14.2.3 搜索指定数据在那个对象中存在.sql

sqlserver 数据库编程的绝好脚本

CREATE PROC sp_ValueSearch
@value sql_variant,  --要搜索的数据
@precision bit=1     --1=仅根据sql_variant中的数据类型查找对应类型的数据列.<>1,查询兼容的所有列,字符数据使用like匹配
AS
SET NOCOUNT ON
IF @value IS NULL RETURN

--数据类型处理
SELECT xtype INTO #t FROM systypes
WHERE name=SQL_VARIANT_PROPERTY(@value,N'BaseType')

--扩展数据类型及查询处理语句
DECLARE @sql nvarchar(4000),@sql1 nvarchar(4000)
IF @precision=1
	SET @sql=CASE SQL_VARIANT_PROPERTY(@value,N'BaseType')
		WHEN N'text' THEN N' LIKE N''%''+CAST(@value as varchar(8000))+''%'''
		WHEN N'ntext' THEN N' LIKE ''%''+CAST(@value as nvarchar(4000))+''%'''
		ELSE N'=@value' END
ELSE
BEGIN
	SET @sql=CAST(SQL_VARIANT_PROPERTY(@value,N'BaseType') as sysname)
	IF @sql LIKE N'%char' or @sql LIKE N'%text'
	BEGIN
		INSERT #t SELECT xtype FROM systypes
		WHERE name LIKE N'%char' or name LIKE N'%text'
		SELECT @sql=N' LIKE N''%''+CAST(@value as '
			+CASE 
				WHEN LEFT(@sql,1)=N'n' THEN ' nvarchar(4000)'
				ELSE 'varchar(8000)' END
			+N')+N''%'''
	END
	ELSE IF @sql LIKE N'%datetime'
	BEGIN
		INSERT #t SELECT xtype FROM systypes
		WHERE name LIKE N'%datetime'
		SET @sql=N'=@value'	
	END
	ELSE IF @sql LIKE N'%int' 
		OR @sql LIKE N'%money' 
		OR @sql IN(N'real',N'float',N'decimal',N'numeric')
	BEGIN
		INSERT #t SELECT xtype FROM systypes
		WHERE name LIKE N'%int' 
			OR name LIKE N'%money' 
			OR name IN(N'real',N'float',N'decimal')
		SET @sql=N'=@value'	
	END
	ELSE
		SET @sql=N'=@value'
END
--保存结果的临时表
CREATE TABLE #(TableName sysname,FieldName sysname,Type sysname,SQL nvarchar(4000))

DECLARE tb CURSOR LOCAL
FOR
SELECT N'SELECT * FROM '
	+QUOTENAME(USER_NAME(o.uid))
	+N'.'+QUOTENAME(o.name)
	+N' WHERE '+QUOTENAME(c.name)
	+@sql,
	N'INSERT # VALUES(N'+QUOTENAME(o.name,N'''')
	+N',N'+QUOTENAME(c.name,N'''')
	+N',N'+QUOTENAME(QUOTENAME(t.name)+CASE 
		WHEN t.name IN (N'decimal',N'numeric')
		THEN N'('+CAST(c.prec as varchar)+N','+CAST(c.scale as varchar)+N')'
		WHEN t.name=N'float'
			OR t.name like N'%char'
			OR t.name like N'%binary'
		THEN N'('+CAST(c.prec as varchar)+N')'
		ELSE N'' END,N'''')
	+N',@sql)'
FROM sysobjects o,syscolumns c,systypes t,#t tt
WHERE o.id=c.id
	AND c.xusertype=t.xusertype
	AND t.xtype=tt.xtype
	AND OBJECTPROPERTY(o.id,N'IsUserTable')=1

OPEN tb
FETCH tb INTO @sql,@sql1
WHILE @@FETCH_STATUS=0
BEGIN
	SET @sql1=N'IF EXISTS('+@sql+N') '+@sql1
	EXEC sp_executesql @sql1,N'@value sql_variant,@sql nvarchar(4000)',@value,@sql
	FETCH tb INTO @sql,@sql1
END
CLOSE tb
DEALLOCATE tb
SELECT * FROM #