Voici un petit script SQL pour supprimer tous les objets d’un schéma d’une base de données SQL Server :
declare @SchemaName varchar(100) = 'stg' -- Put the schema name declare @WorkTest char(1) = 'w' -- use 'w' to work and 't' to print declare @SQL varchar(4000) declare @msg varchar(500) IF OBJECT_ID('tempdb..#dropcode') IS NOT NULL DROP TABLE #dropcode CREATE TABLE #dropcode ( ID int identity(1,1) ,SQLstatement varchar(1000) ) -- removes all the foreign keys that reference a PK in the target schema SELECT @SQL = 'select '' ALTER TABLE ''+SCHEMA_NAME(fk.schema_id)+''.''+OBJECT_NAME(fk.parent_object_id)+'' DROP CONSTRAINT ''+ fk.name FROM sys.foreign_keys fk join sys.tables t on t.object_id = fk.referenced_object_id where t.schema_id = schema_id(''' + @SchemaName+''') and fk.schema_id <> t.schema_id order by fk.name desc' IF @WorkTest = 't' PRINT (@SQL ) INSERT INTO #dropcode EXEC (@SQL) -- drop all default constraints, check constraints and Foreign Keys SELECT @SQL = 'SELECT '' ALTER TABLE ''+schema_name(t.schema_id)+''.''+OBJECT_NAME(fk.parent_object_id)+'' DROP CONSTRAINT ''+ fk.[Name] FROM sys.objects fk join sys.tables t on t.object_id = fk.parent_object_id where t.schema_id = schema_id(''' + @SchemaName+''') and fk.type IN (''D'', ''C'', ''F'')' IF @WorkTest = 't' PRINT (@SQL ) INSERT INTO #dropcode EXEC (@SQL) -- drop all other objects in order SELECT @SQL = 'SELECT CASE WHEN SO.type=''PK'' THEN '' ALTER TABLE ''+SCHEMA_NAME(SO.schema_id)+''.''+OBJECT_NAME(SO.parent_object_id)+'' DROP CONSTRAINT ''+ SO.name WHEN SO.type=''U'' THEN '' DROP TABLE ''+SCHEMA_NAME(SO.schema_id)+''.''+ SO.[Name] WHEN SO.type=''V'' THEN '' DROP VIEW ''+SCHEMA_NAME(SO.schema_id)+''.''+ SO.[Name] WHEN SO.type=''P'' THEN '' DROP PROCEDURE ''+SCHEMA_NAME(SO.schema_id)+''.''+ SO.[Name] WHEN SO.type=''TR'' THEN '' DROP TRIGGER ''+SCHEMA_NAME(SO.schema_id)+''.''+ SO.[Name] WHEN SO.type IN (''FN'', ''TF'',''IF'',''FS'',''FT'') THEN '' DROP FUNCTION ''+SCHEMA_NAME(SO.schema_id)+''.''+ SO.[Name] END FROM SYS.OBJECTS SO WHERE SO.schema_id = schema_id('''+ @SchemaName +''') AND SO.type IN (''PK'', ''FN'', ''TF'', ''TR'', ''V'', ''U'', ''P'') ORDER BY CASE WHEN type = ''PK'' THEN 1 WHEN type in (''FN'', ''TF'', ''P'',''IF'',''FS'',''FT'') THEN 2 WHEN type = ''TR'' THEN 3 WHEN type = ''V'' THEN 4 WHEN type = ''U'' THEN 5 ELSE 6 END' IF @WorkTest = 't' PRINT (@SQL ) INSERT INTO #dropcode EXEC (@SQL) DECLARE @ID int, @statement varchar(1000) DECLARE statement_cursor CURSOR FOR SELECT SQLStatement FROM #dropcode ORDER BY ID ASC OPEN statement_cursor FETCH statement_cursor INTO @statement WHILE (@@FETCH_STATUS = 0) BEGIN IF @WorkTest = 't' PRINT (@statement) ELSE BEGIN PRINT (@statement) EXEC(@statement) END FETCH statement_cursor INTO @statement END CLOSE statement_cursor DEALLOCATE statement_cursor IF @WorkTest = 't' PRINT ('DROP SCHEMA '+@SchemaName) ELSE BEGIN PRINT ('DROP SCHEMA '+@SchemaName) EXEC ('DROP SCHEMA '+@SchemaName) END PRINT '------- ALL - DONE -------'
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