求高人解析SQL语句,该怎么处理

求高人解析SQL语句

SQL code

IF EXISTS(SELECT NAME FROM SYSOBJECTS WHERE NAME='user_RecordInResult' AND TYPE='P') DROP PROC user_RecordInResultGOCreate PROCEDURE user_RecordInResult@charWhere nvarchar(1000)ASdeclare @sql varchar(8000)Declare @A1 int,@A2 int,@B1 int,@B2 int,@C1 int,@C2 intdeclare @sInvCode varchar(50),@eInvCode varchar(50)if object_id('tempdb..resultTemp') is not null drop table tempdb..resultTempif LTRIM(RTRIM(@charwhere))<>''begin     SET @B1=CHARINDEX('INVCODE>=',@CHARWHERE)+10    SET @B2=CHARINDEX('INVCODE<=',@CHARWHERE)+10    IF @B1>10 SET @sInvCode=SUBSTRING(@CHARWHERE,@B1,CHARINDEX('''',@CHARWHERE,@B1)-@B1)    IF @B2>10 SET @eInvCode=SUBSTRING(@CHARWHERE,@B2,CHARINDEX('''',@CHARWHERE,@B2)-@B2)endselect cInvName,cInvStd,cComUnitName ,case when mon=1 then sum(isum) else 0 end '1月出',case when mon=2 then sum(isum) else 0 end '2月出',case when mon=3 then sum(isum) else 0 end '3月出',case when mon=4 then sum(isum) else 0 end '4月出',case when mon=5 then sum(isum) else 0 end '5月出',case when mon=6 then sum(isum) else 0 end '6月出',case when mon=7 then sum(isum) else 0 end '7月出',case when mon=8 then sum(isum) else 0 end '8月出',case when mon=9 then sum(isum) else 0 end '9月出',case when mon=10 then sum(isum) else 0 end '10月出',case when mon=11 then sum(isum) else 0 end '11月出',case when mon=12 then sum(isum) else 0 end '12月出'into  tempdb..resultTempfrom(select i.cInvName,i.cInvStd,u.cComUnitName,sum(s.iQuantity) as isum,month(r.dDate) as monfrom rdrecord r join rdrecords s on r.id=s.idleft join Inventory i on i.cInvcode=s.cInvCodeleft join computationUnit u on u.cComUnitCode=i.cComUnitCodewhere r.bRdFlag=0 and (s.cInvCode>=@sInvCode or 0=ISNULL(@sInvCode,0)) and (s.cInvCode<=@eInvCode or 0=ISNULL(@eInvCode,0))group by i.cInvName,i.cInvStd,u.cComUnitName,r.dDate ) agroup by cInvName,cInvStd,cComUnitName,mon 

