Collection) {\n this.pageNum = 1;\n this.pageSize = list.size();\n\n this.pages = this.pageSize > 0 ? 1 : 0;\n this.size = list.size();\n this.startRow = 0;\n this.endRow = list.size() > 0 ? list.size() - 1 : 0;\n }\n if (list instanceof Collection) {\n calcByNavigatePages(navigatePages);\n }\n }\n\n public static PageInfo of(List list) {\n return new PageInfo(list);\n }\n\n\n /**\n * 手动指定总记录数获取分页信息\n *\n * @param total 总记录数\n * @param list page结果\n */\n public static PageInfo of(long total, List list) {\n if (list instanceof Page) {\n Page page = (Page) list;\n page.setTotal(total);\n }\n return new PageInfo(list);\n }\n\n public static PageInfo of(List list, int navigatePages) {\n return new PageInfo(list, navigatePages);\n }\n\n /**\n * 返回一个空的 Pageinfo 对象\n *\n * @return\n */\n public static PageInfo emptyPageInfo() {\n return new PageInfo(Collections.emptyList(), 0);\n }\n\n public void calcByNavigatePages(int navigatePages) {\n setNavigatePages(navigatePages);\n //计算导航页\n calcNavigatepageNums();\n //计算前后页，第一页，最后一页\n calcPage();\n //判断页面边界\n judgePageBoudary();\n }\n\n /**\n * 计算导航页\n */\n private void calcNavigatepageNums() {\n //当总页数小于或等于导航页码数时\n if (pages <= navigatePages) {\n navigatepageNums = new int[pages];\n for (int i = 0; i < pages; i++) {\n navigatepageNums[i] = i + 1;\n }\n } else { //当总页数大于导航页码数时\n navigatepageNums = new int[navigatePages];\n int startNum = pageNum - navigatePages / 2;\n int endNum = pageNum + navigatePages / 2;\n\n if (startNum < 1) {\n startNum = 1;\n //(最前navigatePages页\n for (int i = 0; i < navigatePages; i++) {\n navigatepageNums[i] = startNum++;\n }\n } else if (endNum > pages) {\n endNum = pages;\n //最后navigatePages页\n for (int i = navigatePages - 1; i >= 0; i--) {\n navigatepageNums[i] = endNum--;\n }\n } else {\n //所有中间页\n for (int i = 0; i < navigatePages; i++) {\n navigatepageNums[i] = startNum++;\n }\n }\n }\n }\n\n /**\n * 计算前后页，第一页，最后一页\n */\n private void calcPage() {\n if (navigatepageNums != null && navigatepageNums.length > 0) {\n navigateFirstPage = navigatepageNums[0];\n navigateLastPage = navigatepageNums[navigatepageNums.length - 1];\n if (pageNum > 1) {\n prePage = pageNum - 1;\n }\n if (pageNum < pages) {\n nextPage = pageNum + 1;\n }\n }\n }\n\n /**\n * 判定页面边界\n */\n private void judgePageBoudary() {\n isFirstPage = pageNum == 1;\n isLastPage = pageNum == pages || pages == 0;\n hasPreviousPage = pageNum > 1;\n hasNextPage = pageNum < pages;\n }\n\n /**\n * 数据对象转换\n *\n * @param function 用以转换数据对象的函数\n * @param 目标类型\n * @return 转换了对象类型的包装结果\n */\n public PageInfo convert(Page.Function function) {\n List list = new ArrayList(this.list.size());\n for (T t : this.list) {\n list.add(function.apply(t));\n }\n PageInfo newPageInfo = new PageInfo<>(list);\n newPageInfo.setPageNum(this.pageNum);\n newPageInfo.setPageSize(this.pageSize);\n newPageInfo.setSize(this.size);\n newPageInfo.setStartRow(this.startRow);\n newPageInfo.setEndRow(this.endRow);\n newPageInfo.setTotal(this.total);\n newPageInfo.setPages(this.pages);\n newPageInfo.setPrePage(this.prePage);\n newPageInfo.setNextPage(this.nextPage);\n newPageInfo.setIsFirstPage(this.isFirstPage);\n newPageInfo.setIsLastPage(this.isLastPage);\n newPageInfo.setHasPreviousPage(this.hasPreviousPage);\n newPageInfo.setHasNextPage(this.hasNextPage);\n newPageInfo.setNavigatePages(this.navigatePages);\n newPageInfo.setNavigateFirstPage(this.navigateFirstPage);\n newPageInfo.setNavigateLastPage(this.navigateLastPage);\n newPageInfo.setNavigatepageNums(this.navigatepageNums);\n return newPageInfo;\n }\n\n /**\n * 是否包含内容\n */\n public boolean hasContent() {\n return this.size > 0;\n }\n\n public int getPageNum() {\n return pageNum;\n }\n\n public void setPageNum(int pageNum) {\n this.pageNum = pageNum;\n }\n\n public int getPageSize() {\n return pageSize;\n }\n\n public void setPageSize(int pageSize) {\n this.pageSize = pageSize;\n }\n\n public int getSize() {\n return size;\n }\n\n public void setSize(int size) {\n this.size = size;\n }\n\n public long getStartRow() {\n return startRow;\n }\n\n public void setStartRow(long startRow) {\n this.startRow = startRow;\n }\n\n public long getEndRow() {\n return endRow;\n }\n\n public void setEndRow(long endRow) {\n this.endRow = endRow;\n }\n\n public int getPages() {\n return pages;\n }\n\n public void setPages(int pages) {\n this.pages = pages;\n }\n\n public int getPrePage() {\n return prePage;\n }\n\n public void setPrePage(int prePage) {\n this.prePage = prePage;\n }\n\n public int getNextPage() {\n return nextPage;\n }\n\n public void setNextPage(int nextPage) {\n this.nextPage = nextPage;\n }\n\n public boolean isIsFirstPage() {\n return isFirstPage;\n }\n\n public void setIsFirstPage(boolean isFirstPage) {\n this.isFirstPage = isFirstPage;\n }\n\n public boolean isIsLastPage() {\n return isLastPage;\n }\n\n public void setIsLastPage(boolean isLastPage) {\n this.isLastPage = isLastPage;\n }\n\n public boolean isHasPreviousPage() {\n return hasPreviousPage;\n }\n\n public void setHasPreviousPage(boolean hasPreviousPage) {\n this.hasPreviousPage = hasPreviousPage;\n }\n\n public boolean isHasNextPage() {\n return hasNextPage;\n }\n\n public void setHasNextPage(boolean hasNextPage) {\n this.hasNextPage = hasNextPage;\n }\n\n public int getNavigatePages() {\n return navigatePages;\n }\n\n public void setNavigatePages(int navigatePages) {\n this.navigatePages = navigatePages;\n }\n\n public int[] getNavigatepageNums() {\n return navigatepageNums;\n }\n\n public void setNavigatepageNums(int[] navigatepageNums) {\n this.navigatepageNums = navigatepageNums;\n }\n\n public int getNavigateFirstPage() {\n return navigateFirstPage;\n }\n\n public int getNavigateLastPage() {\n return navigateLastPage;\n }\n\n public void setNavigateFirstPage(int navigateFirstPage) {\n this.navigateFirstPage = navigateFirstPage;\n }\n\n public void setNavigateLastPage(int navigateLastPage) {\n this.navigateLastPage = navigateLastPage;\n }\n\n @Override\n public String toString() {\n final StringBuilder sb = new StringBuilder(\"PageInfo{\");\n sb.append(\"pageNum=\").append(pageNum);\n sb.append(\", pageSize=\").append(pageSize);\n sb.append(\", size=\").append(size);\n sb.append(\", startRow=\").append(startRow);\n sb.append(\", endRow=\").append(endRow);\n sb.append(\", total=\").append(total);\n sb.append(\", pages=\").append(pages);\n sb.append(\", list=\").append(list);\n sb.append(\", prePage=\").append(prePage);\n sb.append(\", nextPage=\").append(nextPage);\n sb.append(\", isFirstPage=\").append(isFirstPage);\n sb.append(\", isLastPage=\").append(isLastPage);\n sb.append(\", hasPreviousPage=\").append(hasPreviousPage);\n sb.append(\", hasNextPage=\").append(hasNextPage);\n sb.append(\", navigatePages=\").append(navigatePages);\n sb.append(\", navigateFirstPage=\").append(navigateFirstPage);\n sb.append(\", navigateLastPage=\").append(navigateLastPage);\n sb.append(\", navigatepageNums=\");\n if (navigatepageNums == null) {\n sb.append(\"null\");\n } else {\n sb.append('[');\n for (int i = 0; i < navigatepageNums.length; ++i) {\n sb.append(i == 0 ? \"\" : \", \").append(navigatepageNums[i]);\n }\n sb.append(']');\n }\n sb.append('}');\n return sb.toString();\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageInterceptor.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport com.github.pagehelper.cache.Cache;\nimport com.github.pagehelper.cache.CacheFactory;\nimport com.github.pagehelper.page.PageMethod;\nimport com.github.pagehelper.util.ClassUtil;\nimport com.github.pagehelper.util.ExecutorUtil;\nimport com.github.pagehelper.util.MSUtils;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.executor.CachingExecutor;\nimport org.apache.ibatis.executor.Executor;\nimport org.apache.ibatis.executor.SimpleExecutor;\nimport org.apache.ibatis.logging.Log;\nimport org.apache.ibatis.logging.LogFactory;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.Environment;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.plugin.*;\nimport org.apache.ibatis.session.Configuration;\nimport org.apache.ibatis.session.ResultHandler;\nimport org.apache.ibatis.session.RowBounds;\nimport org.apache.ibatis.transaction.Transaction;\nimport org.apache.ibatis.transaction.TransactionFactory;\nimport org.apache.ibatis.transaction.managed.ManagedTransactionFactory;\n\nimport java.sql.SQLException;\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\nimport java.util.Properties;\nimport java.util.concurrent.Future;\n\n/**\n * Mybatis - 通用分页拦截器\n * \n * GitHub: https://github.com/pagehelper/Mybatis-PageHelper\n *
\n * Gitee : https://gitee.com/free/Mybatis_PageHelper\n *\n * @author liuzh/abel533/isea533\n * @version 5.0.0\n */\n@SuppressWarnings({\"rawtypes\", \"unchecked\"})\n@Intercepts(\n {\n @Signature(type = Executor.class, method = \"query\", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}),\n @Signature(type = Executor.class, method = \"query\", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}),\n }\n)\npublic class PageInterceptor implements Interceptor {\n private static final Log log = LogFactory.getLog(PageInterceptor.class);\n private static boolean debug = false;\n protected Cache msCountMap = null;\n protected CountMsIdGen countMsIdGen = CountMsIdGen.DEFAULT;\n private volatile Dialect dialect;\n private String countSuffix = \"_COUNT\";\n private String default_dialect_class = \"com.github.pagehelper.PageHelper\";\n\n public PageInterceptor() {\n String bannerEnabled = System.getProperty(\"pagehelper.banner\");\n if (StringUtil.isEmpty(bannerEnabled)) {\n bannerEnabled = System.getenv(\"PAGEHELPER_BANNER\");\n }\n //默认 TRUE\n if (StringUtil.isEmpty(bannerEnabled) || Boolean.parseBoolean(bannerEnabled)) {\n log.debug(\"\\n\\n\" +\n \",------. ,--. ,--. ,--. \\n\" +\n \"| .--. ' ,--,--. ,---. ,---. | '--' | ,---. | | ,---. ,---. ,--.--. \\n\" +\n \"| '--' | ' ,-. | | .-. | | .-. : | .--. | | .-. : | | | .-. | | .-. : | .--' \\n\" +\n \"| | --' \\\\ '-' | ' '-' ' \\\\ --. | | | | \\\\ --. | | | '-' ' \\\\ --. | | \\n\" +\n \"`--' `--`--' .`- / `----' `--' `--' `----' `--' | |-' `----' `--' \\n\" +\n \" `---' `--' is intercepting.