CREATE TABLE migr_message_map ( old_message_id char(6) NOT NULL, new_message_id integer NOT NULL, package_id integer, PRIMARY KEY (old_message_id,new_message_id) ); CREATE UNIQUE INDEX migr_message__new_message_i_key ON migr_message_map (new_message_id); -- Table size: 1,155,072 bytes -- Table rows: 26,020