触发器insert

USE [stalentzx]
GO
/****** Object: Trigger [dbo].[GZ_HISTORY_INSERT] Script Date: 2019/12/24 13:11:40 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[GZ_HISTORY_INSERT]
ON [dbo].[ySysColumns]
AFTER INSERT--,DELETE,UPDATE
AS
BEGIN
DECLARE @TABLENAME VARCHAR(50)
DECLARE @COLNAME VARCHAR(50)
DECLARE @COLORDER INT
DECLARE @COLTYPE VARCHAR(50)

DECLARE @TABLE_SQL VARCHAR(MAX)
DECLARE @COL_STR VARCHAR(MAX)

SELECT @TABLENAME = TABLENAME , @COLNAME = COLNAME FROM INSERTED
IF @TABLENAME LIKE 'GZ_PATSETDATA%' AND
ISNUMERIC(RIGHT(@TABLENAME , 4)) = 1

BEGIN

SELECT * INTO #YSYSCOLUMNS FROM YSYSCOLUMNS WHERE TABLENAME = @TABLENAME

IF EXISTS(SELECT 1 FROM YSYSCOLUMNS
WHERE TABLENAME = 'C2' + RIGHT(@TABLENAME , 4)
)

BEGIN

SET @COL_STR = ''
SELECT @COL_STR = @COL_STR + ',' + COLNAME + ' ' +
(CASE WHEN COLTYPE IN ('VARCHAR','CHAR')
THEN COLTYPE + '(' + CONVERT(VARCHAR(4000) , ColWidth) + ')'

WHEN COLTYPE IN ('DECIMAL' , 'NUMERIC')
THEN ColType + '(' + CONVERT(VARCHAR(4000) , ColWidth) + ',' +
CONVERT(VARCHAR(4000) , ColPrecision) + ')'
ELSE COLTYPE
END) +

(CASE WHEN ISNULL(YSYSCOLUMNS.ColDefault , '') <> ''
THEN (CASE WHEN CHARINDEX(',' , ColDefault) > 0
THEN ' Default ' +
SUBSTRING(ColDefault , 1 , CHARINDEX(',' , ColDefault) - 1)
ELSE ' Default ' + ColDefault
END)
ELSE ''
END)
FROM YSYSCOLUMNS
WHERE TABLENAME='GZ_PATSETDATA' + RIGHT(@TABLENAME , 4) AND
COLNAME = @COLNAME AND
COLNAME NOT IN(SELECT COLNAME FROM YSYSCOLUMNS
WHERE TABLENAME = 'C2' + RIGHT(@TABLENAME,4) AND
COLNAME = @COLNAME
)

SELECT @TABLE_SQL = 'ALTER TABLE C2' + RIGHT(@TABLENAME,4) + ' ADD ' +
SUBSTRING(@COL_STR , 2 , 40000) + ';'

EXEC (@TABLE_SQL)

INSERT INTO YSYSCOLUMNS(TableName , ColName , ColOrder , ColType , ColWidth ,
ColPrecision , ColNull , ColDefault , DisplayLabel , DisplayWidth ,
DisplayFormat , EditFormat , ColVarify , VarifyMsg , ColVisible ,
ColProperty , ColGroup , enus , zhtw , OtherLanguage ,
RelationRule , colgroupOther)
SELECT 'C2' + RIGHT(@TABLENAME , 4) , ColName , ColOrder , ColType , ColWidth ,
ColPrecision , ColNull , ColDefault , DisplayLabel , DisplayWidth ,
DisplayFormat , EditFormat , ColVarify , VarifyMsg , ColVisible ,
ColProperty , ColGroup , enus , zhtw , OtherLanguage ,
RelationRule , colgroupOther
FROM INSERTED
WHERE COLNAME NOT IN(SELECT COLNAME FROM YSYSCOLUMNS
WHERE TABLENAME = 'C2' + RIGHT(@TABLENAME,4) AND
COLNAME = @COLNAME
)

END

ELSE
BEGIN
-----------------------------------创建历史记录物理表---------------------------------
SET @COL_STR = ''
SELECT @COL_STR = @COL_STR + ',' + ColName + ' ' +
(CASE WHEN COLTYPE IN ('VARCHAR','CHAR')
THEN COLTYPE + '(' + CONVERT(VARCHAR(4000) , ColWidth) + ')'

WHEN COLTYPE IN ('DECIMAL' , 'NUMERIC')
THEN ColType + '(' + CONVERT(VARCHAR(4000) , ColWidth) + ',' +
CONVERT(VARCHAR(4000) , ColPrecision) + ')'
ELSE COLTYPE
END) +

(CASE WHEN ISNULL(YSYSCOLUMNS.ColDefault , '') <> ''
THEN (CASE WHEN CHARINDEX(',' , ColDefault) > 0
THEN ' Default ' +
SUBSTRING(ColDefault , 1 , CHARINDEX(',' , ColDefault) - 1)
ELSE ' Default ' + ColDefault
END)
ELSE ''
END)
FROM YSYSCOLUMNS
WHERE TABLENAME='GZ_PATSETDATA' + RIGHT(@TABLENAME,4)

SELECT @TABLE_SQL = 'CREATE TABLE C2' + RIGHT(@TABLENAME,4) +
' (' + SUBSTRING(@COL_STR , 2 , 40000) + ');'
EXEC (@TABLE_SQL)

------由于不存在任何对应的历史表薪资项栏位描述信息，所以需建立对应的历史表描述
SELECT * INTO #YSYSTABLES FROM YSYSTABLES
WHERE TABLENAME = 'GZ_PATSETDATA'+ RIGHT(@TABLENAME,4)

INSERT INTO ySysTables(TableName , TableTypeID , TableOrder , TableLabel , ACessable ,
ACessModule , TableVisible ,PRESERE , ISUSERDISPLAY , TEAMVISIBLE , ModuleID)
SELECT 'C2'+RIGHT(@TABLENAME,4) , 7 , TableOrder , TableLabel+'_H' , '111' ,
'010000000000000000000000000000' , '1' , 0 , 1 , 1 , '01'
FROM #YSYSTABLES

------建立对应历史表的薪资项栏位信息描述
INSERT INTO YSYSCOLUMNS(TableName , ColName , ColOrder , ColType , ColWidth ,
ColPrecision , ColNull , ColDefault , DisplayLabel , DisplayWidth ,
DisplayFormat , EditFormat , ColVarify , VarifyMsg , ColVisible ,
ColProperty , ColGroup , enus , zhtw , OtherLanguage ,
RelationRule , colgroupOther)
SELECT 'C2' + RIGHT(@TABLENAME , 4) , ColName , ColOrder , ColType , ColWidth ,
ColPrecision , ColNull , ColDefault , DisplayLabel , DisplayWidth ,
DisplayFormat , EditFormat , ColVarify , VarifyMsg , ColVisible ,
ColProperty , ColGroup , enus , zhtw , OtherLanguage ,
RelationRule , colgroupOther
FROM #YSYSCOLUMNS
END

END

END