\\n\");\n }\n }\n\n public static boolean isDebug() {\n return debug;\n }\n\n /**\n * 输出启用分页方法时的调用堆栈信息\n */\n protected void debugStackTraceLog() {\n if (isDebug()) {\n Page page = PageMethod.getLocalPage();\n log.debug(page.getStackTrace());\n }\n }\n\n @Override\n public Object intercept(Invocation invocation) throws Throwable {\n try {\n Object[] args = invocation.getArgs();\n MappedStatement ms = (MappedStatement) args[0];\n Object parameter = args[1];\n RowBounds rowBounds = (RowBounds) args[2];\n ResultHandler resultHandler = (ResultHandler) args[3];\n Executor executor = (Executor) invocation.getTarget();\n CacheKey cacheKey;\n BoundSql boundSql;\n //由于逻辑关系，只会进入一次\n if (args.length == 4) {\n //4 个参数时\n boundSql = ms.getBoundSql(parameter);\n cacheKey = executor.createCacheKey(ms, parameter, rowBounds, boundSql);\n } else {\n //6 个参数时\n cacheKey = (CacheKey) args[4];\n boundSql = (BoundSql) args[5];\n }\n checkDialectExists();\n //对 boundSql 的拦截处理\n if (dialect instanceof BoundSqlInterceptor.Chain) {\n boundSql = ((BoundSqlInterceptor.Chain) dialect).doBoundSql(BoundSqlInterceptor.Type.ORIGINAL, boundSql, cacheKey);\n }\n List resultList;\n //调用方法判断是否需要进行分页，如果不需要，直接返回结果\n if (!dialect.skip(ms, parameter, rowBounds)) {\n //开启debug时，输出触发当前分页执行时的PageHelper调用堆栈\n // 如果和当前调用堆栈不一致，说明在启用分页后没有消费，当前线程再次执行时消费，调用堆栈显示的方法使用不安全\n debugStackTraceLog();\n Future countFuture = null;\n //判断是否需要进行 count 查询\n if (dialect.beforeCount(ms, parameter, rowBounds)) {\n if (dialect.isAsyncCount()) {\n countFuture = asyncCount(ms, boundSql, parameter, rowBounds);\n } else {\n //查询总数\n Long count = count(executor, ms, parameter, rowBounds, null, boundSql);\n //处理查询总数，返回 true 时继续分页查询，false 时直接返回\n if (!dialect.afterCount(count, parameter, rowBounds)) {\n //当查询总数为 0 时，直接返回空的结果\n return dialect.afterPage(new ArrayList(), parameter, rowBounds);\n }\n }\n }\n resultList = ExecutorUtil.pageQuery(dialect, executor,\n ms, parameter, rowBounds, resultHandler, boundSql, cacheKey);\n if (countFuture != null) {\n Long count = countFuture.get();\n dialect.afterCount(count, parameter, rowBounds);\n }\n } else {\n //rowBounds用参数值，不使用分页插件处理时，仍然支持默认的内存分页\n resultList = executor.query(ms, parameter, rowBounds, resultHandler, cacheKey, boundSql);\n }\n return dialect.afterPage(resultList, parameter, rowBounds);\n } finally {\n if (dialect != null) {\n dialect.afterAll();\n }\n }\n }\n\n /**\n * 异步查询总数\n */\n private Future asyncCount(MappedStatement ms, BoundSql boundSql, Object parameter, RowBounds rowBounds) {\n Configuration configuration = ms.getConfiguration();\n //异步不能复用 BoundSql，因为分页使用时会添加分页参数，这里需要复制一个新的\n BoundSql countBoundSql = new BoundSql(configuration, boundSql.getSql(), new ArrayList<>(boundSql.getParameterMappings()), parameter);\n Map additionalParameter = ExecutorUtil.getAdditionalParameter(boundSql);\n if (additionalParameter != null){\n for (String key : additionalParameter.keySet()) {\n countBoundSql.setAdditionalParameter(key, additionalParameter.get(key));\n }\n }\n //异步想要起作用需要新的数据库连接，需要独立的事务，创建新的Executor，因此异步查询只适合在独立查询中使用，如果混合增删改操作，不能开启异步\n Environment environment = configuration.getEnvironment();\n TransactionFactory transactionFactory = null;\n if (environment == null || environment.getTransactionFactory() == null) {\n transactionFactory = new ManagedTransactionFactory();\n } else {\n transactionFactory = environment.getTransactionFactory();\n }\n //创建新的事务\n Transaction tx = transactionFactory.newTransaction(environment.getDataSource(), null, false);\n //使用新的 Executor 执行 count 查询，这里没有加载拦截器，避免递归死循环\n Executor countExecutor = new CachingExecutor(new SimpleExecutor(configuration, tx));\n\n return dialect.asyncCountTask(() -> {\n try {\n return count(countExecutor, ms, parameter, rowBounds, null, countBoundSql);\n } finally {\n tx.close();\n }\n });\n }\n\n /**\n * Spring bean 方式配置时，如果没有配置属性就不会执行下面的 setProperties 方法，就不会初始化\n * \n * 因此这里会出现 null 的情况 fixed #26\n */\n private void checkDialectExists() {\n if (dialect == null) {\n synchronized (default_dialect_class) {\n if (dialect == null) {\n setProperties(new Properties());\n }\n }\n }\n }\n\n private Long count(Executor executor, MappedStatement ms, Object parameter,\n RowBounds rowBounds, ResultHandler resultHandler,\n BoundSql boundSql) throws SQLException {\n String countMsId = countMsIdGen.genCountMsId(ms, parameter, boundSql, countSuffix);\n Long count;\n //先判断是否存在手写的 count 查询\n MappedStatement countMs = ExecutorUtil.getExistedMappedStatement(ms.getConfiguration(), countMsId);\n if (countMs != null) {\n count = ExecutorUtil.executeManualCount(executor, countMs, parameter, boundSql, resultHandler);\n } else {\n if (msCountMap != null) {\n countMs = msCountMap.get(countMsId);\n }\n //自动创建\n if (countMs == null) {\n //根据当前的 ms 创建一个返回值为 Long 类型的 ms\n countMs = MSUtils.newCountMappedStatement(ms, countMsId);\n if (msCountMap != null) {\n msCountMap.put(countMsId, countMs);\n }\n }\n count = ExecutorUtil.executeAutoCount(this.dialect, executor, countMs, parameter, boundSql, rowBounds, resultHandler);\n }\n return count;\n }\n\n @Override\n public Object plugin(Object target) {\n return Plugin.wrap(target, this);\n }\n\n @Override\n public void setProperties(Properties properties) {\n //缓存 count ms\n msCountMap = CacheFactory.createCache(properties.getProperty(\"msCountCache\"), \"ms\", properties);\n String dialectClass = properties.getProperty(\"dialect\");\n if (StringUtil.isEmpty(dialectClass)) {\n dialectClass = default_dialect_class;\n }\n Dialect tempDialect = ClassUtil.newInstance(dialectClass, properties);\n tempDialect.setProperties(properties);\n\n String countSuffix = properties.getProperty(\"countSuffix\");\n if (StringUtil.isNotEmpty(countSuffix)) {\n this.countSuffix = countSuffix;\n }\n\n // debug模式，用于排查不安全分页调用\n debug = Boolean.parseBoolean(properties.getProperty(\"debug\"));\n\n // 通过 countMsId 配置自定义类\n String countMsIdGenClass = properties.getProperty(\"countMsIdGen\");\n if (StringUtil.isNotEmpty(countMsIdGenClass)) {\n countMsIdGen = ClassUtil.newInstance(countMsIdGenClass, properties);\n }\n // 初始化完成后再设置值，保证 dialect 完成初始化\n dialect = tempDialect;\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageParam.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\n/**\n * 抽象类，自己的查询类可以继承该类，可以更直接的控制分页参数\n */\npublic class PageParam implements IPage {\n private Integer pageNum;\n private Integer pageSize;\n private String orderBy;\n\n public PageParam() {\n }\n\n public PageParam(Integer pageNum, Integer pageSize) {\n this.pageNum = pageNum;\n this.pageSize = pageSize;\n }\n\n public PageParam(Integer pageNum, Integer pageSize, String orderBy) {\n this.pageNum = pageNum;\n this.pageSize = pageSize;\n this.orderBy = orderBy;\n }\n\n public void setPageNum(Integer pageNum) {\n this.pageNum = pageNum;\n }\n\n public void setPageSize(Integer pageSize) {\n this.pageSize = pageSize;\n }\n\n public void setOrderBy(String orderBy) {\n this.orderBy = orderBy;\n }\n\n @Override\n public Integer getPageNum() {\n return pageNum;\n }\n\n @Override\n public Integer getPageSize() {\n return pageSize;\n }\n\n @Override\n public String getOrderBy() {\n return orderBy;\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageProperties.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport java.util.Properties;\n\n/**\n * 分页配置，实现该接口的类在初始化后会调用 {@link #setProperties(Properties)} 方法\n *\n * @author liuzh\n */\npublic interface PageProperties {\n\n /**\n * 设置参数\n *\n * @param properties 插件属性\n */\n void setProperties(Properties properties);\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageRowBounds.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * @author liuzenghui\n */\npublic class PageRowBounds extends RowBounds {\n private Long total;\n private Boolean count;\n\n public PageRowBounds(int offset, int limit) {\n super(offset, limit);\n }\n\n public Long getTotal() {\n return total;\n }\n\n public void setTotal(Long total) {\n this.total = total;\n }\n\n public Boolean getCount() {\n return count;\n }\n\n public void setCount(Boolean count) {\n this.count = count;\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/PageSerializable.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport java.io.Serializable;\nimport java.util.List;\n\n/**\n * @author liuzh\n */\npublic class PageSerializable implements Serializable {\n private static final long serialVersionUID = 1L;\n //总记录数\n protected long total;\n //结果集\n protected List list;\n\n public PageSerializable() {\n }\n\n @SuppressWarnings(\"unchecked\")\n public PageSerializable(List list) {\n this.list = (List) list;\n if(list instanceof Page){\n this.total = ((Page)list).getTotal();\n } else {\n this.total = list.size();\n }\n }\n\n public static PageSerializable of(List list){\n return new PageSerializable(list);\n }\n\n public long getTotal() {\n return total;\n }\n\n public void setTotal(long total) {\n this.total = total;\n }\n\n public List getList() {\n return list;\n }\n\n public void setList(List list) {\n this.list = list;\n }\n\n @Override\n public String toString() {\n return \"PageSerializable{\" +\n \"total=\" + total +\n \", list=\" + list +\n '}';\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/QueryInterceptor.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper;\n\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.executor.Executor;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.plugin.*;\nimport org.apache.ibatis.session.ResultHandler;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.Properties;\n\n/**\n * QueryInterceptor 规范\n *\n * 详细说明见文档：https://github.com/pagehelper/Mybatis-PageHelper/blob/master/wikis/zh/Interceptor.md\n *\n * @author liuzh/abel533/isea533\n * @version 1.0.0\n */\n@Intercepts(\n {\n @Signature(type = Executor.class, method = \"query\", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}),\n @Signature(type = Executor.class, method = \"query\", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class, CacheKey.class, BoundSql.class}),\n }\n)\npublic class QueryInterceptor implements Interceptor {\n\n @Override\n public Object intercept(Invocation invocation) throws Throwable {\n Object[] args = invocation.getArgs();\n MappedStatement ms = (MappedStatement) args[0];\n Object parameter = args[1];\n RowBounds rowBounds = (RowBounds) args[2];\n ResultHandler resultHandler = (ResultHandler) args[3];\n Executor executor = (Executor) invocation.getTarget();\n CacheKey cacheKey;\n BoundSql boundSql;\n //由于逻辑关系，只会进入一次\n if(args.length == 4){\n //4 个参数时\n boundSql = ms.getBoundSql(parameter);\n cacheKey = executor.createCacheKey(ms, parameter, rowBounds, boundSql);\n } else {\n //6 个参数时\n cacheKey = (CacheKey) args[4];\n boundSql = (BoundSql) args[5];\n }\n //TODO 自己要进行的各种处理\n //注：下面的方法可以根据自己的逻辑调用多次，在分页插件中，count 和 page 各调用了一次\n return executor.query(ms, parameter, rowBounds, resultHandler, cacheKey, boundSql);\n }\n\n @Override\n public Object plugin(Object target) {\n return Plugin.wrap(target, this);\n }\n\n @Override\n public void setProperties(Properties properties) {\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/cache/Cache.