Sql 为表的每一行运行存储过程
我有一张像这样的桌子Sql 为表的每一行运行存储过程,sql,tsql,stored-procedures,Sql,Tsql,Stored Procedures,我有一张像这样的桌子 value_1 value_2 value_3 --------------------------- 1 2 3 4 5 6 7 8 9 ... ... ... 我需要为这个表的每一行运行一个存储过程,比如 foreach value_1, value_2, value_3 from my_table exec spProcedure valu
value_1 value_2 value_3
---------------------------
1 2 3
4 5 6
7 8 9
... ... ...
我需要为这个表的每一行运行一个存储过程,比如
foreach value_1, value_2, value_3 from my_table
exec spProcedure value_1, value_2, value_3
有办法吗?您可以使用光标:
DECLARE @value1 INT,
@value2 INT,
@value3 INT
DECLARE cursorElement CURSOR FOR
SELECT value_1, value_2, value_2
FROM table
OPEN cursorElement
FETCH NEXT FROM cursorElement INTO @value1, @value2, @value3
WHILE ( @@FETCH_STATUS = 0 )
BEGIN
exec spProcedure @value1, @value2, @value3
FETCH NEXT FROM cursorElement INTO @value1, @value2, @value3
END
CLOSE cursorElement
DEALLOCATE cursorElement
另一种方式:
从另一个存储过程还是在程序中?只是要在sql Management Studio中运行的sql查询可能是Thank you的副本,这就是我要找的:
DECLARE @MemoryTable table (
RowID int,
value_1 int,
value_2 int,
value_3 int
)
INSERT INTO @MemoryTable
SELECT ROW_NUMBER() OVER (ORDER BY value_1) AS RowID, * FROM SampleTable
DECLARE @ctr INT
DECLARE @MaxRownum INT
DECLARE @val1 INT
DECLARE @val2 INT
DECLARE @val3 INT
SET @ctr = 1
SET @MaxRownum = (SELECT COUNT(1) FROM @MemoryTable)
WHILE @ctr <= @MaxRownum
BEGIN
SELECT @val1 = value_1,
@val2=value_2,
@val3=value_3
FROM @MemoryTable
WHERE RowID = @ctr
exec spProcedure @val1, @val2, @val3
SET @ctr = @ctr + 1
END