--try:CREATE PROCEDURE Inventory_InsertTransactionHeader
(
@ExtTransactionID varchar(50),
@WarehouseID varchar(50),
@DateCreated datetime,
@Reason varchar(99),
@Notes varchar(100),
@Description varchar(50),
@Reference varchar(50),
@SourceDocument int,
@VendorID int,
@Type varchar(50),
@QtyPostedYN bit,
@GLPostedYN bit,
@DealerID int,
@TransactionID int output
)
AS
If @VendorID = 0
select @VendorID = nullinsert into InventoryTransaction (ExtTransactionID,WarehouseID,DateCreated,Reason,Notes,Description,Reference,SourceDocument,VendorID,Type,[SYS COM ID],GLPostedYN,QtyPostedYN)
select @ExtTransactionID,@WarehouseID,@DateCreated,@Reason,@Notes,@Description,@Reference,@SourceDocument,@VendorID,@Type,[SYS COM ID],@GLPostedYN,@QtyPostedYN from [SYS Company]
where DealerID = @DealerIDset @TransactionID = @@identity
go
set @P1=1626
exec @out=Inventory_InsertTransactionHeader 'INV-ADJ-228', 'MAIN', 'Oct 13 2008 12:00:00:000AM', NULL, NULL, NULL, NULL, 15031, 0, 'Adjustments', 0, 0, 73, @P1 output
select @P1,@out--查看retrun返回的值
1,@@IDENTITY是得到当前会话的所有范围的最后插入的IDENTITY值
2,SCOPE_IDENTITY是得到当前会话的当前范围的最后插入的IDENTITY值
3,IDENT_CURRENT是得到指定表的最后插入的IDENTITY值,与会话、范围无关。因为在插入和得到IDENTITY值之间可能会有其它的事情发生,但是你只想得到我刚才插入的IDENTITTY值,只有使用SCOPE_IDENTITY函数才行。以下是测试SQL
(1)
USE pubs
DROP TABLE t6
DROP TABLE t7
GO
CREATE TABLE t6(id int IDENTITY)
CREATE TABLE t7(id int IDENTITY(100,1))
GO
CREATE TRIGGER t6ins ON t6 FOR INSERT
AS
BEGIN
INSERT t7 DEFAULT VALUES
END
GO
--end of trigger definitionSELECT * FROM t6
--id is empty.SELECT * FROM t7
--id is empty.--Do the following in Session 1
INSERT t6 DEFAULT VALUES
declare @i int
set @i = 0
while @i < 20000
begin
set @i = @i + 1
print @i
endSELECT @@IDENTITY as "@@IDENTITY0"
/*Returns the value 100, which was inserted by the trigger.*/SELECT SCOPE_IDENTITY() 'SCOPE_IDENTITY()0'
/* Returns the value 1, which was inserted by the
INSERT stmt 2 statements before this query.*/SELECT IDENT_CURRENT('t7') 'IDENT_CURRENT(t7)0'
/* Returns value inserted into t7, i.e. in the trigger.*/SELECT IDENT_CURRENT('t6') 'IDENT_CURRENT(t6)0'
/* Returns value inserted into t6, which was the INSERT statement 4 stmts before this query.*/-- Do the following in Session 2
SELECT @@IDENTITY "@@IDENTITY1"
/* Returns NULL since there has been no INSERT action
so far in this session.*/SELECT SCOPE_IDENTITY() 'SCOPE_IDENTITY()1'
/* Returns NULL since there has been no INSERT action
so far in this scope in this session.*/SELECT IDENT_CURRENT('t7') 'IDENT_CURRENT(t7)1'
/* Returns the last value inserted into t7.*/
当在执行while @i < 20000
begin
set @i = @i + 1
print @i
end这个地方的时候,就可以用
INSERT t6 DEFAULT VALUES
INSERT t7 DEFAULT VALUES
select * from t6
select * from t7来进行操作数据库等到全部执行完了,你就会发现只有SCOPE_IDENTITY列永远是1
所以我存储过程做了个小调整
alter PROCEDURE Inventory_InsertTransactionHeader
(
@ExtTransactionID varchar(50),
@WarehouseID varchar(50),
@DateCreated datetime,
@Reason varchar(99),
@Notes varchar(100),
@Description varchar(50),
@Reference varchar(50),
@SourceDocument int,
@VendorID int,
@Type varchar(50),
@QtyPostedYN bit,
@GLPostedYN bit,
@DealerID int,
@TransactionID int output)ASdeclare @CompanyID varchar(50)If @VendorID = 0
select @VendorID = null
select @CompanyID = [SYS COM ID] from [SYS Company] where DealerID = @DealerIDBegin Traninsert into InventoryTransaction (ExtTransactionID,WarehouseID,DateCreated,Reason,Notes,Description,Reference,SourceDocument,VendorID,Type,[SYS COM ID],GLPostedYN,QtyPostedYN)
values(@ExtTransactionID,@WarehouseID,@DateCreated,@Reason,@Notes,@Description,@Reference,@SourceDocument,@VendorID,@Type,@CompanyID,@GLPostedYN,@QtyPostedYN)If @@Error <> 0
Begin
Rollback Tran
return -1
End
Select @TransactionID = SCOPE_IDENTITY()
Commit Trandeclare @return int
select @return=count(*) from InventoryTransaction where [ID]=@TransactionID
return @return
然后手工执行:
declare @P1 int,@out int
set @P1=1626
exec @out=Inventory_InsertTransactionHeader 'INV-ADJ-228', 'MAIN', 'Oct 13 2008 12:00:00:000AM', NULL, NULL, NULL, NULL, 15031, 0, 'Adjustments', 0, 0, 73, @P1 output
select @P1 as [out],@out as [return]--查看retrun返回的值返回是正确的数据:
(1 row(s) affected)out return
----------- -----------
1645 1(1 row(s) affected)
到此为止都是正确的=====================
但是我的问题是:当在我的程序中调用本存储过程,也可以得到正确的output和return,那么数据应该写入数据库里了,对吧? 可是随着程序的运行,我也没有跟踪到任何删除语句,但是数据库就是找不到刚刚插入的数据。而且,如果往表InsertTransactionHeader里插入其他数据,会发现其ID也自动增长了一个。
要在外层的事务提交,存储过程内部的事务才提交.
EX:BEGIN TRAN
declare @P1 int,@out int
set @P1=1626
exec @out=Inventory_InsertTransactionHeader 'INV-ADJ-228', 'MAIN', 'Oct 13 2008 12:00:00:000AM', NULL, NULL, NULL, NULL, 15031, 0, 'Adjustments', 0, 0, 73, @P1 output
select @P1 as [out],@out as [return]--查看retrun返回的值ROLLBACK TRAN --