34 lines
845 B
MySQL
34 lines
845 B
MySQL
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CREATE PROCEDURE [dbo].[sp_LockFree]
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@UserId INT = NULL
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,@UserName NVARCHAR(50) = NULL
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,@ItemId BIGINT = NULL
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,@CategoryId INT
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,@errorNumber INT OUTPUT
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,@errorMessage NVARCHAR(250) OUTPUT
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AS
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BEGIN
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SET @errorNumber = 0
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SET @errorMessage = space(0)
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IF(@UserId) IS NULL
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BEGIN
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IF NOT EXISTS( SELECT ID FROM Users WHERE UserName=@UserName)
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BEGIN
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SET @errorNumber = 2
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SET @errorMessage = 'User not found'
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return -1
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END
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END
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IF NOT EXISTS( SELECT LockId FROM LockedItems WHERE CategoryId=@CategoryId AND ItemId=@ItemId)
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BEGIN
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SET @errorNumber = 3
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SET @errorMessage = 'No lock to free'
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return -1
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END
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ELSE
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BEGIN
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DECLARE @UpdateTime DateTime
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DELETE from LockedItems WHERE CategoryId=@CategoryId AND ItemId=@ItemId
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END
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END
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