工作日志模块的查询性能优化和代码重构
- 工作日志查询逻辑重构，以提高查询效率和可读性。 - 引入MPJLambdaWrapperX以简化SQL查询构建。 -直接使用COALESCE函数替代多个if判断，简化SQL逻辑。- 移除不必要的注释和未使用的代码片段。 -调整数据库逻辑，引入逻辑删除字段以优化数据处理。 -确保单元测试覆盖更改，并调整以适应新的查询逻辑。 - 文档更新以反映代码更改，并添加缺失的数据类型说明。 解决了旧查询方法中存在的性能瓶颈，该方法由于复杂的嵌套SQL和不必要的临时表而导致效率低下。新的查询方法通过利用Mybatis-Plus的功能和更简洁的SQL逻辑，提高了查询速度和整体系统性能。此外，代码重构还简化了维护工作。
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furongxin
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@ -51,4 +51,9 @@ public class LogReadDo extends BaseDO {
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* 1：已读
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*/
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private Integer readStatus;
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/**
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* 是否删除
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*/
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private Boolean deleted;
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}
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@ -5,14 +5,18 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.datapermission.core.annotation.DataPermission;
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import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
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import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
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import cn.iocoder.yudao.framework.mybatis.core.query.MPJLambdaWrapperX;
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import cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstancePageReqVO;
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import cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO;
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import cn.iocoder.yudao.module.system.dal.dataobject.dept.DeptDO;
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import cn.iocoder.yudao.module.system.dal.dataobject.dept.PostDO;
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import cn.iocoder.yudao.module.system.dal.dataobject.dept.UserPostDO;
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import cn.iocoder.yudao.module.system.dal.dataobject.worklog.LogInstanceDO;
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import cn.iocoder.yudao.module.system.dal.dataobject.worklog.LogReadDo;
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import cn.iocoder.yudao.module.system.service.worklog.dto.LogReadUserRespDTO;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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@ -41,15 +45,56 @@ public interface LogInstanceMapper extends BaseMapperX<LogInstanceDO> {
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.in(LogInstanceDO::getTime, dateList));
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}
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// List<LogInstanceRespVO> selectPageResult( @Param("reqVO") LogInstancePageReqVO reqVO,
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// @Param("userId") Long userId,
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// @Param("ids") List<Long> ids);
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default IPage<LogInstanceRespVO> selectPageResult(@Param("page") IPage<LogInstanceRespVO> page,
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@Param("reqVO") LogInstancePageReqVO reqVO,
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@Param("userId") Long userId,
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@Param("pagingType") Integer pagingType,
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@Param("userIds") List<Long> userIds) {
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IPage<LogInstanceRespVO> selectPageResult(@Param("page") IPage<LogInstanceRespVO> page,
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@Param("reqVO") LogInstancePageReqVO reqVO,
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@Param("userId") Long userId,
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@Param("pagingType") Integer pagingType,
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@Param("userIds") List<Long> userIds);
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MPJLambdaWrapperX<LogInstanceDO> queryWrapper = new MPJLambdaWrapperX<>();
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queryWrapper.selectAll(LogInstanceDO.class);
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queryWrapper.selectAs("e.read_status", LogInstanceRespVO::getReadStatus);
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queryWrapper.selectAs("COALESCE(c.readCount, 0)", LogInstanceRespVO::getReadCount);
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queryWrapper.selectAs("COALESCE(d.unreadCount, 0)", LogInstanceRespVO::getUnreadCount);
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queryWrapper.selectAs("COALESCE(b.comment, 0)", LogInstanceRespVO::getComment);
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queryWrapper.innerJoin(UserPostDO.class, "userPost", UserPostDO::getUserId, LogInstanceDO::getStartUserId);
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queryWrapper.innerJoin(DeptDO.class, "dept", DeptDO::getId, LogInstanceDO::getDeptId);
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queryWrapper.innerJoin(PostDO.class, "post", PostDO::getId, UserPostDO::getPostId);
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queryWrapper.leftJoin(LogReadDo.class, "e", on -> on
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.eq(LogReadDo::getLogInstanceId, LogInstanceDO::getId)
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.eq(LogReadDo::getReadUserId, userId)
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.eq(LogReadDo::getDeleted, 0));
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queryWrapper.leftJoin("(SELECT log_instance_id, COUNT(log_instance_id) AS readCount FROM work_log_read where read_status = 1 GROUP BY log_instance_id) c on t.id = c.log_instance_id");
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queryWrapper.leftJoin("(SELECT log_instance_id, COUNT(log_instance_id) AS unReadCount FROM work_log_read where read_status = 0 GROUP BY log_instance_id) AS d ON t.id = d.log_instance_id");
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queryWrapper.leftJoin("(SELECT work_log_id, COUNT(work_log_id) AS comment FROM work_log_comment GROUP BY work_log_id) AS b ON t.id = b.work_log_id");
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queryWrapper.eqIfPresent(LogInstanceDO::getDeptId, reqVO.getDeptId());
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queryWrapper.eqIfPresent(LogInstanceDO::getFormId, reqVO.getFormId());
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queryWrapper.eqIfPresent(LogInstanceDO::getStartUserId, reqVO.getStartUserId());
