DO $$
BEGIN ALTER TABLE {SCHEMA_NAME}.postjobs DROP COLUMN processing_client; EXCEPTION WHEN undefined_column THEN RAISE DEBUG 'column {SCHEMA_NAME}.postjobs.processing_client already dropped'; END;
$$;
DO $$
BEGIN ALTER TABLE {SCHEMA_NAME}.postjobs DROP COLUMN processing_client_identifier; EXCEPTION WHEN undefined_column THEN RAISE DEBUG 'column {SCHEMA_NAME}.postjobs.processing_client_identifier already dropped'; END;
$$;
DO $$
BEGIN ALTER TABLE {SCHEMA_NAME}.postjobs DROP COLUMN processing_started_at; EXCEPTION WHEN undefined_column THEN RAISE DEBUG 'column {SCHEMA_NAME}.postjobs.processing_started_at already dropped'; END;
$$;
DO $$
BEGIN ALTER TABLE {SCHEMA_NAME}.postjobs DROP COLUMN processing_max_duration; EXCEPTION WHEN undefined_column THEN RAISE DEBUG 'column {SCHEMA_NAME}.postjobs.processing_max_duration already dropped'; END;
$$;