有一个BOM表,表中很多记录的一个关键字(比如product_id)都是一样的值(比如都是“AAA”)
我想新建记录,直接从所有“AAA”的记录拷贝到“BBB”
用存储过程如何写?CREATE PROCEDURE [dbo].[CopyNode]
(
@product_id varchar(25),
@product_id_new varchar(25)
)
AS
declare @lft int
declare @rgt int
if exists(select product_id from BOM where product_id = @product_id)
begin
SET XACT_ABORT ON
BEGIN TRANSACTION
select * from BOM where product_id = @product_id
//如何写呢?
//insert into BOM where product_id = @product_id
COMMIT TRANSACTION
SET XACT_ABORT OFF
end
我想新建记录,直接从所有“AAA”的记录拷贝到“BBB”
用存储过程如何写?CREATE PROCEDURE [dbo].[CopyNode]
(
@product_id varchar(25),
@product_id_new varchar(25)
)
AS
declare @lft int
declare @rgt int
if exists(select product_id from BOM where product_id = @product_id)
begin
SET XACT_ABORT ON
BEGIN TRANSACTION
select * from BOM where product_id = @product_id
//如何写呢?
//insert into BOM where product_id = @product_id
COMMIT TRANSACTION
SET XACT_ABORT OFF
end
//如何写呢?
//insert into BOM where product_id = @product_id
:
insert into bom
select 除了product_id 列外的其他所有列,'BBB'
from bom where product_id='AAA'注意上面product_id在字段列表中的位置.
SET XACT_ABORT ON
BEGIN TRANSACTION
insert into BOM
select @product_id_new,[product_id外的其他字段]
from BOM where product_id = @product_id
COMMIT TRANSACTION
BEGIN TRANSACTION
insert into BOM
select @product_id_new,[product_id外的其他字段]
from BOM where product_id = @product_id
COMMIT TRANSACTION
from BOM where product_id = @product_id