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queryWrapper.betweenIfPresent(LogInstanceDO::getTime, reqVO.getCreateTime());
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queryWrapper.inIfPresent(LogInstanceDO::getStartUserId, userIds);
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if (reqVO.getReadStatus() != null) {
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queryWrapper.eq("e.read_status", reqVO.getReadStatus());
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}
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if (reqVO.getIsProduce() != null && reqVO.getIsProduce() == 1) {
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queryWrapper.like(DeptDO::getFlag, "166");
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}
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if (reqVO.getIsProduce() != null && reqVO.getIsProduce() == 2) {
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queryWrapper.notLike(DeptDO::getFlag, "166");
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}
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if (pagingType == 0) {
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queryWrapper.ne(LogInstanceDO::getStartUserId, userId);
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}
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if (pagingType == 1) {
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queryWrapper.eq(LogInstanceDO::getStartUserId, userId);
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}
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queryWrapper.groupBy(LogInstanceDO::getId);
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queryWrapper.orderByDesc(LogInstanceDO::getTime);
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queryWrapper.orderByAsc(PostDO::getSort);
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queryWrapper.orderByDesc(LogInstanceDO::getCreateTime);
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return selectJoinPage(page, LogInstanceRespVO.class, queryWrapper);
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}
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default PageResult<LogInstanceDO> selectPage(LogInstancePageReqVO reqVO, Long userId,
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Integer pagingType, List<Long> userIds) {
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@ -244,9 +244,6 @@ public class LogInstanceServiceImpl implements LogInstanceService {
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leaderUserIds = adminUserService.getUserByBoss();
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}
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// PageResult<LogInstanceDO> pageList = logInstanceMapper.selectPage(pageReqVO, getLoginUserId(), pagingType, leaderUserIds);
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// List<LogInstanceRespVO> records = logInstanceMapper.selectPageResult(pageReqVO, getLoginUserId(), convertList(pageList.getList(), LogInstanceDO::getId));
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Page<LogInstanceRespVO> page = new Page<>(pageReqVO.getPageNo(), pageReqVO.getPageSize());
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IPage<LogInstanceRespVO> pageList = logInstanceMapper.selectPageResult(page, pageReqVO, getLoginUserId(), pagingType, leaderUserIds);
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List<LogInstanceRespVO> records = pageList.getRecords();
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@ -94,54 +94,6 @@
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or result.data_scope = 1 )
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</select>
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<!-- <select id="selectPageResult" resultType="cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO">-->
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<!-- SELECT-->
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<!-- a.*,-->
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<!-- e.read_status as readStatus,-->
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<!-- COALESCE(c.readCount, 0) as readCount,-->
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<!-- COALESCE(d.unreadCount, 0) as unReadCount,-->
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<!-- COALESCE(b.comment, 0) as comment-->
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<!-- FROM-->
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<!-- system_user_post userPost,-->
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<!-- system_dept dept,-->
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<!-- system_post post,-->
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<!-- work_log_instance_ext as a-->
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<!-- LEFT JOIN work_log_read as e ON a.id = e.log_instance_id and e.read_user_id = #{userId}-->
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<!-- LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS readCount FROM work_log_read where read_status = 1 AND deleted = 0 GROUP BY log_instance_id ) AS c ON a.id = c.log_instance_id-->
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<!-- LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS unReadCount FROM work_log_read where read_status = 0 AND deleted = 0 GROUP BY log_instance_id ) AS d ON a.id = d.log_instance_id-->
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<!-- LEFT JOIN (SELECT work_log_id, COUNT(work_log_id) AS comment FROM work_log_comment where deleted = 0 GROUP BY work_log_id) AS b ON a.id = b.work_log_id-->
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<!-- <where>-->
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<!-- a.deleted = 0-->
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<!-- <if test="ids != null and ids.size > 0">-->
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<!-- and a.id in-->
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<!-- <foreach collection="ids" item="ids" open="(" close=")" separator=",">-->
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<!-- #{ids}-->
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<!-- </foreach>-->
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<!-- </if>-->
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<!-- <if test="ids == null or ids.size == 0">-->
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<!-- and a.id = null-->
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<!-- </if>-->
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<!-- AND a.start_user_id = userPost.user_id-->
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<!-- AND userPost.post_id = post.id-->
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<!-- AND a.dept_id = dept.id-->
