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BEGIN TRANSACTION
CREATE TABLE dbo.Tmp_estate_map
(
RegionID uniqueidentifier NOT NULL DEFAULT ('00000000-0000-0000-0000-000000000000'),
EstateID int NOT NULL
) ON [PRIMARY]
IF EXISTS(SELECT * FROM dbo.estate_map)
EXEC('INSERT INTO dbo.Tmp_estate_map (RegionID, EstateID)
SELECT CONVERT(uniqueidentifier, RegionID), EstateID FROM dbo.estate_map WITH (HOLDLOCK TABLOCKX)')
DROP TABLE dbo.estate_map
EXECUTE sp_rename N'dbo.Tmp_estate_map', N'estate_map', 'OBJECT'
ALTER TABLE dbo.estate_map ADD CONSTRAINT
PK_estate_map PRIMARY KEY CLUSTERED
(
RegionID
) WITH( STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
COMMIT
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