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0760956561
* Changes varchar(36) columns to UUID type in MSSQL - this will be much more efficient * ===As always, please, please backup your database before applying this patch=== * Thanks Ruud Lathrop (for the patch) and StrawberryFride (for the review)
20 lines
489 B
SQL
20 lines
489 B
SQL
BEGIN TRANSACTION
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CREATE TABLE dbo.Tmp_terrain
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(
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RegionUUID uniqueidentifier NULL,
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Revision int NULL,
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Heightfield image NULL
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) ON [PRIMARY]
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TEXTIMAGE_ON [PRIMARY]
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IF EXISTS(SELECT * FROM dbo.terrain)
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EXEC('INSERT INTO dbo.Tmp_terrain (RegionUUID, Revision, Heightfield)
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SELECT CONVERT(uniqueidentifier, RegionUUID), Revision, Heightfield FROM dbo.terrain WITH (HOLDLOCK TABLOCKX)')
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DROP TABLE dbo.terrain
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EXECUTE sp_rename N'dbo.Tmp_terrain', N'terrain', 'OBJECT'
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COMMIT
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