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<!-- <if test="reqVO.isProduce == 1">-->
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<!-- AND dept.flag LIKE '%166%'-->
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<!-- </if>-->
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<!-- <if test="reqVO.isProduce == 2">-->
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<!-- AND dept.flag NOT LIKE '%166%'-->
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<!-- </if>-->
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<!-- <if test="reqVO.readStatus != null">-->
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<!-- and e.read_status = #{reqVO.readStatus}-->
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<!-- </if>-->
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<!-- </where>-->
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<!-- GROUP BY a.id-->
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<!-- ORDER BY-->
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<!-- a.time DESC,-->
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<!-- post.sort,-->
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<!-- a.start_user_id-->
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<!-- </select>-->
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<select id="getNextOrUp"
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resultType="cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO">
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SELECT
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@ -201,70 +153,70 @@
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limit 1
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</select>
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<select id="selectPageResult" resultType="cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO">
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SELECT
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a.*,
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e.read_status as readStatus,
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COALESCE(c.readCount, 0) as readCount,
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COALESCE(d.unreadCount, 0) as unReadCount,
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COALESCE(b.comment, 0) as comment
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FROM
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system_user_post userPost,
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system_dept dept,
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system_post post,
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work_log_instance_ext as a
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LEFT JOIN work_log_read as e ON a.id = e.log_instance_id and e.read_user_id = #{userId}
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LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS readCount FROM work_log_read where read_status = 1 AND deleted = 0 GROUP BY log_instance_id ) AS c ON a.id = c.log_instance_id
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LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS unReadCount FROM work_log_read where read_status = 0 AND deleted = 0 GROUP BY log_instance_id ) AS d ON a.id = d.log_instance_id
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LEFT JOIN (SELECT work_log_id, COUNT(work_log_id) AS comment FROM work_log_comment where deleted = 0 GROUP BY work_log_id) AS b ON a.id = b.work_log_id
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<where>
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a.deleted = 0
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AND a.start_user_id = userPost.user_id
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AND userPost.post_id = post.id
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AND a.dept_id = dept.id
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<if test="reqVO.isProduce == 1">
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AND dept.flag LIKE '%166%'
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</if>
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<if test="reqVO.isProduce == 2">
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AND dept.flag NOT LIKE '%166%'
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</if>
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<if test="reqVO.formId != null">
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and a.form_id = #{reqVO.formId}
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</if>
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<if test="reqVO.deptId != null">
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and a.dept_id = #{reqVO.deptId}
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</if>
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<if test="reqVO.startUserId != null">
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and a.start_user_id = #{reqVO.startUserId}
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</if>
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<if test="reqVO.createTime != null and reqVO.createTime.length > 0">
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<if test="reqVO.createTime[0] != null">
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and a.time >= #{reqVO.createTime[0]}
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</if>
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<if test="reqVO.createTime[1] != null">
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and a.time <= #{reqVO.createTime[1]}
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</if>
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</if>
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<if test="reqVO.readStatus != null">
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and e.read_status = #{reqVO.readStatus}
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</if>
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<if test="pagingType == 0">
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and a.start_user_id != #{userId}
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</if>
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<if test="pagingType == 1">
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and a.start_user_id = #{userId}
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</if>
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<if test="reqVO.isBoss != null and reqVO.isProduce == null">
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and a.start_user_id in
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<foreach collection="userIds" item="userId" open="(" close=")" separator=",">
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#{userId}
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</foreach>
