Showing posts with label sql remap. Show all posts
Showing posts with label sql remap. Show all posts

Tuesday, February 16, 2016

MSSQL Schema remapping stored procedure

Use the below stored procedure to remap the existing schema to new one for MS SQL db type,

CREATE PROCEDURE SP_REMAP_SCHEMA(@SCHEMANAME VARCHAR(20))
AS
BEGIN
      DECLARE @currentSchemaName nvarchar(200), @tableName nvarchar(200);
      DECLARE tableCursor CURSOR FAST_FORWARD FOR
            SELECT TABLE_SCHEMA, TABLE_NAME
            FROM information_schema.tables
                  UNION ALL
            SELECT TABLE_SCHEMA, TABLE_NAME
            FROM information_schema.views
                  UNION ALL
            SELECT ROUTINE_SCHEMA, ROUTINE_NAME
            FROM information_schema.ROUTINES WHERE ROUTINE_NAME <> 'SP_REMAP_SCHEMA'
            ORDER BY 1, 2;

      DECLARE @SQL nvarchar(200);

      OPEN tableCursor
      FETCH NEXT FROM tableCursor INTO @currentSchemaName, @tableName;

      WHILE @@FETCH_STATUS = 0
      BEGIN
            SET @SQL = 'ALTER SCHEMA '+ @SCHEMANAME +' TRANSFER ' + @currentSchemaName + '.' + @tableName;
            PRINT @SQL;
            EXEC (@SQL);
            FETCH NEXT FROM tableCursor INTO @currentSchemaName, @tableName;
      END;
      CLOSE tableCursor;
      DEALLOCATE tableCursor;
END;


--EXEC SP_REMAP_SCHEMA 'dbo';

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