今天在修改數隻(是這個"隻"還是這個"支"啊 '_>') 一、二年前撰寫的stored procedure(T-SQL)後發現,
要找出這些被異動的SP曾在那些的SP裡面有使用,或者某張資料表在那幾隻SP內使用,這還真是一件苦差事。
此時突然想起 Visual Studio 內有個功能叫 FindUsages ,可以方便的找出Function 曾在那些程式中使用,
花了一個上午的時間,寫出功能相仿的T-SQL版的
CREATE PROCEDURE [dbo].[sp_FindUsages]
(@ObjectName SYSNAME)
AS
BEGIN
SET NOCOUNT ON;
CREATE TABLE #Result([Id] INT IDENTITY, [ObjectName] VARCHAR(1024), [Line]INT,[Text] NVARCHAR(max));
DECLARE @Id INT;
DECLARE @Line INT;
DECLARE @Name NVARCHAR(1024);
DECLARE pl CURSOR FOR SELECT [name] FROM sys.procedures;
OPEN pl;
FETCH NEXT FROM pl INTO @Name;
WHILE @@FETCH_STATUS = 0
BEGIN
EXEC ('INSERT INTO #Result ([Text]) EXEC sp_helptext ' + @Name);
SET @line = 7;
DECLARE r CURSOR FOR SELECT Id FROM #Result WHERE ObjectName IS NULL;
OPEN r;
FETCH NEXT FROM r INTO @Id;
WHILE @@FETCH_STATUS = 0
BEGIN
SET @Line = @line + 1;
UPDATE #Result SET Line = @Line,ObjectName = @Name WHERE Id = @id ;
FETCH NEXT FROM r INTO @Id;
END
CLOSE r;
DEALLOCATE r;
FETCH NEXT FROM pl INTO @Name;
END
CLOSE pl;
DEALLOCATE pl;
SELECT * FROM #Result WHERE [Text] LIKE '%' + @ObjectName + '%';
DROP TABLE #Result;
END
--exec [sp_FindUsages] [spName]
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