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.cache;\n\n/**\n * Simple cache interface\n *\n * @author liuzh\n */\npublic interface Cache {\n\n V get(K key);\n\n void put(K key, V value);\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/cache/CacheFactory.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.cache;\n\nimport com.github.pagehelper.PageException;\nimport com.github.pagehelper.PageProperties;\nimport com.github.pagehelper.util.StringUtil;\n\nimport java.lang.reflect.Constructor;\nimport java.util.Properties;\n\n/**\n * CacheFactory\n *\n * @author liuzh\n */\npublic abstract class CacheFactory {\n\n /**\n * 创建 SQL 缓存\n *\n * @param sqlCacheClass\n * @return\n */\n public static Cache createCache(String sqlCacheClass, String prefix, Properties properties) {\n if (StringUtil.isEmpty(sqlCacheClass)) {\n try {\n Class.forName(\"com.google.common.cache.Cache\");\n return new GuavaCache(properties, prefix);\n } catch (Throwable t) {\n return new SimpleCache(properties, prefix);\n }\n } else {\n try {\n Class clazz = (Class) Class.forName(sqlCacheClass);\n try {\n Constructor constructor = clazz.getConstructor(Properties.class, String.class);\n return constructor.newInstance(properties, prefix);\n } catch (Exception e) {\n Cache cache = clazz.newInstance();\n if (cache instanceof PageProperties) {\n ((PageProperties) cache).setProperties(properties);\n }\n return cache;\n }\n } catch (Throwable t) {\n throw new PageException(\"Created Sql Cache [\" + sqlCacheClass + \"] Error\", t);\n }\n }\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/cache/GuavaCache.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.cache;\n\nimport com.github.pagehelper.util.StringUtil;\nimport com.google.common.cache.CacheBuilder;\n\nimport java.util.Properties;\nimport java.util.concurrent.TimeUnit;\n\n/**\n * Simple Guava Cache\n *\n * @author liuzh\n */\npublic class GuavaCache implements Cache {\n\n private final com.google.common.cache.Cache CACHE;\n\n public GuavaCache(Properties properties, String prefix) {\n CacheBuilder cacheBuilder = CacheBuilder.newBuilder();\n String maximumSize = properties.getProperty(prefix + \".maximumSize\");\n if (StringUtil.isNotEmpty(maximumSize)) {\n cacheBuilder.maximumSize(Long.parseLong(maximumSize));\n } else {\n cacheBuilder.maximumSize(1000);\n }\n String expireAfterAccess = properties.getProperty(prefix + \".expireAfterAccess\");\n if (StringUtil.isNotEmpty(expireAfterAccess)) {\n cacheBuilder.expireAfterAccess(Long.parseLong(expireAfterAccess), TimeUnit.MILLISECONDS);\n }\n String expireAfterWrite = properties.getProperty(prefix + \".expireAfterWrite\");\n if (StringUtil.isNotEmpty(expireAfterWrite)) {\n cacheBuilder.expireAfterWrite(Long.parseLong(expireAfterWrite), TimeUnit.MILLISECONDS);\n }\n String initialCapacity = properties.getProperty(prefix + \".initialCapacity\");\n if (StringUtil.isNotEmpty(initialCapacity)) {\n cacheBuilder.initialCapacity(Integer.parseInt(initialCapacity));\n }\n CACHE = cacheBuilder.build();\n }\n\n @Override\n public V get(K key) {\n return CACHE.getIfPresent(key);\n }\n\n @Override\n public void put(K key, V value) {\n CACHE.put(key, value);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/cache/SimpleCache.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.cache;\n\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.cache.decorators.FifoCache;\nimport org.apache.ibatis.cache.impl.PerpetualCache;\nimport org.apache.ibatis.mapping.CacheBuilder;\n\nimport java.util.Properties;\n\n/**\n * Simple MyBatis Cache\n *\n * @author liuzh\n */\npublic class SimpleCache implements Cache {\n\n private final org.apache.ibatis.cache.Cache CACHE;\n\n public SimpleCache(Properties properties, String prefix) {\n CacheBuilder cacheBuilder = new CacheBuilder(\"SQL_CACHE\");\n String typeClass = properties.getProperty(prefix + \".typeClass\");\n if (StringUtil.isNotEmpty(typeClass)) {\n try {\n cacheBuilder.implementation((Class) Class.forName(typeClass));\n } catch (ClassNotFoundException e) {\n cacheBuilder.implementation(PerpetualCache.class);\n }\n } else {\n cacheBuilder.implementation(PerpetualCache.class);\n }\n String evictionClass = properties.getProperty(prefix + \".evictionClass\");\n if (StringUtil.isNotEmpty(evictionClass)) {\n try {\n cacheBuilder.addDecorator((Class) Class.forName(evictionClass));\n } catch (ClassNotFoundException e) {\n cacheBuilder.addDecorator(FifoCache.class);\n }\n } else {\n cacheBuilder.addDecorator(FifoCache.class);\n }\n String flushInterval = properties.getProperty(prefix + \".flushInterval\");\n if (StringUtil.isNotEmpty(flushInterval)) {\n cacheBuilder.clearInterval(Long.parseLong(flushInterval));\n }\n String size = properties.getProperty(prefix + \".size\");\n if (StringUtil.isNotEmpty(size)) {\n cacheBuilder.size(Integer.parseInt(size));\n }\n cacheBuilder.properties(properties);\n CACHE = cacheBuilder.build();\n }\n\n @Override\n public V get(K key) {\n Object value = CACHE.getObject(key);\n if (value != null) {\n return (V) value;\n }\n return null;\n }\n\n @Override\n public void put(K key, V value) {\n CACHE.putObject(key, value);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/AbstractDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect;\n\nimport com.github.pagehelper.Dialect;\nimport com.github.pagehelper.parser.CountSqlParser;\nimport com.github.pagehelper.parser.OrderBySqlParser;\nimport com.github.pagehelper.parser.defaults.DefaultCountSqlParser;\nimport com.github.pagehelper.parser.defaults.DefaultOrderBySqlParser;\nimport com.github.pagehelper.util.ClassUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.Properties;\n\n/**\n * 基于 CountSqlParser 的智能 Count 查询\n *\n * @author liuzh\n */\npublic abstract class AbstractDialect implements Dialect {\n //处理SQL\n protected CountSqlParser countSqlParser;\n protected OrderBySqlParser orderBySqlParser;\n\n @Override\n public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {\n return countSqlParser.getSmartCountSql(boundSql.getSql());\n }\n\n @Override\n public void setProperties(Properties properties) {\n this.countSqlParser = ClassUtil.newInstance(properties.getProperty(\"countSqlParser\"), CountSqlParser.class, properties, DefaultCountSqlParser::new);\n this.orderBySqlParser = ClassUtil.newInstance(properties.getProperty(\"orderBySqlParser\"), OrderBySqlParser.class, properties, DefaultOrderBySqlParser::new);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/AbstractHelperDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect;\n\nimport com.github.pagehelper.Constant;\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.PageHelper;\nimport com.github.pagehelper.PageRowBounds;\nimport com.github.pagehelper.util.ExecutorUtil;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.builder.annotation.ProviderSqlSource;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.*;\n\n/**\n * 针对 PageHelper 的实现\n *\n * @author liuzh\n * @since 2016-12-04 14:32\n */\npublic abstract class AbstractHelperDialect extends AbstractDialect implements Constant {\n\n /**\n * 获取分页参数\n *\n * @param \n * @return\n */\n public Page getLocalPage() {\n return PageHelper.getLocalPage();\n }\n\n @Override\n public final boolean skip(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n //该方法不会被调用\n return true;\n }\n\n @Override\n public boolean beforeCount(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n Page page = getLocalPage();\n return !page.isOrderByOnly() && page.isCount();\n }\n\n @Override\n public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {\n Page page = getLocalPage();\n String countColumn = page.getCountColumn();\n if (StringUtil.isNotEmpty(countColumn)) {\n return countSqlParser.getSmartCountSql(boundSql.getSql(), countColumn);\n }\n return countSqlParser.getSmartCountSql(boundSql.getSql());\n }\n\n @Override\n public boolean afterCount(long count, Object parameterObject, RowBounds rowBounds) {\n Page page = getLocalPage();\n page.setTotal(count);\n if (rowBounds instanceof PageRowBounds) {\n ((PageRowBounds) rowBounds).setTotal(count);\n }\n //pageSize < 0 的时候，不执行分页查询\n //pageSize = 0 的时候，还需要执行后续查询，但是不会分页\n if (page.getPageSizeZero() != null) {\n //PageSizeZero=false&&pageSize<=0\n if (!page.getPageSizeZero() && page.getPageSize() <= 0) {\n return false;\n }\n //PageSizeZero=true&&pageSize<0 返回 false，只有>=0才需要执行后续的\n else if (page.getPageSizeZero() && page.getPageSize() < 0) {\n return false;\n }\n }\n //页码>0 && 开始行数<总行数即可，不需要考虑 pageSize（上面的 if 已经处理不符合要求的值了）\n return page.getPageNum() > 0 && count > page.getStartRow();\n }\n\n @Override\n public Object processParameterObject(MappedStatement ms, Object parameterObject, BoundSql boundSql, CacheKey pageKey) {\n //处理参数\n Page page = getLocalPage();\n //如果只是 order by 就不必处理参数\n if (page.isOrderByOnly()) {\n return parameterObject;\n }\n Map paramMap = null;\n if (parameterObject == null) {\n paramMap = new HashMap();\n } else if (parameterObject instanceof Map) {\n //解决不可变Map的情况\n paramMap = new HashMap();\n paramMap.putAll((Map) parameterObject);\n } else {\n paramMap = new HashMap();\n // sqlSource为ProviderSqlSource时，处理只有1个参数的情况\n if (ms.getSqlSource() instanceof ProviderSqlSource) {\n String[] providerMethodArgumentNames = ExecutorUtil.getProviderMethodArgumentNames((ProviderSqlSource) ms.getSqlSource());\n if (providerMethodArgumentNames != null && providerMethodArgumentNames.length == 1) {\n paramMap.put(providerMethodArgumentNames[0], parameterObject);\n paramMap.put(\"param1\", parameterObject);\n }\n }\n //动态sql时的判断条件不会出现在ParameterMapping中，但是必须有，所以这里需要收集所有的getter属性\n //TypeHandlerRegistry可以直接处理的会作为一个直接使用的对象进行处理\n boolean hasTypeHandler = ms.getConfiguration().getTypeHandlerRegistry().hasTypeHandler(parameterObject.getClass());\n MetaObject metaObject = MetaObjectUtil.forObject(parameterObject);\n //需要针对注解形式的MyProviderSqlSource保存原值\n if (!hasTypeHandler) {\n for (String name : metaObject.getGetterNames()) {\n paramMap.put(name, metaObject.getValue(name));\n }\n }\n //下面这段方法，主要解决一个常见类型的参数时的问题\n if (boundSql.getParameterMappings() != null && boundSql.getParameterMappings().size() > 0) {\n for (ParameterMapping parameterMapping : boundSql.getParameterMappings()) {\n String name = parameterMapping.getProperty();\n if (!name.equals(PAGEPARAMETER_FIRST)\n && !name.equals(PAGEPARAMETER_SECOND)\n && paramMap.get(name) == null) {\n if (hasTypeHandler\n || parameterMapping.getJavaType().equals(parameterObject.getClass())) {\n paramMap.put(name, parameterObject);\n break;\n }\n }\n }\n }\n }\n return processPageParameter(ms, paramMap, page, boundSql, pageKey);\n }\n\n /**\n * 处理分页参数\n *\n * @param ms\n * @param paramMap\n * @param page\n * @param boundSql\n * @param pageKey\n * @return\n */\n public abstract Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey);\n\n @Override\n public boolean beforePage(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n Page page = getLocalPage();\n if (page.isOrderByOnly() || page.getPageSize() > 0) {\n return true;\n }\n return false;\n }\n\n @Override\n public String getPageSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey pageKey) {\n String sql = boundSql.getSql();\n Page page = getLocalPage();\n //支持 order by\n String orderBy = page.getOrderBy();\n if (StringUtil.isNotEmpty(orderBy)) {\n pageKey.update(orderBy);\n sql = orderBySqlParser.converToOrderBySql(sql, orderBy);\n }\n if (page.isOrderByOnly()) {\n return sql;\n }\n return getPageSql(sql, page, pageKey);\n }\n\n /**\n * 单独处理分页部分\n *\n * @param sql\n * @param page\n * @param pageKey\n * @return\n */\n public abstract String getPageSql(String sql, Page page, CacheKey pageKey);\n\n @Override\n public Object afterPage(List pageList, Object parameterObject, RowBounds rowBounds) {\n Page page = getLocalPage();\n if (page == null) {\n return pageList;\n }\n page.addAll(pageList);\n //调整判断顺序，如果查全部，total就是size，如果只排序，也是全部，其他情况下如果不查询count就是-1\n if ((page.getPageSizeZero() != null && page.getPageSizeZero()) && page.getPageSize() == 0) {\n page.setTotal(pageList.size());\n } else if (page.isOrderByOnly()) {\n page.setTotal(pageList.size());\n } else if (!page.isCount()) {\n page.setTotal(-1);\n }\n return page;\n }\n\n @Override\n public void afterAll() {\n\n }\n\n @Override\n public void setProperties(Properties properties) {\n super.setProperties(properties);\n }\n\n /**\n * @param boundSql\n * @param ms\n * @deprecated use {@code handleParameter(BoundSql boundSql, MappedStatement ms, Class firstClass, Class secondClass)}\n */\n @Deprecated\n protected void handleParameter(BoundSql boundSql, MappedStatement ms) {\n if (boundSql.getParameterMappings() != null) {\n handleParameter(boundSql, ms, long.class, long.class);\n }\n }\n\n protected void handleParameter(BoundSql boundSql, MappedStatement ms, Class firstClass, Class secondClass) {\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, firstClass).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, secondClass).build());\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/AbstractRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect;\n\nimport com.github.pagehelper.PageRowBounds;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.List;\nimport java.util.Properties;\n\n/**\n * 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic abstract class AbstractRowBoundsDialect extends AbstractDialect {\n\n @Override\n public boolean skip(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n return rowBounds == RowBounds.DEFAULT;\n }\n\n @Override\n public boolean beforeCount(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n if(rowBounds instanceof PageRowBounds){\n PageRowBounds pageRowBounds = (PageRowBounds)rowBounds;\n return pageRowBounds.getCount() == null || pageRowBounds.getCount();\n }\n return false;\n }\n\n @Override\n public boolean afterCount(long count, Object parameterObject, RowBounds rowBounds) {\n //由于 beforeCount 校验，这里一定是 PageRowBounds\n ((PageRowBounds) rowBounds).setTotal(count);\n return count > 0;\n }\n\n @Override\n public Object processParameterObject(MappedStatement ms, Object parameterObject, BoundSql boundSql, CacheKey pageKey) {\n return parameterObject;\n }\n\n @Override\n public boolean beforePage(MappedStatement ms, Object parameterObject, RowBounds rowBounds) {\n return true;\n }\n\n @Override\n public String getPageSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey pageKey) {\n String sql = boundSql.getSql();\n return getPageSql(sql, rowBounds, pageKey);\n }\n\n public abstract String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey);\n\n @Override\n public Object afterPage(List pageList, Object parameterObject, RowBounds rowBounds) {\n return pageList;\n }\n\n @Override\n public void afterAll() {\n\n }\n\n @Override\n public void setProperties(Properties properties) {\n super.setProperties(properties);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/ReplaceSql.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect;\n\n/**\n * 替换和还原 SQL\n *\n * @author liuzh\n * @since 2017/8/23.\n */\npublic interface ReplaceSql {\n\n /**\n * 临时替换后用于 jsqlparser 解析\n *\n * @param sql\n * @return\n */\n String replace(String sql);\n\n /**\n * 还原经过解析后的 sql\n *\n * @param sql\n * @return\n */\n String restore(String sql);\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/C3P0AutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.mchange.v2.c3p0.ComboPooledDataSource;\n\n/**\n * c3p0\n *\n * @author liuzh\n */\npublic class C3P0AutoDialect extends DataSourceAutoDialect {\n\n @Override\n public String getJdbcUrl(ComboPooledDataSource comboPooledDataSource) {\n return comboPooledDataSource.getJdbcUrl();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/DataSourceAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.github.pagehelper.AutoDialect;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.page.PageAutoDialect;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport javax.sql.DataSource;\nimport java.lang.reflect.ParameterizedType;\nimport java.lang.reflect.Type;\nimport java.util.Properties;\n\n/**\n * 使用 Hikari 连接池时，简单获取 jdbcUrl\n *\n * @author liuzh\n */\npublic abstract class DataSourceAutoDialect implements AutoDialect {\n protected Class dataSourceClass;\n\n public DataSourceAutoDialect() {\n Type genericSuperclass = getClass().getGenericSuperclass();\n dataSourceClass = (Class) ((ParameterizedType) genericSuperclass).getActualTypeArguments()[0];\n }\n\n public abstract String getJdbcUrl(Ds ds);\n\n @Override\n public String extractDialectKey(MappedStatement ms, DataSource dataSource, Properties properties) {\n if (dataSourceClass.isInstance(dataSource)) {\n return getJdbcUrl((Ds) dataSource);\n }\n return null;\n }\n\n @Override\n public AbstractHelperDialect extractDialect(String dialectKey, MappedStatement ms, DataSource dataSource, Properties properties) {\n String dialect = PageAutoDialect.fromJdbcUrl(dialectKey);\n return PageAutoDialect.instanceDialect(dialect, properties);\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/DataSourceNegotiationAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.github.pagehelper.AutoDialect;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport javax.sql.DataSource;\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\nimport java.util.Properties;\nimport java.util.concurrent.ConcurrentHashMap;\n\n/**\n * 遍历所有实现，找到匹配的实现\n *\n * @author liuzh\n */\npublic class DataSourceNegotiationAutoDialect implements AutoDialect {\n private static final List AUTO_DIALECTS = new ArrayList();\n private Map urlMap = new ConcurrentHashMap();\n\n static {\n //创建时，初始化所有实现，当依赖的连接池不存在时，这里不会添加成功，所以理论上这里包含的内容不会多，执行时不会迭代多次\n try {\n AUTO_DIALECTS.add(new HikariAutoDialect());\n } catch (Exception ignore) {\n }\n try {\n AUTO_DIALECTS.add(new DruidAutoDialect());\n } catch (Exception ignore) {\n }\n try {\n AUTO_DIALECTS.add(new TomcatAutoDialect());\n } catch (Exception ignore) {\n }\n try {\n AUTO_DIALECTS.add(new C3P0AutoDialect());\n } catch (Exception ignore) {\n }\n try {\n AUTO_DIALECTS.add(new DbcpAutoDialect());\n } catch (Exception ignore) {\n }\n }\n\n /**\n * 允许手工添加额外的实现，实际上没有必要\n *\n * @param autoDialect\n */\n public static void registerAutoDialect(DataSourceAutoDialect autoDialect) {\n AUTO_DIALECTS.add(autoDialect);\n }\n\n @Override\n public String extractDialectKey(MappedStatement ms, DataSource dataSource, Properties properties) {\n for (DataSourceAutoDialect autoDialect : AUTO_DIALECTS) {\n String dialectKey = autoDialect.extractDialectKey(ms, dataSource, properties);\n if (dialectKey != null) {\n if (!urlMap.containsKey(dialectKey)) {\n urlMap.put(dialectKey, autoDialect);\n }\n return dialectKey;\n }\n }\n //都不匹配的时候使用默认方式\n return DefaultAutoDialect.DEFAULT.extractDialectKey(ms, dataSource, properties);\n }\n\n @Override\n public AbstractHelperDialect extractDialect(String dialectKey, MappedStatement ms, DataSource dataSource, Properties properties) {\n if (dialectKey != null && urlMap.containsKey(dialectKey)) {\n return urlMap.get(dialectKey).extractDialect(dialectKey, ms, dataSource, properties);\n }\n //都不匹配的时候使用默认方式\n return DefaultAutoDialect.DEFAULT.extractDialect(dialectKey, ms, dataSource, properties);\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/DbcpAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport org.apache.commons.dbcp2.BasicDataSource;\n\n/**\n * commons-dbcp\n *\n * @author liuzh\n */\npublic class DbcpAutoDialect extends DataSourceAutoDialect {\n\n @Override\n public String getJdbcUrl(BasicDataSource basicDataSource) {\n return basicDataSource.getUrl();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/DefaultAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.github.pagehelper.AutoDialect;\nimport com.github.pagehelper.PageException;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.page.PageAutoDialect;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport javax.sql.DataSource;\nimport java.sql.Connection;\nimport java.sql.SQLException;\nimport java.util.Properties;\n\n/**\n * 最初的默认实现，获取连接再获取 url，这种方式通用性强，但是性能低，处理不好关闭连接时容易出问题\n *\n * @author liuzh\n */\npublic class DefaultAutoDialect implements AutoDialect {\n\n public static final AutoDialect DEFAULT = new DefaultAutoDialect();\n\n @Override\n public String extractDialectKey(MappedStatement ms, DataSource dataSource, Properties properties) {\n Connection conn = null;\n try {\n conn = dataSource.getConnection();\n return conn.getMetaData().getURL();\n } catch (SQLException e) {\n throw new PageException(e);\n } finally {\n if (conn != null) {\n try {\n String closeConn = properties.getProperty(\"closeConn\");\n if (StringUtil.isEmpty(closeConn) || Boolean.parseBoolean(closeConn)) {\n conn.close();\n }\n } catch (SQLException e) {\n //ignore\n }\n }\n }\n }\n\n @Override\n public AbstractHelperDialect extractDialect(String dialectKey, MappedStatement ms, DataSource dataSource, Properties properties) {\n String dialectStr = PageAutoDialect.fromJdbcUrl(dialectKey);\n if (dialectStr == null) {\n throw new PageException(\"The database type cannot be obtained automatically, please specify it via the helperDialect parameter!