UPDATE bm.events as tmp1  SET text = (SELECT text FROM textbm.events WHERE id = tmp1.id)  WHERE (SELECT count(*) FROM textbm.events WHERE id = tmp1.id)  > 0;

UPDATE bm.events as tmp1  SET shorttext = (SELECT shorttext FROM textbm.events WHERE id = tmp1.id)  WHERE (SELECT count(*) FROM textbm.events WHERE id = tmp1.id)  > 0;