背景：
我有一系列存储过程，可以将一条新记录插入到5个表中（都具有一对一的关系）。每个存储过程都为相关表创建唯一ID。最后一个存储过程将所有这些唯一ID添加到最后一个表中（以允许INNER JOIN检索各个表中的所有信息）。
我创建了一个额外的存储过程（让我们称之为spWrapper），它调用4个单独的存储过程（如上所述）。我想使用spWrapper来插入和更新记录。当前（插入）spWrapper只插入一条记录; 5个唯一ID声明为OUTPUT个参数。我的T-SQL知识仍然是基本的，我不确定OUTPUT参数如何影响存储过程。
当前的spWrapper代码（缩短示例）：
ALTER PROCEDURE [dbo].[spWrapper]
-- Return values
@idAddress INT = NULL OUTPUT,
@idDetermination INT = NULL OUTPUT,
@idLegalDescription INT = NULL OUTPUT,
@idAddresses_LegalDescriptions_Determinations INT = NULL OUTPUT,
@idLOMC INT = NULL OUTPUT,
-- [Table#1] parameters
@Street VARCHAR(50) = NULL,
@City VARCHAR(50) = NULL,
@State VARCHAR(2) = NULL,
@ZipCode5 VARCHAR(5) = NULL,
@ZipCode4 VARCHAR(4) = NULL,
@GISCode VARCHAR(15) = NULL
AS
SET NOCOUNT OFF
SET ROWCOUNT 0
-- =================================
-- Declare and initialize variables
-- =================================
DECLARE @Error INT,
@RC INT,
@Trancount INT,
@Message VARCHAR(255)
SELECT @Error = 0,
@RC = 0,
@Trancount = @@TRANCOUNT,
@Message = NULL
-- ==========================================
-- Insert record into [Table#1]
-- ==========================================
IF @idAddress IS NULL
BEGIN
IF @Trancount = 0 BEGIN TRANSACTION
EXEC @RC = [spTable#1]
@idLogin = @idLogin,
@idAddress = @idAddress,
@Street = @Street,
@State = @State,
@City = @City,
@ZipCode5 = @ZipCode5,
@ZipCode4 = @ZipCode4,
@GISCode = @GISCode
SELECT @Error = @@ERROR
IF @RC <> 0 OR @Error <> 0
BEGIN
IF @Trancount = 0 ROLLBACK TRANSACTION
SELECT @Message = 'dbo.spWrapper: Error inserting record into [Table#1]'
GOTO lbl_abort
END
END
IF @Trancount = 0 COMMIT TRANSACTION
当前的spTable＃1代码
ALTER PROCEDURE [spTable#1]
@idLogin INT,
@idAddress INT = NULL OUTPUT,
@Street VARCHAR(50),
@State CHAR(2),
@City VARCHAR(50),
@ZipCode5 CHAR(5),
@ZipCode4 CHAR(4),
@GisCode VARCHAR(15)
IF @TranCount = 0 BEGIN TRANSACTION
IF @idAddress IS NULL
BEGIN
INSERT [dbo].[Table#1]
(Street,
[State],
City,
ZipCode5,
ZipCode4,
GisCode,
InsertedidLogin,
InsertedDate)
VALUES
(@Street,
@State,
@City,
@ZipCode5,
@ZipCode4,
@GisCode,
@idLogin,
GETDATE())
SELECT @Error = @@ERROR,
@RC = @@ROWCOUNT,
@idAddress = SCOPE_IDENTITY()
IF @Error <> 0 OR @RC <> 1
BEGIN
IF @TranCount = 0 ROLLBACK TRANSACTION
SELECT @Message = 'spTable#1: Error inserting record into [Table#1]'
GOTO lbl_abort
END
END
我的主要问题：
如果将唯一ID设置为OUTPUT参数，是否可以插入现有ID来调用spTable＃1的UPDATE部分（以及随后的spWrapper）？ OR 我可以声明这些唯一ID（即：不是OUTPUT参数）吗？
建议的更改
CREATE PROCEDURE [dbo].[spWrapper]
@idLOMC INT = NULL
DECLARE @idAddress INT,
@idLegalDescription INT,
@idDetermination INT,
@idCommunity INT,
@idFirm INT,
@idCounty INT,
@idFloodZone INT,
@Error INT,
@RC INT,
@Trancount INT,
@Message VARCHAR(255)
SELECT @idAddress = NULL,
@idLegalDescription = NULL,
@idDetermination = NULL,
@Error = 0,
@RC = 0,
@Trancount = @@TRANCOUNT,
@Message = NULL
/* Lookup idAddress, idLegalDescription, idDetermination */
IF @idLOMC IS NOT NULL
BEGIN
SELECT @idAddress = A.idAddress, @idLegalDescription = LD.idLegalDescription, @idDetermination = D.idDetermination
FROM [Table#2] L
INNER JOIN [Table#5] ALD
ON L.idAddresses_LegalDescriptions_Determinations = ALD.idAddresses_LegalDescriptions_Determinations
INNER JOIN [Table#1] A
ON ALD.idAddress = A.idAddress
INNER JOIN [Table#3] LD
ON ALD.idLegalDescription = LD.idLegalDescription
INNER JOIN [Table#4] D
ON ALD.idDetermination = D.idDetermination
WHERE L.idLOMC = @idLOMC
IF @@ROWCOUNT = 0
BEGIN
SELECT @Message = 'dbo.spWrapper: Invalid idLOMC'
GOTO lbl_abort
END
END
/* Insert record into [Table#1] */
IF @idAddress IS NULL
BEGIN
IF @Trancount = 0 BEGIN TRANSACTION
EXEC @RC = [spTable#1]
@idLogin = @idLogin,
@idAddress = @idAddress OUTPUT,
@Street = @Street,
@State = @State,
@City = @City,
@ZipCode5 = @ZipCode5,
@ZipCode4 = @ZipCode4,
@GisCode = @GisCode
SELECT @Error = @@ERROR
IF @RC <> 0 OR @Error <> 0
BEGIN
IF @Trancount = 0 ROLLBACK TRANSACTION
SELECT @Message = 'spWrapper: Error inserting record into [Table#1]'
GOTO lbl_abort
END
END
/* Update record into [Table#1] */
ELSE
BEGIN
IF @Trancount = 0 BEGIN TRANSACTION
EXEC @RC = [spTable#1]
@idLogin = @idLogin,
@idAddress = @idAddress,
@Street = @Street,
@State = @State,
@City = @City,
@ZipCode5 = @ZipCode5,
@ZipCode4 = @ZipCode4,
@GisCode = @GisCode
SELECT @Error = @@ERROR
IF @RC <> 0 OR @Error <> 0
BEGIN
IF @Trancount = 0 ROLLBACK TRANSACTION
SELECT @Message = 'spWrapper: Error updating record in [TspTable#1]'
GOTO lbl_abort
END
END