\");\n }\n return PageAutoDialect.instanceDialect(dialectStr, properties);\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/DruidAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.alibaba.druid.pool.DruidDataSource;\n\n/**\n * Druid\n *\n * @author liuzh\n */\npublic class DruidAutoDialect extends DataSourceAutoDialect {\n\n @Override\n public String getJdbcUrl(DruidDataSource druidDataSource) {\n return druidDataSource.getUrl();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/HikariAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport com.zaxxer.hikari.HikariDataSource;\n\n/**\n * Hikari\n *\n * @author liuzh\n */\npublic class HikariAutoDialect extends DataSourceAutoDialect {\n\n @Override\n public String getJdbcUrl(HikariDataSource hikariDataSource) {\n return hikariDataSource.getJdbcUrl();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/auto/TomcatAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.auto;\n\nimport org.apache.tomcat.jdbc.pool.DataSource;\n\n/**\n * tomcat-jdbc\n *\n * @author liuzh\n */\npublic class TomcatAutoDialect extends DataSourceAutoDialect {\n\n @Override\n public String getJdbcUrl(DataSource dataSource) {\n return dataSource.getUrl();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/AS400Dialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * @author bluezealot\n */\n@SuppressWarnings(\"rawtypes\")\npublic class AS400Dialect extends AbstractHelperDialect {\n\n\t@Override\n\tpublic Object processPageParameter(MappedStatement ms, Map paramMap,\n\t\t\tPage page, BoundSql boundSql, CacheKey pageKey) {\n\t\tparamMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n\t\tparamMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n\t\tpageKey.update(page.getStartRow());\n\t\tpageKey.update(page.getPageSize());\n\t\thandleParameter(boundSql, ms, long.class, int.class);\n\t\treturn paramMap;\n\t}\n\n\t@Override\n\tpublic String getPageSql(String sql, Page page, CacheKey pageKey) {\n\t\treturn sql + \" OFFSET ? ROWS FETCH FIRST ? ROWS ONLY\";\n\t}\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/CirroDataDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * @author sxh\n */\npublic class CirroDataDialect extends AbstractHelperDialect {\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow() + 1);\n paramMap.put(PAGEPARAMETER_SECOND, page.getEndRow());\n //处理pageKey\n pageKey.update(page.getStartRow() + 1);\n pageKey.update(page.getEndRow());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, long.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 16);\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n LIMIT ( ?, ? )\");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/Db2Dialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class Db2Dialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow() + 1);\n paramMap.put(PAGEPARAMETER_SECOND, page.getEndRow());\n //处理pageKey\n pageKey.update(page.getStartRow() + 1);\n pageKey.update(page.getEndRow());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, long.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 140);\n sqlBuilder.append(\"SELECT * FROM (SELECT TMP_PAGE.*,ROWNUMBER() OVER() AS PAGEHELPER_ROW_ID FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) AS TMP_PAGE) TMP_PAGE WHERE PAGEHELPER_ROW_ID BETWEEN ? AND ?\");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/FirebirdDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * firebirdsql数据库\n * \n * https://firebirdsql.github.io/jaybird-manual/jaybird_manual.html \n * https://firebirdsql.org/file/documentation/chunk/en/refdocs/fblangref40/fblangref40-dml.html#fblangref40-dml-select-offsetfetch \n * \n *\n * @author liuzh\n */\npublic class FirebirdDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, int.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 64);\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n OFFSET ? ROWS FETCH NEXT ? ROWS ONLY \");\n pageKey.update(page.getPageSize());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/GaussDBDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * GaussDB 方言\n *\n * @author nieqiurong\n * @since 6.1.2\n */\npublic class GaussDBDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n /**\n * 构建 GaussDB 分页查询语句\n */\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (page.getStartRow() == 0) {\n sqlBuilder.append(\" LIMIT ? \");\n } else {\n sqlBuilder.append(\" LIMIT ?, ? \");\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/HerdDBDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * Support for HerdDB https://github.com/diennea/herddb. It is mostly the same as MySQL\n * @author Enrico Olivelli\n */\npublic class HerdDBDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (page.getStartRow() == 0) {\n sqlBuilder.append(\"\\n LIMIT ? \");\n } else {\n sqlBuilder.append(\"\\n LIMIT ?, ? \");\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/HsqldbDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class HsqldbDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getPageSize());\n paramMap.put(PAGEPARAMETER_SECOND, page.getStartRow());\n //处理pageKey\n pageKey.update(page.getPageSize());\n pageKey.update(page.getStartRow());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getPageSize() > 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, int.class).build());\n }\n if (page.getStartRow() > 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, long.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 20);\n sqlBuilder.append(sql);\n if (page.getPageSize() > 0) {\n sqlBuilder.append(\"\\n LIMIT ? \");\n }\n if (page.getStartRow() > 0) {\n sqlBuilder.append(\"\\n OFFSET ? \");\n }\n return sqlBuilder.toString();\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/InformixDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class InformixDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList();\n if (page.getStartRow() > 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n }\n if (page.getPageSize() > 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n newParameterMappings.addAll(boundSql.getParameterMappings());\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 40);\n sqlBuilder.append(\"SELECT \");\n if (page.getStartRow() > 0) {\n sqlBuilder.append(\" SKIP ? \");\n }\n if (page.getPageSize() > 0) {\n sqlBuilder.append(\" FIRST ? \");\n }\n sqlBuilder.append(\" * FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) TEMP_T \");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/MySqlDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class MySqlDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (page.getStartRow() == 0) {\n sqlBuilder.append(\"\\n LIMIT ? \");\n } else {\n sqlBuilder.append(\"\\n LIMIT ?, ? \");\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/Oracle9iDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * 参考\n * \n * https://github.com/pagehelper/Mybatis-PageHelper/pull/476 \n * https://github.com/hibernate/hibernate-orm/search?utf8=%E2%9C%93&q=rownum&type= \n * \n * @author liuzh\n */\npublic class Oracle9iDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getEndRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getStartRow());\n //处理pageKey\n pageKey.update(page.getEndRow());\n pageKey.update(page.getStartRow());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, long.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 120);\n sqlBuilder.append(\"SELECT * FROM ( \");\n sqlBuilder.append(\" SELECT TMP_PAGE.*, ROWNUM PAGEHELPER_ROW_ID FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) TMP_PAGE WHERE ROWNUM <= ? \");\n sqlBuilder.append(\" ) WHERE PAGEHELPER_ROW_ID > ? \");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/OracleDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class OracleDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getEndRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getStartRow());\n //处理pageKey\n pageKey.update(page.getEndRow());\n pageKey.update(page.getStartRow());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, long.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 120);\n sqlBuilder.append(\"SELECT * FROM ( \");\n sqlBuilder.append(\" SELECT TMP_PAGE.*, ROWNUM PAGEHELPER_ROW_ID FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) TMP_PAGE)\");\n sqlBuilder.append(\" WHERE PAGEHELPER_ROW_ID <= ? AND PAGEHELPER_ROW_ID > ?\");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/OscarDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n *\n */\npublic class OscarDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getPageSize() );\n paramMap.put(PAGEPARAMETER_SECOND, (int) page.getStartRow() );\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, int.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (page.getStartRow() == 0) {\n sqlBuilder.append(\"\\n LIMIT ? \");\n } else {\n sqlBuilder.append(\"\\n LIMIT ? OFFSET ? \");\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/PostgreSqlDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * PostgreSQL 方言.\n *\n * @author liym\n * @since 2021-02-06\n */\npublic class PostgreSqlDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n //处理pageKey\n pageKey.update(page.getPageSize());\n pageKey.update(page.getStartRow());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n /**\n * 构建 PostgreSQL 分页查询语句\n */\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlStr = new StringBuilder(sql.length() + 17);\n sqlStr.append(sql);\n if (page.getStartRow() == 0) {\n sqlStr.append(\" LIMIT ?\");\n } else {\n sqlStr.append(\" LIMIT ? OFFSET ?\");\n }\n return sqlStr.