• SQL临时表|游标|两个日期之间计算时差|临时表条件查询


    DECLARE @ExceptionLocationId CHAR(12)='',
    @ExceptionNumber CHAR(12)='',
    @AssetName NVARCHAR(100)='',
    @WorkcenterId NVARCHAR(100)='',
    @ExceptionTypeName NVARCHAR(100)='',
    @ProductionExceptionManagementId CHAR (12)  --主表主键ID

       ---创建临时表
      --------创建故障维修记录临时表-------------------------------
            IF OBJECT_ID('tempdb..#TB') IS NOT NULL

            DROP TABLE #TB
            
            CREATE TABLE #TB(
            字段1 NVARCHAR(100),      ---场地
            字段2 NVARCHAR(200), --生产线
            字段3 NVARCHAR(200),  --设备名称
            
            )
       ----定义游标---
        DECLARE PemID_cursor CURSOR LOCAL
            FOR
            SELECT ProductionExceptionManagementId FROM dbo.ProductionExceptionManagement WHERE ExceptionStatusId<>''  ---状态不能为空
            FOR READ ONLY
            ---打开游标
            OPEN PemID_cursor
            ---读取数据
            FETCH NEXT FROM PemID_cursor
            INTO @ProductionExceptionManagementId
            WHILE @@FETCH_STATUS=0
            BEGIN


        SELECT 
        @ExceptionLocationId = ExceptionLocationId 
                                FROM ExceptionLocation Ex LEFT OUTER JOIN  dbo.ProductionExceptionManagement Pd ON Ex.FactoryId=pd.FactoryId AND Ex.SiteId=Pd.SiteId
                                AND EX.WorkcenterId=Pd.WorkcenterId WHERE Ex.ExceptionTypeId=Pd.ExceptionTypeId AND ProductionExceptionManagementId=@ProductionExceptionManagementId
        -----查找单号-----------------
         SET @ExceptionNumber=(SELECT ExceptionNumber FROM dbo.ProductionExceptionManagement WHERE ProductionExceptionManagementid=@ProductionExceptionManagementId)
        
        ---主从表中需要查找匹配的字段值1,字段值2,字段值3......---

       SET @字段1=()
       SET @字段2=()
      ...........

     --- XCWaitTime AS 现场恢复等待时长
         --SET @XCWaitTime=(SELECT DATEDIFF(MINUTE,@FailureTime,@XCHandleTime))
        SET @XCWaitTime=CAST ( CAST ( DATEDIFF ( ss, @FailureTime, @XCHandleTime ) / ( 60 * 60 * 24 ) AS INT ) AS VARCHAR ) + '天' + CAST ( CAST ( DATEDIFF ( ss, @FailureTime, @XCHandleTime ) % 86400 / 3600 AS INT ) AS VARCHAR ) + '小时' + CAST ( CAST ( DATEDIFF ( ss, @FailureTime, @XCHandleTime ) % 3600 / 60 AS INT ) AS VARCHAR ) + '分' + CAST ( CAST ( DATEDIFF ( ss, @FailureTime, @XCHandleTime ) % 60 AS INT ) AS VARCHAR ) + '秒' 
        ---现场恢复等待时长----
        ---MaintenanceDuration AS 修护课维修时长
        ---SET  @MaintenanceDuration=(SELECT DATEDIFF(MINUTE,@HandleTime,@XCHandleTime))
        SET @MaintenanceDuration=CAST ( CAST ( DATEDIFF ( ss, @HandleTime, @XCHandleTime ) / ( 60 * 60 * 24 ) AS INT ) AS VARCHAR ) + '天' + CAST ( CAST ( DATEDIFF ( ss, @HandleTime, @XCHandleTime ) % 86400 / 3600 AS INT ) AS VARCHAR ) + '小时' + CAST ( CAST ( DATEDIFF ( ss, @HandleTime, @XCHandleTime ) % 3600 / 60 AS INT ) AS VARCHAR ) + '分' + CAST ( CAST ( DATEDIFF ( ss, @HandleTime, @XCHandleTime ) % 60 AS INT ) AS VARCHAR ) + '秒' 
        ---修护课维修时长
        ---主从表中需要查找匹配的字段值1,字段值2,字段值3......
          --------临时表插入值-------------------------------
         INSERT INTO #TB    (
                字段1 ,
                字段2 , 
                字段3,
                .....
                )
                SELECT  
                @字段1 ,
                @字段2 , 
                @字段3 
                .....
                
              --进入下一行数据--
                
                FETCH NEXT FROM PemID_cursor
                INTO @ProductionExceptionManagementId
                 
                END
                ---关闭游标--------------
                CLOSE PemID_cursor
                ---释放游标------------------
                DEALLOCATE PemID_cursor 

          ----统计展示重复数据次数前五----

               SELECT TOP 5 字段1,COUNT(0) AS 次数  FROM #TB WHERE 字段2='自动化D/C1线' GROUP BY 字段1 HAVING COUNT(字段1)>1  ORDER BY 次数 DESC 

            ----设备停机时长----
               SELECT   TOP 5 字段1 AS 名称1,  字段3 AS 名称3 FROM #TB   WHERE  字段2='自动化D/C4线' ORDER BY 字段2 desc

           ----删除临时表---

              DROP TABLE #TB

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  • 原文地址:https://blog.csdn.net/u013597888/article/details/127802584