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declare @DeleteMigrationHistory bit = 0 /* TODO */ declare @DoubleBar varchar(100) = '/*===============================================================================================*/' /*===============================================================================================*/ /* Drop Foreign Keys */ /*===============================================================================================*/ select distinct Sort1 = 10 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = @DoubleBar union select distinct Sort1 = 11 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = '/* Disable Foreign Keys */' union select distinct Sort1 = 12 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = @DoubleBar union select distinct Sort1 = 13 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = 'ALTER TABLE [' + onSchema.name + '].[' + onTable.name + '] DROP CONSTRAINT [' + foreignKey.name + ']' from sysforeignkeys fk inner join sysobjects foreignKey on foreignKey.id = fk.constid inner join sys.objects onTable on fk.fkeyid = onTable.object_id inner join sys.schemas onSchema on onSchema.schema_id = onTable.schema_id inner join sysobjects againstTable on fk.rkeyid = againstTable.id where 1=1 AND againstTable.TYPE = 'U' AND onTable.TYPE = 'U' /*===============================================================================================*/ /* Drop Tables */ /*===============================================================================================*/ union select distinct Sort1 = 20 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = @DoubleBar union select distinct Sort1 = 21 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = '/* Drop Tables */' union select distinct Sort1 = 22 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = @DoubleBar union select distinct Sort1 = 23 ,Sort2 = '' ,Sort3 = 10 ,SqlCode = 'drop table [' + s.name + '].[' + o.name + ']' FROM sys.objects o inner join sys.schemas s on o.schema_id = s.schema_id where 1=1 and o.type = 'U' and (@DeleteMigrationHistory = 1 or o.name not in ('__MigrationHistory', '__EFMigrationsHistory')) order by Sort1, Sort2
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