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/SqlServer2012Dialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class SqlServer2012Dialect extends SqlServerDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n handleParameter(boundSql, ms, long.class, int.class);\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 64);\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n OFFSET ? ROWS FETCH NEXT ? ROWS ONLY \");\n pageKey.update(page.getPageSize());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/SqlServerDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.cache.Cache;\nimport com.github.pagehelper.cache.CacheFactory;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.dialect.ReplaceSql;\nimport com.github.pagehelper.dialect.replace.RegexWithNolockReplaceSql;\nimport com.github.pagehelper.dialect.replace.SimpleWithNolockReplaceSql;\nimport com.github.pagehelper.parser.SqlServerSqlParser;\nimport com.github.pagehelper.parser.defaults.DefaultSqlServerSqlParser;\nimport com.github.pagehelper.util.ClassUtil;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.Map;\nimport java.util.Properties;\n\n/**\n * @author liuzh\n */\npublic class SqlServerDialect extends AbstractHelperDialect {\n protected SqlServerSqlParser sqlServerSqlParser;\n protected Cache CACHE_COUNTSQL;\n protected Cache CACHE_PAGESQL;\n protected ReplaceSql replaceSql;\n\n @Override\n public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {\n String sql = boundSql.getSql();\n String cacheSql = CACHE_COUNTSQL.get(sql);\n if (cacheSql != null) {\n return cacheSql;\n } else {\n cacheSql = sql;\n }\n cacheSql = replaceSql.replace(cacheSql);\n cacheSql = countSqlParser.getSmartCountSql(cacheSql);\n cacheSql = replaceSql.restore(cacheSql);\n CACHE_COUNTSQL.put(sql, cacheSql);\n return cacheSql;\n }\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n String cacheSql = CACHE_PAGESQL.get(sql);\n if (cacheSql == null) {\n cacheSql = sql;\n cacheSql = replaceSql.replace(cacheSql);\n cacheSql = sqlServerSqlParser.convertToPageSql(cacheSql, null, null);\n cacheSql = replaceSql.restore(cacheSql);\n CACHE_PAGESQL.put(sql, cacheSql);\n }\n cacheSql = cacheSql.replace(String.valueOf(Long.MIN_VALUE), String.valueOf(page.getStartRow()));\n cacheSql = cacheSql.replace(String.valueOf(Long.MAX_VALUE), String.valueOf(page.getPageSize()));\n return cacheSql;\n }\n\n /**\n * 分页查询，pageHelper转换SQL时报错with(nolock)不识别的问题，\n * 重写父类AbstractHelperDialect.getPageSql转换出错的方法。\n * 1. this.replaceSql.replace(sql);先转换成假的表名\n * 2. 然后进行SQL转换\n * 3. this.replaceSql.restore(sql);最后再恢复成真的with(nolock)\n */\n @Override\n public String getPageSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey pageKey) {\n String sql = boundSql.getSql();\n Page page = this.getLocalPage();\n String orderBy = page.getOrderBy();\n if (StringUtil.isNotEmpty(orderBy)) {\n pageKey.update(orderBy);\n sql = this.replaceSql.replace(sql);\n sql = orderBySqlParser.converToOrderBySql(sql, orderBy);\n sql = this.replaceSql.restore(sql);\n }\n\n return page.isOrderByOnly() ? sql : this.getPageSql(sql, page, pageKey);\n }\n\n @Override\n public void setProperties(Properties properties) {\n super.setProperties(properties);\n this.sqlServerSqlParser = ClassUtil.newInstance(properties.getProperty(\"sqlServerSqlParser\"), SqlServerSqlParser.class, properties, DefaultSqlServerSqlParser::new);\n String replaceSql = properties.getProperty(\"replaceSql\");\n if (StringUtil.isEmpty(replaceSql) || \"regex\".equalsIgnoreCase(replaceSql)) {\n this.replaceSql = new RegexWithNolockReplaceSql();\n } else if (\"simple\".equalsIgnoreCase(replaceSql)) {\n this.replaceSql = new SimpleWithNolockReplaceSql();\n } else {\n this.replaceSql = ClassUtil.newInstance(replaceSql, properties);\n }\n String sqlCacheClass = properties.getProperty(\"sqlCacheClass\");\n if (StringUtil.isNotEmpty(sqlCacheClass) && !sqlCacheClass.equalsIgnoreCase(\"false\")) {\n CACHE_COUNTSQL = CacheFactory.createCache(sqlCacheClass, \"count\", properties);\n CACHE_PAGESQL = CacheFactory.createCache(sqlCacheClass, \"page\", properties);\n } else {\n CACHE_COUNTSQL = CacheFactory.createCache(null, \"count\", properties);\n CACHE_PAGESQL = CacheFactory.createCache(null, \"page\", properties);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/helper/XuguDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2017 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.helper;\n\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.util.MetaObjectUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.mapping.ParameterMapping;\nimport org.apache.ibatis.reflection.MetaObject;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\n/**\n * @author liuzh\n */\npublic class XuguDialect extends AbstractHelperDialect {\n\n @Override\n public Object processPageParameter(MappedStatement ms, Map paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {\n paramMap.put(PAGEPARAMETER_FIRST, page.getStartRow());\n paramMap.put(PAGEPARAMETER_SECOND, page.getPageSize());\n //处理pageKey\n pageKey.update(page.getStartRow());\n pageKey.update(page.getPageSize());\n //处理参数配置\n if (boundSql.getParameterMappings() != null) {\n List newParameterMappings = new ArrayList(boundSql.getParameterMappings());\n if (page.getStartRow() == 0) {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n } else {\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_FIRST, long.class).build());\n newParameterMappings.add(new ParameterMapping.Builder(ms.getConfiguration(), PAGEPARAMETER_SECOND, int.class).build());\n }\n MetaObject metaObject = MetaObjectUtil.forObject(boundSql);\n metaObject.setValue(\"parameterMappings\", newParameterMappings);\n }\n return paramMap;\n }\n\n @Override\n public String getPageSql(String sql, Page page, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (page.getStartRow() == 0) {\n sqlBuilder.append(\"\\n LIMIT ? \");\n } else {\n sqlBuilder.append(\"\\n LIMIT ?, ? \");\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/replace/RegexWithNolockReplaceSql.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.replace;\n\nimport com.github.pagehelper.dialect.ReplaceSql;\n\n/**\n * 正则处理 with(nolock)，转换为一个 table_PAGEWITHNOLOCK\n *\n * @author liuzh\n * @since 2017/8/23.\n */\npublic class RegexWithNolockReplaceSql implements ReplaceSql {\n\n //with(nolock)\n protected String WITHNOLOCK = \", PAGEWITHNOLOCK\";\n\n @Override\n public String replace(String sql) {\n return sql.replaceAll(\"((?i)\\\\s*(\\\\w+)\\\\s*with\\\\s*\\\\(\\\\s*nolock\\\\s*\\\\))\", \" $2_PAGEWITHNOLOCK\");\n }\n\n @Override\n public String restore(String sql) {\n return sql.replaceAll(\"\\\\s*(\\\\w*?)_PAGEWITHNOLOCK\", \" $1 WITH(NOLOCK)\");\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/replace/SimpleWithNolockReplaceSql.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.replace;\n\nimport com.github.pagehelper.dialect.ReplaceSql;\n\n/**\n * 简单处理 with(nolock)\n *\n * @author liuzh\n * @since 2017/8/23.\n */\npublic class SimpleWithNolockReplaceSql implements ReplaceSql {\n\n //with(nolock)\n protected String WITHNOLOCK = \", PAGEWITHNOLOCK\";\n\n @Override\n public String replace(String sql) {\n return sql.replaceAll(\"((?i)with\\\\s*\\\\(nolock\\\\))\", WITHNOLOCK);\n }\n\n @Override\n public String restore(String sql) {\n return sql.replaceAll(WITHNOLOCK, \" with(nolock)\");\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/Db2RowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * db2 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class Db2RowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n int startRow = rowBounds.getOffset() + 1;\n int endRow = rowBounds.getOffset() + rowBounds.getLimit();\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 120);\n sqlBuilder.append(\"SELECT * FROM (SELECT TMP_PAGE.*,ROWNUMBER() OVER() AS PAGEHELPER_ROW_ID FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) AS TMP_PAGE) TMP_PAGE WHERE PAGEHELPER_ROW_ID BETWEEN \");\n sqlBuilder.append(startRow);\n sqlBuilder.append(\" AND \");\n sqlBuilder.append(endRow);\n pageKey.update(startRow);\n pageKey.update(endRow);\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/GaussDBRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * GaussDB 基于 RowBounds 的分页.\n *\n * @author nieqiurong\n * @since 6.1.2\n */\npublic class GaussDBRowBoundsDialect extends AbstractRowBoundsDialect {\n\n /**\n * 构建 GaussDB 分页查询语句\n */\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (rowBounds.getOffset() == 0) {\n sqlBuilder.append(\" LIMIT \");\n sqlBuilder.append(rowBounds.getLimit());\n } else {\n sqlBuilder.append(\" LIMIT \");\n sqlBuilder.append(rowBounds.getOffset());\n sqlBuilder.append(\",\");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getOffset());\n }\n pageKey.update(rowBounds.getLimit());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/HerdDBRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * HerdDB 基于 RowBounds 的分页\n *\n * @author Enrico Olivelli\n */\npublic class HerdDBRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (rowBounds.getOffset() == 0) {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getLimit());\n } else {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getOffset());\n sqlBuilder.append(\",\");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getOffset());\n }\n pageKey.update(rowBounds.getLimit());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/HsqldbRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * hsqldb 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class HsqldbRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 20);\n sqlBuilder.append(sql);\n if (rowBounds.getLimit() > 0) {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getLimit());\n }\n if (rowBounds.getOffset() > 0) {\n sqlBuilder.append(\"\\n OFFSET \");\n sqlBuilder.append(rowBounds.getOffset());\n pageKey.update(rowBounds.getOffset());\n }\n return sqlBuilder.toString();\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/InformixRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * informix 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class InformixRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 40);\n sqlBuilder.append(\"SELECT \");\n if (rowBounds.getOffset() > 0) {\n sqlBuilder.append(\" SKIP \");\n sqlBuilder.append(rowBounds.getOffset());\n pageKey.update(rowBounds.getOffset());\n }\n if (rowBounds.getLimit() > 0) {\n sqlBuilder.append(\" FIRST \");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getLimit());\n }\n sqlBuilder.append(\" * FROM ( \\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n ) TEMP_T\");\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/MySqlRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * mysql 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class MySqlRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (rowBounds.getOffset() == 0) {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getLimit());\n } else {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getOffset());\n sqlBuilder.append(\",\");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getOffset());\n }\n pageKey.update(rowBounds.getLimit());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/OracleRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * oracle 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class OracleRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n int startRow = rowBounds.getOffset();\n int endRow = rowBounds.getOffset() + rowBounds.getLimit();\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 120);\n if (startRow > 0) {\n sqlBuilder.append(\"SELECT * FROM ( \");\n }\n if (endRow > 0) {\n sqlBuilder.append(\" SELECT TMP_PAGE.