我正在同时执行多个请求的存储过程然后失败并且我遇到错误。
“违反PRIMARY KEY约束'PK_catalogs_mstr'。无法在对象'dbo.catalogs_mstr'中插入＆gt;重复键。重复键值为＆gt;（1）。\ r \ n语句已终止。”
我的表将Catalog_Code列作为主键，不带自动增量。我试图在存储过程中为此列生成值。
CREATE PROCEDURE [dbo].[usp_CreateCatalogDefination]
@AccountId INT,
@UserId INT,
@CatalogName NVARCHAR(100),
@DataSourceTypeId SMALLINT,
@AttributeGroupId SMALLINT,
@ReferenceCatalogCode INT,
@ImageName NVARCHAR (100),
@ImageFile NVARCHAR (100),
@ImagePath NVARCHAR (100),
@Result int OUTPUT
AS
BEGIN
SET NOCOUNT ON
/* Declaration Block */
DECLARE @ErrorMessage NVARCHAR(4000)
DECLARE @ErrorSeverity INT
DECLARE @ErrorState INT
DECLARE @ValidReferenceCatalogCode INT
BEGIN TRY
BEGIN TRANSACTION
IF EXISTS(SELECT id from accounts_mstr WHERE id=@AccountId AND account_type_id =2) /* Account should be of Seller Type */
BEGIN
IF EXISTS(SELECT id from users_mstr WHERE id=@UserId) /* Check for Valid User Id */
BEGIN
/* Generate Catalog Code */
DECLARE @CatalogCode INT
SET @CatalogCode = (SELECT TOP 1 catalog_code FROM catalogs_mstr Order By catalog_code desc)
IF(@CatalogCode IS NULL)
BEGIN
SET @CatalogCode = 1
END
ELSE
BEGIN
SET @CatalogCode = @CatalogCode + 1
END
IF EXISTS(SELECT id from attribute_groups WHERE id=@AttributeGroupId) /* Check for attribute group */
BEGIN
INSERT INTO [dbo].[catalogs_mstr](
[catalog_code],
[seller_account_id],
[user_id],
[catalog_name],
[datasource_type_id],
[attribute_group_id],
[image_name],
[image_file],
[image_path]
)
VALUES (
@CatalogCode,
@AccountId,
@UserId,
LTRIM(RTRIM(@CatalogName)),
@DataSourceTypeId,
@AttributeGroupId,
LTRIM(RTRIM(@ImageName)),
LTRIM(RTRIM(@ImageFile)),
LTRIM(RTRIM(@ImagePath))
)
COMMIT TRANSACTION
SET @Result=1 /* Success */
RETURN @Result
END
ELSE
BEGIN
ROLLBACK TRANSACTION
SET @Result=2 /* Invalid Attribute Group Id */
RETURN @Result
END
END
ELSE
BEGIN
ROLLBACK TRANSACTION
SET @Result=4 /* Invalid User Id */
RETURN @Result
END
END
ELSE
BEGIN
ROLLBACK TRANSACTION
SET @Result=5 /* Invalid Seller Account Id */
RETURN @Result
END
END TRY
BEGIN CATCH
--USE CATCH BLOCK FOR RAISING ERROR TO APPLICATION END
IF @@TRANCOUNT > 0
ROLLBACK TRANSACTION
SELECT @ErrorMessage = 'Error : ' + HOST_NAME() + ' : ' + OBJECT_NAME(@@PROCID) + ' : '
+ ERROR_MESSAGE(),
@ErrorSeverity = ERROR_SEVERITY(),
@ErrorState = ERROR_STATE();
RAISERROR (
@ErrorMessage,
@ErrorSeverity,
@ErrorState
);
RETURN
END CATCH
SET NOCOUNT OFF
END