Annoir - Unwind

SELECT * FROM gallery2 WHERE topic_id="1778630" UNION SELECT * FROM gallery2 WHERE topic_id="785814" UNION SELECT * FROM gallery2 WHERE topic_id="1726981" UNION SELECT * FROM gallery2 WHERE topic_id="723808" UNION SELECT * FROM gallery2 WHERE topic_id="406967" UNION SELECT * FROM gallery2 WHERE topic_id="1335420" UNION SELECT * FROM gallery2 WHERE topic_id="1224929" UNION SELECT * FROM gallery2 WHERE topic_id="1047897" UNION SELECT * FROM gallery2 WHERE topic_id="1575924" UNION SELECT * FROM gallery2 WHERE topic_id="934726" UNION SELECT * FROM gallery2 WHERE topic_id="1464815" UNION SELECT * FROM gallery2 WHERE topic_id="299104" UNION SELECT * FROM gallery2 WHERE topic_id="883433" UNION SELECT * FROM gallery2 WHERE topic_id="645159" UNION SELECT * FROM gallery2 WHERE topic_id="1091587" UNION SELECT * FROM gallery2 WHERE topic_id="389424"