MSSQL:
Код:
/**************************************************************************This script will delete data from every table in the database except
those specified in the @NoDeleteLst.
@NoDeleteLst = Comma seperated list of all tables you DO NOT want this
script to delete.
Example:
SET @NoDeleteLst = "Application,App_Parameter,Parameter"
The above will keep the script from deleting from the
Application,App_Parameter and Parameter tables.
NOTE: SCROLL TO MIDDLE OF SCRIPT TO SET @NoDeleteLst.
***************************************************************************/
--Make sure fnSplit2 exists. If not...create it
if exists (select * from dbo.sysobjects where id = object_id(N"[dbo].[fnSplit2]") and xtype in (N"FN", N"IF", N"TF"))
drop function [dbo].[fnSplit2]
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
CREATE FUNCTION fnSplit2(@sText varchar(8000), @sDelim varchar(20) = " ")
RETURNS @retArray TABLE (idx smallint Primary Key, value varchar(8000))
/********************************************************************************
*************************************
This function parses a delimited string and returns it as an ID"d table.
Parameter Definition:
---------------------------------
@sText = Delimited string to be parsed.
@sDelim = Delimitation character used to seperate list ov values.
RETURNS:
---------------------------
Returns the table defined below:
Column Description
---------- ------------------
idx ID column for array
value Value split from list.
********************************************************************************
*************************************/
AS
BEGIN
DECLARE @idx smallint,
@value varchar(8000),
@bcontinue bit,
@iStrike smallint,
@iDelimlength tinyint
IF @sDelim = "Space"
BEGIN
SET @sDelim = " "
END
SET @idx = 1
SET @sText = LTrim(RTrim(@sText))
SET @iDelimlength = DATALENGTH(@sDelim)
SET @bcontinue = 1
IF NOT ((@iDelimlength = 0) or (@sDelim = "Empty"))
BEGIN
WHILE @bcontinue = 1
BEGIN
--If you can find the delimiter in the text, retrieve the first element and
--insert it with its index into the return table.
IF CHARINDEX(@sDelim, @sText)>0
BEGIN
SET @value = SUBSTRING(@sText,1, CHARINDEX(@sDelim,@sText)-1)
BEGIN
INSERT @retArray (idx, value)
VALUES (@idx, @value)
END
--Trim the element and its delimiter from the front of the string.
--Increment the index and loop.
SET @iStrike = DATALENGTH(@value) + @iDelimlength
SET @idx = @idx + 1
SET @sText = LTrim(Right(@sText,DATALENGTH(@sText) - @iStrike))
END
ELSE
BEGIN
--If you can’t find the delimiter in the text, @sText is the last value in
--@retArray.
SET @value = @sText
BEGIN
INSERT @retArray (idx, value)
VALUES (@idx, @value)
END
--Exit the WHILE loop.
SET @bcontinue = 0
END
END
END
ELSE
BEGIN
WHILE @bcontinue=1
BEGIN
--If the delimiter is an empty string, check for remaining text
--instead of a delimiter. Insert the first character into the
--retArray table. Trim the character from the front of the string.
--Increment the index and loop.
IF DATALENGTH(@sText)>1
BEGIN
SET @value = SUBSTRING(@sText,1,1)
BEGIN
INSERT @retArray (idx, value)
VALUES (@idx, @value)
END
SET @idx = @idx+1
SET @sText = SUBSTRING(@sText,2,DATALENGTH(@sText)-1)
END
ELSE
BEGIN
--One character remains.
--Insert the character, and exit the WHILE loop.
INSERT @retArray (idx, value)
VALUES (@idx, @sText)
SET @bcontinue = 0
END
END
END
RETURN
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
-------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------
--SET NO-DELETE LIST HERE (tbls you dont want to delete from) - Comma seperated list. "tbl1,tbl2,tbl3"
-------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------
DECLARE @tbls TABLE(IDX int IDENTITY(1,1), Tbl varchar(255))
DECLARE @Tbl varchar(255)
INSERT INTO @tbls(Tbl)
SELECT DISTINCT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = "BASE TABLE"
AND LEFT(TABLE_NAME,2) <> "dt"
--Disable Constraints
PRINT "-----------------------------------------------" + CHAR(13) + CHAR(13)
DECLARE curDeleteDB CURSOR FOR
SELECT DISTINCT Tbl
FROM @tbls
OPEN curDeleteDB
FETCH NEXT FROM curDeleteDB
INTO @tbl
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
PRINT "Disabling constraints/triggers for - " + @tbl
EXEC("ALTER TABLE [" + @tbl + "] NOCHECK CONSTRAINT ALL")
EXEC("ALTER TABLE [" + @tbl + "] DISABLE TRIGGER ALL")
END
FETCH NEXT FROM curDeleteDB
INTO @tbl
END
CLOSE curDeleteDB
DEALLOCATE curDeleteDB
--Delete Data
PRINT "-----------------------------------------------" + CHAR(13) + CHAR(13)
DECLARE curDeleteDB CURSOR FOR
SELECT DISTINCT Tbl
FROM @tbls
OPEN curDeleteDB
FETCH NEXT FROM curDeleteDB
INTO @tbl
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
PRINT "Deleting from - " + @tbl
EXEC("DELETE FROM [" + @tbl + "]")
--If table has IDENTITY column reset the seed
IF EXISTS
(
SELECT * FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMNPROPERTY(OBJECT_ID("dbo." + @tbl) ,COLUMN_NAME,"IsIdentity") = 1
AND TABLE_NAME = @tbl
)
BEGIN
EXEC("DBCC CHECKIDENT (""" + @tbl + """, RESEED, 0)")
END
END
FETCH NEXT FROM curDeleteDB
INTO @tbl
END
CLOSE curDeleteDB
DEALLOCATE curDeleteDB
--Re-Enable Constraints
PRINT "-----------------------------------------------" + CHAR(13) + CHAR(13)
DECLARE curDeleteDB CURSOR FOR
SELECT DISTINCT Tbl
FROM @tbls
OPEN curDeleteDB
FETCH NEXT FROM curDeleteDB
INTO @tbl
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
PRINT "Enabling constraints/triggers for - " + @tbl
EXEC("ALTER TABLE [" + @tbl + "] CHECK CONSTRAINT ALL")
EXEC("ALTER TABLE [" + @tbl + "] ENABLE TRIGGER ALL")
END
FETCH NEXT FROM curDeleteDB
INTO @tbl
END
CLOSE curDeleteDB
DEALLOCATE curDeleteDB
SET NOCOUNT OFF