*, ROWNUM PAGEHELPER_ROW_ID FROM ( \");\n }\n sqlBuilder.append(\"\\n\");\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n\");\n if (endRow > 0) {\n sqlBuilder.append(\" ) TMP_PAGE WHERE ROWNUM <= \");\n sqlBuilder.append(endRow);\n pageKey.update(endRow);\n }\n if (startRow > 0) {\n sqlBuilder.append(\" ) WHERE PAGEHELPER_ROW_ID > \");\n sqlBuilder.append(startRow);\n pageKey.update(startRow);\n }\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/PostgreSqlRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * PostgreSQL 基于 RowBounds 的分页.\n *\n * @author liym\n * @since 2021-02-06 19:31 新建\n */\npublic class PostgreSqlRowBoundsDialect extends AbstractRowBoundsDialect {\n\n /**\n * 构建 PostgreSQL 分页查询语句\n */\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlStr = new StringBuilder(sql.length() + 17);\n sqlStr.append(sql);\n if (rowBounds.getOffset() == 0) {\n sqlStr.append(\" LIMIT \");\n sqlStr.append(rowBounds.getLimit());\n } else {\n sqlStr.append(\" LIMIT \");\n sqlStr.append(rowBounds.getLimit());\n sqlStr.append(\" OFFSET \");\n sqlStr.append(rowBounds.getOffset());\n pageKey.update(rowBounds.getOffset());\n }\n pageKey.update(rowBounds.getLimit());\n return sqlStr.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/SqlServer2012RowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * sqlserver2012 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class SqlServer2012RowBoundsDialect extends SqlServerRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n sqlBuilder.append(\"\\n OFFSET \");\n sqlBuilder.append(rowBounds.getOffset());\n sqlBuilder.append(\" ROWS \");\n pageKey.update(rowBounds.getOffset());\n sqlBuilder.append(\" FETCH NEXT \");\n sqlBuilder.append(rowBounds.getLimit());\n sqlBuilder.append(\" ROWS ONLY\");\n pageKey.update(rowBounds.getLimit());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/SqlServerRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport com.github.pagehelper.dialect.ReplaceSql;\nimport com.github.pagehelper.dialect.replace.RegexWithNolockReplaceSql;\nimport com.github.pagehelper.dialect.replace.SimpleWithNolockReplaceSql;\nimport com.github.pagehelper.parser.SqlServerSqlParser;\nimport com.github.pagehelper.parser.defaults.DefaultSqlServerSqlParser;\nimport com.github.pagehelper.util.ClassUtil;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.mapping.BoundSql;\nimport org.apache.ibatis.mapping.MappedStatement;\nimport org.apache.ibatis.session.RowBounds;\n\nimport java.util.Properties;\n\n/**\n * sqlserver 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class SqlServerRowBoundsDialect extends AbstractRowBoundsDialect {\n protected SqlServerSqlParser sqlServerSqlParser;\n protected ReplaceSql replaceSql;\n\n @Override\n public String getCountSql(MappedStatement ms, BoundSql boundSql, Object parameterObject, RowBounds rowBounds, CacheKey countKey) {\n String sql = boundSql.getSql();\n sql = replaceSql.replace(sql);\n sql = countSqlParser.getSmartCountSql(sql);\n sql = replaceSql.restore(sql);\n return sql;\n }\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n //处理pageKey\n pageKey.update(rowBounds.getOffset());\n pageKey.update(rowBounds.getLimit());\n sql = replaceSql.replace(sql);\n sql = sqlServerSqlParser.convertToPageSql(sql, null, null);\n sql = replaceSql.restore(sql);\n sql = sql.replace(String.valueOf(Long.MIN_VALUE), String.valueOf(rowBounds.getOffset()));\n sql = sql.replace(String.valueOf(Long.MAX_VALUE), String.valueOf(rowBounds.getLimit()));\n return sql;\n }\n\n @Override\n public void setProperties(Properties properties) {\n super.setProperties(properties);\n this.sqlServerSqlParser = ClassUtil.newInstance(properties.getProperty(\"sqlServerSqlParser\"), SqlServerSqlParser.class, properties, DefaultSqlServerSqlParser::new);\n String replaceSql = properties.getProperty(\"replaceSql\");\n if (StringUtil.isEmpty(replaceSql) || \"simple\".equalsIgnoreCase(replaceSql)) {\n this.replaceSql = new SimpleWithNolockReplaceSql();\n } else if (\"regex\".equalsIgnoreCase(replaceSql)) {\n this.replaceSql = new RegexWithNolockReplaceSql();\n } else {\n this.replaceSql = ClassUtil.newInstance(replaceSql, properties);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/XuguRowBoundsDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2017 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.dialect.rowbounds;\n\nimport com.github.pagehelper.dialect.AbstractRowBoundsDialect;\nimport org.apache.ibatis.cache.CacheKey;\nimport org.apache.ibatis.session.RowBounds;\n\n/**\n * mysql 基于 RowBounds 的分页\n *\n * @author liuzh\n */\npublic class XuguRowBoundsDialect extends AbstractRowBoundsDialect {\n\n @Override\n public String getPageSql(String sql, RowBounds rowBounds, CacheKey pageKey) {\n StringBuilder sqlBuilder = new StringBuilder(sql.length() + 14);\n sqlBuilder.append(sql);\n if (rowBounds.getOffset() == 0) {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getLimit());\n } else {\n sqlBuilder.append(\"\\n LIMIT \");\n sqlBuilder.append(rowBounds.getOffset());\n sqlBuilder.append(\",\");\n sqlBuilder.append(rowBounds.getLimit());\n pageKey.update(rowBounds.getOffset());\n }\n pageKey.update(rowBounds.getLimit());\n return sqlBuilder.toString();\n }\n\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/dialect/rowbounds/package-info.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\n/**\n * 当前包中的实现属于示例，也可以使用，但是以后不会再支持更多数据库\n */\npackage com.github.pagehelper.dialect.rowbounds;\n"
},
{
"path": "src/main/java/com/github/pagehelper/page/PageAutoDialect.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.page;\n\nimport com.github.pagehelper.AutoDialect;\nimport com.github.pagehelper.Dialect;\nimport com.github.pagehelper.PageException;\nimport com.github.pagehelper.dialect.AbstractHelperDialect;\nimport com.github.pagehelper.dialect.auto.*;\nimport com.github.pagehelper.dialect.helper.*;\nimport com.github.pagehelper.util.ClassUtil;\nimport com.github.pagehelper.util.StringUtil;\nimport org.apache.ibatis.mapping.MappedStatement;\n\nimport javax.sql.DataSource;\nimport java.util.LinkedHashMap;\nimport java.util.Map;\nimport java.util.Properties;\nimport java.util.concurrent.ConcurrentHashMap;\nimport java.util.concurrent.locks.ReentrantLock;\n\n/**\n * 基础方言信息\n *\n * @author liuzh\n */\npublic class PageAutoDialect {\n\n private static Map> dialectAliasMap = new LinkedHashMap<>();\n private static Map> autoDialectMap = new LinkedHashMap<>();\n\n public static void registerDialectAlias(String alias, Class dialectClass) {\n dialectAliasMap.put(alias, dialectClass);\n }\n\n static {\n //注册别名\n registerDialectAlias(\"hsqldb\", HsqldbDialect.class);\n registerDialectAlias(\"h2\", HsqldbDialect.class);\n registerDialectAlias(\"phoenix\", HsqldbDialect.class);\n\n registerDialectAlias(\"postgresql\", PostgreSqlDialect.class);\n\n registerDialectAlias(\"mysql\", MySqlDialect.class);\n registerDialectAlias(\"mariadb\", MySqlDialect.class);\n registerDialectAlias(\"sqlite\", MySqlDialect.class);\n\n registerDialectAlias(\"herddb\", HerdDBDialect.class);\n\n registerDialectAlias(\"oracle\", OracleDialect.class);\n registerDialectAlias(\"oracle9i\", Oracle9iDialect.class);\n registerDialectAlias(\"db2\", Db2Dialect.class);\n registerDialectAlias(\"as400\", AS400Dialect.class);\n registerDialectAlias(\"informix\", InformixDialect.class);\n //解决 informix-sqli #129，仍然保留上面的\n registerDialectAlias(\"informix-sqli\", InformixDialect.class);\n\n registerDialectAlias(\"sqlserver\", SqlServerDialect.class);\n registerDialectAlias(\"sqlserver2012\", SqlServer2012Dialect.class);\n\n registerDialectAlias(\"derby\", SqlServer2012Dialect.class);\n //达梦数据库,https://github.com/mybatis-book/book/issues/43\n registerDialectAlias(\"dm\", OracleDialect.class);\n //阿里云PPAS数据库,https://github.com/pagehelper/Mybatis-PageHelper/issues/281\n registerDialectAlias(\"edb\", OracleDialect.class);\n //神通数据库\n registerDialectAlias(\"oscar\", OscarDialect.class);\n registerDialectAlias(\"clickhouse\", MySqlDialect.class);\n //瀚高数据库\n registerDialectAlias(\"highgo\", HsqldbDialect.class);\n //虚谷数据库\n registerDialectAlias(\"xugu\", HsqldbDialect.class);\n registerDialectAlias(\"impala\", HsqldbDialect.class);\n registerDialectAlias(\"firebirdsql\", FirebirdDialect.class);\n //人大金仓数据库\n registerDialectAlias(\"kingbase\", PostgreSqlDialect.class);\n // 人大金仓新版本kingbase8\n registerDialectAlias(\"kingbase8\", PostgreSqlDialect.class);\n //行云数据库\n registerDialectAlias(\"xcloud\", CirroDataDialect.class);\n\n //openGauss数据库\n registerDialectAlias(\"opengauss\", PostgreSqlDialect.class);\n registerDialectAlias(\"gaussdb\", GaussDBDialect.class);\n registerDialectAlias(\"sundb\", OracleDialect.class);\n\n //注册 AutoDialect\n //想要实现和以前版本相同的效果时，可以配置 autoDialectClass=old\n registerAutoDialectAlias(\"old\", DefaultAutoDialect.class);\n registerAutoDialectAlias(\"hikari\", HikariAutoDialect.class);\n registerAutoDialectAlias(\"druid\", DruidAutoDialect.class);\n registerAutoDialectAlias(\"tomcat-jdbc\", TomcatAutoDialect.class);\n registerAutoDialectAlias(\"dbcp\", DbcpAutoDialect.class);\n registerAutoDialectAlias(\"c3p0\", C3P0AutoDialect.class);\n\n //不配置时，默认使用 DataSourceNegotiationAutoDialect\n registerAutoDialectAlias(\"default\", DataSourceNegotiationAutoDialect.class);\n }\n\n public static void registerAutoDialectAlias(String alias, Class autoDialectClass) {\n autoDialectMap.put(alias, autoDialectClass);\n }\n\n /**\n * 自动获取dialect,如果没有setProperties或setSqlUtilConfig，也可以正常进行\n */\n private boolean autoDialect = true;\n /**\n * 属性配置\n */\n private Properties properties;\n /**\n * 缓存 dialect 实现，key 有两种，分别为 jdbcurl 和 dialectClassName\n */\n private Map urlDialectMap = new ConcurrentHashMap();\n private ReentrantLock lock = new ReentrantLock();\n private AbstractHelperDialect delegate;\n private ThreadLocal dialectThreadLocal = new ThreadLocal();\n private AutoDialect autoDialectDelegate;\n\n public static String fromJdbcUrl(String jdbcUrl) {\n final String url = jdbcUrl.toLowerCase();\n for (String dialect : dialectAliasMap.keySet()) {\n if (url.contains(\":\" + dialect.toLowerCase() + \":\")) {\n return dialect;\n }\n }\n return null;\n }\n\n //获取当前的代理对象\n public AbstractHelperDialect getDelegate() {\n if (delegate != null) {\n return delegate;\n }\n return dialectThreadLocal.get();\n }\n\n //移除代理对象\n public void clearDelegate() {\n dialectThreadLocal.remove();\n }\n\n public AbstractHelperDialect getDialectThreadLocal() {\n return dialectThreadLocal.get();\n }\n\n public void setDialectThreadLocal(AbstractHelperDialect delegate) {\n this.dialectThreadLocal.set(delegate);\n }\n\n /**\n * 反射类\n *\n * @param className\n * @return\n * @throws Exception\n */\n public static Class resloveDialectClass(String className) throws Exception {\n if (dialectAliasMap.containsKey(className.toLowerCase())) {\n return dialectAliasMap.get(className.toLowerCase());\n } else {\n return Class.forName(className);\n }\n }\n\n /**\n * 初始化 helper\n *\n * @param dialectClass\n * @param properties\n */\n public static AbstractHelperDialect instanceDialect(String dialectClass, Properties properties) {\n AbstractHelperDialect dialect;\n if (StringUtil.isEmpty(dialectClass)) {\n throw new PageException(\"When you use the PageHelper pagination plugin, you must set the helper property\");\n }\n try {\n Class sqlDialectClass = resloveDialectClass(dialectClass);\n if (AbstractHelperDialect.class.isAssignableFrom(sqlDialectClass)) {\n dialect = (AbstractHelperDialect) sqlDialectClass.newInstance();\n } else {\n throw new PageException(\"When using PageHelper, the dialect must be an implementation class that implements the \" + AbstractHelperDialect.class.getCanonicalName() + \" interface!\");\n }\n } catch (Exception e) {\n throw new PageException(\"error initializing helper dialectclass[\" + dialectClass + \"]\" + e.getMessage(), e);\n }\n dialect.setProperties(properties);\n return dialect;\n }\n\n /**\n * 多数据动态获取时，每次需要初始化，还可以运行时指定具体的实现\n *\n * @param ms\n * @param dialectClass 分页实现，必须是 {@link AbstractHelperDialect} 实现类，可以使用当前类中注册的别名，例如 \"mysql\", \"oracle\"\n */\n public void initDelegateDialect(MappedStatement ms, String dialectClass) {\n if (StringUtil.isNotEmpty(dialectClass)) {\n AbstractHelperDialect dialect = urlDialectMap.get(dialectClass);\n if (dialect == null) {\n lock.lock();\n try {\n if ((dialect = urlDialectMap.get(dialectClass)) == null) {\n dialect = instanceDialect(dialectClass, properties);\n urlDialectMap.put(dialectClass, dialect);\n }\n } finally {\n lock.unlock();\n }\n }\n dialectThreadLocal.set(dialect);\n } else if (delegate == null) {\n if (autoDialect) {\n this.delegate = autoGetDialect(ms);\n } else {\n dialectThreadLocal.set(autoGetDialect(ms));\n }\n }\n }\n\n /**\n * 自动获取分页方言实现\n *\n * @param ms\n * @return\n */\n public AbstractHelperDialect autoGetDialect(MappedStatement ms) {\n DataSource dataSource = ms.getConfiguration().getEnvironment().getDataSource();\n Object dialectKey = autoDialectDelegate.extractDialectKey(ms, dataSource, properties);\n if (dialectKey == null) {\n return autoDialectDelegate.extractDialect(dialectKey, ms, dataSource, properties);\n } else if (!urlDialectMap.containsKey(dialectKey)) {\n lock.lock();\n try {\n if (!urlDialectMap.containsKey(dialectKey)) {\n urlDialectMap.put(dialectKey, autoDialectDelegate.extractDialect(dialectKey, ms, dataSource, properties));\n }\n } finally {\n lock.unlock();\n }\n }\n return urlDialectMap.get(dialectKey);\n }\n\n /**\n * 初始化自定义 AutoDialect\n *\n * @param properties\n */\n private void initAutoDialectClass(Properties properties) {\n String autoDialectClassStr = properties.getProperty(\"autoDialectClass\");\n if (StringUtil.isNotEmpty(autoDialectClassStr)) {\n try {\n Class autoDialectClass;\n if (autoDialectMap.containsKey(autoDialectClassStr)) {\n autoDialectClass = autoDialectMap.get(autoDialectClassStr);\n } else {\n autoDialectClass = (Class) Class.forName(autoDialectClassStr);\n }\n this.autoDialectDelegate = ClassUtil.newInstance(autoDialectClass, properties);\n } catch (ClassNotFoundException e) {\n throw new IllegalArgumentException(\"Make sure that the AutoDialect implementation class (\"\n + autoDialectClassStr + \") for the autoDialectClass configuration exists!\", e);\n } catch (Exception e) {\n throw new RuntimeException(autoDialectClassStr + \"Class must provide a constructor without parameters\", e);\n }\n } else {\n this.autoDialectDelegate = new DataSourceNegotiationAutoDialect();\n }\n }\n\n /**\n * 初始化方言别名\n *\n * @param properties\n */\n private void initDialectAlias(Properties properties) {\n String dialectAlias = properties.getProperty(\"dialectAlias\");\n if (StringUtil.isNotEmpty(dialectAlias)) {\n String[] alias = dialectAlias.split(\";\");\n for (int i = 0; i < alias.length; i++) {\n String[] kv = alias[i].split(\"=\");\n if (kv.length != 2) {\n throw new IllegalArgumentException(\"dialectAlias parameter misconfigured,\" +\n \"Please follow alias1=xx.dialectClass; alias2=dialectClass2!\");\n }\n for (int j = 0; j < kv.length; j++) {\n try {\n //允许配置如 dm=oracle, 直接引用oracle实现\n if (dialectAliasMap.containsKey(kv[1])) {\n registerDialectAlias(kv[0], dialectAliasMap.get(kv[1]));\n } else {\n Class diallectClass = (Class) Class.forName(kv[1]);\n //允许覆盖已有的实现\n registerDialectAlias(kv[0], diallectClass);\n }\n } catch (ClassNotFoundException e) {\n throw new IllegalArgumentException(\"Make sure the Dialect implementation class configured by dialectAlias exists!\", e);\n }\n }\n }\n }\n }\n\n public void setProperties(Properties properties) {\n\n this.properties = properties;\n //初始化自定义AutoDialect\n initAutoDialectClass(properties);\n //使用 sqlserver2012 作为默认分页方式，这种情况在动态数据源时方便使用\n String useSqlserver2012 = properties.getProperty(\"useSqlserver2012\");\n if (StringUtil.isNotEmpty(useSqlserver2012) && Boolean.parseBoolean(useSqlserver2012)) {\n registerDialectAlias(\"sqlserver\", SqlServer2012Dialect.class);\n registerDialectAlias(\"sqlserver2008\", SqlServerDialect.class);\n }\n initDialectAlias(properties);\n //指定的 Helper 数据库方言，和 不同\n String dialect = properties.getProperty(\"helperDialect\");\n //运行时获取数据源\n String runtimeDialect = properties.getProperty(\"autoRuntimeDialect\");\n //1.动态多数据源\n if (StringUtil.isNotEmpty(runtimeDialect) && \"TRUE\".equalsIgnoreCase(runtimeDialect)) {\n this.autoDialect = false;\n }\n //2.动态获取方言\n else if (StringUtil.isEmpty(dialect)) {\n autoDialect = true;\n }\n //3.指定方言\n else {\n autoDialect = false;\n this.delegate = instanceDialect(dialect, properties);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/page/PageBoundSqlInterceptors.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.page;\n\nimport com.github.pagehelper.BoundSqlInterceptor;\nimport com.github.pagehelper.BoundSqlInterceptorChain;\nimport com.github.pagehelper.util.ClassUtil;\nimport com.github.pagehelper.util.StringUtil;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Properties;\n\npublic class PageBoundSqlInterceptors {\n\n private BoundSqlInterceptor.Chain chain;\n\n public void setProperties(Properties properties) {\n //初始化 boundSqlInterceptorChain\n String boundSqlInterceptorStr = properties.getProperty(\"boundSqlInterceptors\");\n if (StringUtil.isNotEmpty(boundSqlInterceptorStr)) {\n String[] boundSqlInterceptors = boundSqlInterceptorStr.split(\"[;|,]\");\n List list = new ArrayList();\n for (int i = 0; i < boundSqlInterceptors.length; i++) {\n list.add(ClassUtil.newInstance(boundSqlInterceptors[i], properties));\n }\n if (list.size() > 0) {\n chain = new BoundSqlInterceptorChain(null, list);\n }\n }\n }\n\n public BoundSqlInterceptor.Chain getChain() {\n return chain;\n }\n}\n"
},
{
"path": "src/main/java/com/github/pagehelper/page/PageMethod.java",
"content": "/*\n * The MIT License (MIT)\n *\n * Copyright (c) 2014-2023 abel533@gmail.com\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n */\n\npackage com.github.pagehelper.page;\n\nimport com.github.pagehelper.ISelect;\nimport com.github.pagehelper.Page;\nimport com.github.pagehelper.util.PageObjectUtil;\n\nimport java.util.Properties;\n\n/**\n * 基础分页方法\n *\n * @author liuzh\n */\npublic abstract class PageMethod {\n protected static final ThreadLocal LOCAL_PAGE = new ThreadLocal();\n protected static boolean DEFAULT_COUNT = true;\n\n /**\n * 设置 Page 参数\n *\n * @param page\n */\n public static void setLocalPage(Page page) {\n LOCAL_PAGE.set(page);\n }\n\n /**\n * 获取 Page 参数\n *\n * @return\n */\n public static Page getLocalPage() {\n return LOCAL_PAGE.get();\n }\n\n /**\n * 移除本地变量\n */\n public static void clearPage() {\n LOCAL_PAGE.remove();\n }\n\n /**\n * 获取任意查询方法的count总数\n *\n * @param select\n * @return\n */\n public static long count(ISelect select) {\n //单纯count查询时禁用异步count\n Page page = startPage(1, -1, true).disableAsyncCount();\n select.doSelect();\n return page.getTotal();\n }\n\n /**\n * 开始分页\n *\n * @param params\n */\n public static Page startPage(Object params) {\n Page page = PageObjectUtil.getPageFromObject(params, true);\n //当已经执行过orderBy的时候\n Page
![](\"wx_mybatis.jpg\")
\n\n## 项目的发展离不开你的支持\n\n### 请作者喝杯咖啡吧！\n\n![](\"ali_pay.png\")
\n\n![](\"wx_pay.png\")
\n\n## 作者信息\n\n网站：https://mybatis.io\n\n作者博客：http://blog.csdn.net/isea533\n\n作者邮箱： abel533@gmail.com\n\n如需加群，请通过 http://mybatis.io 首页按钮加群。\n\n本项目在 github 的项目地址：https://github.com/pagehelper/Mybatis-PageHelper\n\n本项目在 gitosc 的项目地址：http://git.oschina.net/free/Mybatis_PageHelper\n\n## MyBatis-3\n\n- 项目：https://github.com/mybatis/mybatis-3\n- 文档：http://mybatis.github.io/mybatis-3/zh/index.html\n\nMyBatis 专栏：\n\n- [MyBatis示例](http://blog.csdn.net/column/details/mybatis-sample.html)\n- [MyBatis问题集](http://blog.csdn.net/column/details/mybatisqa.html)\n\n## 感谢所有项目贡献者！\n\n\n