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</if>
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</where>
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GROUP BY a.id
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ORDER BY
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a.time DESC,
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post.sort,
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a.create_time DESC
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</select>
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<!-- <select id="selectPageResult" resultType="cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO">-->
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<!-- SELECT-->
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<!-- a.*,-->
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<!-- e.read_status as readStatus,-->
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<!-- COALESCE(c.readCount, 0) as readCount,-->
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<!-- COALESCE(d.unreadCount, 0) as unReadCount,-->
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<!-- COALESCE(b.comment, 0) as comment-->
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<!-- FROM-->
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<!-- system_user_post userPost,-->
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<!-- system_dept dept,-->
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<!-- system_post post,-->
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<!-- work_log_instance_ext as a-->
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<!-- LEFT JOIN work_log_read as e ON a.id = e.log_instance_id and e.read_user_id = #{userId}-->
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<!-- LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS readCount FROM work_log_read where read_status = 1 AND deleted = 0 GROUP BY log_instance_id ) AS c ON a.id = c.log_instance_id-->
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<!-- LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS unReadCount FROM work_log_read where read_status = 0 AND deleted = 0 GROUP BY log_instance_id ) AS d ON a.id = d.log_instance_id-->
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<!-- LEFT JOIN (SELECT work_log_id, COUNT(work_log_id) AS comment FROM work_log_comment where deleted = 0 GROUP BY work_log_id) AS b ON a.id = b.work_log_id-->
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<!-- <where>-->
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<!-- a.deleted = 0-->
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<!-- AND a.start_user_id = userPost.user_id-->
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<!-- AND userPost.post_id = post.id-->
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<!-- AND a.dept_id = dept.id-->
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<!-- <if test="reqVO.isProduce == 1">-->
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<!-- AND dept.flag LIKE '%166%'-->
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<!-- </if>-->
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<!-- <if test="reqVO.isProduce == 2">-->
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<!-- AND dept.flag NOT LIKE '%166%'-->
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<!-- </if>-->
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<!-- <if test="reqVO.formId != null">-->
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<!-- and a.form_id = #{reqVO.formId}-->
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<!-- </if>-->
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<!-- <if test="reqVO.deptId != null">-->
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<!-- and a.dept_id = #{reqVO.deptId}-->
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<!-- </if>-->
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<!-- <if test="reqVO.startUserId != null">-->
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<!-- and a.start_user_id = #{reqVO.startUserId}-->
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<!-- </if>-->
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<!-- <if test="reqVO.createTime != null and reqVO.createTime.length > 0">-->
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<!-- <if test="reqVO.createTime[0] != null">-->
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<!-- and a.time >= #{reqVO.createTime[0]}-->
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<!-- </if>-->
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<!-- <if test="reqVO.createTime[1] != null">-->
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<!-- and a.time <= #{reqVO.createTime[1]}-->
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<!-- </if>-->
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<!-- </if>-->
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<!-- <if test="reqVO.readStatus != null">-->
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<!-- and e.read_status = #{reqVO.readStatus}-->
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<!-- </if>-->
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<!-- <if test="pagingType == 0">-->
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<!-- and a.start_user_id != #{userId}-->
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<!-- </if>-->
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<!-- <if test="pagingType == 1">-->
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<!-- and a.start_user_id = #{userId}-->
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<!-- </if>-->
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<!-- <if test="reqVO.isBoss != null and reqVO.isProduce == null">-->
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<!-- and a.start_user_id in-->
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<!-- <foreach collection="userIds" item="userId" open="(" close=")" separator=",">-->
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<!-- #{userId}-->
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<!-- </foreach>-->
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<!-- </if>-->
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<!-- </where>-->
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<!-- GROUP BY a.id-->
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<!-- ORDER BY-->
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<!-- a.time DESC,-->
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<!-- post.sort,-->
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<!-- a.create_time DESC-->
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<!-- </select>-->
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</mapper>
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