SQL code

IF EXISTS(SELECT NAME FROM SYSOBJECTS WHERE NAME='user_RecordInResult' AND TYPE='P') DROP PROC user_RecordInResultGO--判断该存储过程是否存在Create PROCEDURE user_RecordInResult@charWhere nvarchar(1000)ASdeclare @sql varchar(8000)Declare @A1 int,@A2 int,@B1 int,@B2 int,@C1 int,@C2 intdeclare @sInvCode varchar(50),@eInvCode varchar(50)if object_id('tempdb..resultTemp') is not null drop table tempdb..resultTempif LTRIM(RTRIM(@charwhere))<>''begin     SET @B1=CHARINDEX('INVCODE>=',@CHARWHERE)+10    SET @B2=CHARINDEX('INVCODE<=',@CHARWHERE)+10    IF @B1>10 SET @sInvCode=SUBSTRING(@CHARWHERE,@B1,CHARINDEX('''',@CHARWHERE,@B1)-@B1)    IF @B2>10 SET @eInvCode=SUBSTRING(@CHARWHERE,@B2,CHARINDEX('''',@CHARWHERE,@B2)-@B2)end--if else 传入参数的处理select cInvName,cInvStd,cComUnitName ,case when mon=1 then sum(isum) else 0 end '1月出',case when mon=2 then sum(isum) else 0 end '2月出',case when mon=3 then sum(isum) else 0 end '3月出',case when mon=4 then sum(isum) else 0 end '4月出',case when mon=5 then sum(isum) else 0 end '5月出',case when mon=6 then sum(isum) else 0 end '6月出',case when mon=7 then sum(isum) else 0 end '7月出',case when mon=8 then sum(isum) else 0 end '8月出',case when mon=9 then sum(isum) else 0 end '9月出',case when mon=10 then sum(isum) else 0 end '10月出',case when mon=11 then sum(isum) else 0 end '11月出',case when mon=12 then sum(isum) else 0 end '12月出'into  tempdb..resultTempfrom(select i.cInvName,i.cInvStd,u.cComUnitName,sum(s.iQuantity) as isum,month(r.dDate) as monfrom rdrecord r join rdrecords s on r.id=s.idleft join Inventory i on i.cInvcode=s.cInvCodeleft join computationUnit u on u.cComUnitCode=i.cComUnitCodewhere r.bRdFlag=0 and (s.cInvCode>=@sInvCode or 0=ISNULL(@sInvCode,0)) and (s.cInvCode<=@eInvCode or 0=ISNULL(@eInvCode,0))group by i.cInvName,i.cInvStd,u.cComUnitName,r.dDate ) agroup by cInvName,cInvStd,cComUnitName,mon --将查询结果按行转列的形式存入临时表 
 
[解决办法]
大概解釋一下，把有誤的，樓主自己改改
SQL code
IF EXISTS(SELECT NAME FROM SYSOBJECTS WHERE NAME='user_RecordInResult' AND TYPE='P')--判斷存儲過程 user_RecordInResult是否存在 DROP PROC user_RecordInResult --存在時執行刪除GOCreate PROCEDURE user_RecordInResult --創建存儲過程user_RecordInResult@charWhere nvarchar(1000) --定義變量ASdeclare @sql varchar(8000)Declare @A1 int,@A2 int,@B1 int,@B2 int,@C1 int,@C2 intdeclare @sInvCode varchar(50),@eInvCode varchar(50)if object_id('tempdb..resultTemp') is not null --判斷tempdb庫表名是否存在resultTempdrop table tempdb..resultTemp --存在時刪除if LTRIM(RTRIM(@charwhere))<>''begin     SET @B1=CHARINDEX('INVCODE>=',@CHARWHERE)+10--取字符串@CHARWHERE存在"INVCODE>="的開始位置，不存在等於0,在位置上加10有誤，應該是加9就行了(INVCODE<=)長度為9    SET @B2=CHARINDEX('INVCODE<=',@CHARWHERE)+10--取字符串@CHARWHERE存在"INVCODE<="的開始位置，不存在等於0,在位置上加10有誤，應該是加9就行了    IF @B1>10 --成立時，說明字符串存在"INVCODE>="        SET @sInvCode=SUBSTRING(@CHARWHERE,@B1,CHARINDEX('''',@CHARWHERE,@B1)-@B1)--取字符串在INVCODE>=字符后的內容    IF @B2>10 --成立時，說明字符串存在"INVCODE<="        SET @eInvCode=SUBSTRING(@CHARWHERE,@B2,CHARINDEX('''',@CHARWHERE,@B2)-@B2)--取字符串在INVCODE<=字符后的內容endselect cInvName,cInvStd,cComUnitName ,case when mon=1 then sum(isum) else 0 end '1月出',--后面的全部改為sum(case when mon=1 then isum else 0 end)case when mon=2 then sum(isum) else 0 end '2月出',case when mon=3 then sum(isum) else 0 end '3月出',case when mon=4 then sum(isum) else 0 end '4月出',case when mon=5 then sum(isum) else 0 end '5月出',case when mon=6 then sum(isum) else 0 end '6月出',case when mon=7 then sum(isum) else 0 end '7月出',case when mon=8 then sum(isum) else 0 end '8月出',case when mon=9 then sum(isum) else 0 end '9月出',case when mon=10 then sum(isum) else 0 end '10月出',case when mon=11 then sum(isum) else 0 end '11月出',case when mon=12 then sum(isum) else 0 end '12月出'into  tempdb..resultTemp --把結果生成tempdb庫的resultTemp表FROM(select i.cInvName,i.cInvStd,u.cComUnitName,sum(s.iQuantity) as isum,month(r.dDate) as monfrom rdrecord r join rdrecords s on r.id=s.idleft join Inventory i on i.cInvcode=s.cInvCodeleft join computationUnit u on u.cComUnitCode=i.cComUnitCodewhere r.bRdFlag=0 and (s.cInvCode>=@sInvCode or 0=ISNULL(@sInvCode,0)) and (s.cInvCode<=@eInvCode or 0=ISNULL(@eInvCode,0))group by i.cInvName,i.cInvStd,u.cComUnitName,r.dDate ) agroup by cInvName,cInvStd,cComUnitName,mon
[解决办法]
SQL code
IF EXISTS(SELECT NAME FROM SYSOBJECTS WHERE NAME='user_RecordInResult' AND TYPE='P') DROP PROC user_RecordInResult ---判断存储过程是否存在 存在就删除GOCreate PROCEDURE user_RecordInResult@charWhere nvarchar(1000)AS  --- 创建 存储过程 定义变量declare @sql varchar(8000)Declare @A1 int,@A2 int,@B1 int,@B2 int,@C1 int,@C2 intdeclare @sInvCode varchar(50),@eInvCode varchar(50)if object_id('tempdb..resultTemp') is not null drop table tempdb..resultTempif LTRIM(RTRIM(@charwhere))<>''  --判断临时表是否存在 存在就删除begin     SET @B1=CHARINDEX('INVCODE>=',@CHARWHERE)+10    SET @B2=CHARINDEX('INVCODE<=',@CHARWHERE)+10    IF @B1>10 SET @sInvCode=SUBSTRING(@CHARWHERE,@B1,CHARINDEX('''',@CHARWHERE,@B1)-@B1)    IF @B2>10 SET @eInvCode=SUBSTRING(@CHARWHERE,@B2,CHARINDEX('''',@CHARWHERE,@B2)-@B2)endselect cInvName,cInvStd,cComUnitName ,case when mon=1 then sum(isum) else 0 end '1月出',--这里用sum(case when ...)应该比较好case when mon=2 then sum(isum) else 0 end '2月出',case when mon=3 then sum(isum) else 0 end '3月出',case when mon=4 then sum(isum) else 0 end '4月出',case when mon=5 then sum(isum) else 0 end '5月出',case when mon=6 then sum(isum) else 0 end '6月出',case when mon=7 then sum(isum) else 0 end '7月出',case when mon=8 then sum(isum) else 0 end '8月出',case when mon=9 then sum(isum) else 0 end '9月出',case when mon=10 then sum(isum) else 0 end '10月出',case when mon=11 then sum(isum) else 0 end '11月出',case when mon=12 then sum(isum) else 0 end '12月出'into  tempdb..resultTemp ---生成临时表resultTempfrom(select i.cInvName,i.cInvStd,u.cComUnitName,sum(s.iQuantity) as isum,month(r.dDate) as monfrom rdrecord r join rdrecords s on r.id=s.idleft join Inventory i on i.cInvcode=s.cInvCodeleft join computationUnit u on u.cComUnitCode=i.cComUnitCodewhere r.bRdFlag=0 and (s.cInvCode>=@sInvCode or 0=ISNULL(@sInvCode,0)) and (s.cInvCode<=@eInvCode or 0=ISNULL(@eInvCode,0))group by i.cInvName,i.cInvStd,u.cComUnitName,r.dDate ) agroup by cInvName,cInvStd,cComUnitName,mon