Learn some manners.

SELECT * FROM gallery2 WHERE topic_id="795984" UNION SELECT * FROM gallery2 WHERE topic_id="1093734" UNION SELECT * FROM gallery2 WHERE topic_id="931313" UNION SELECT * FROM gallery2 WHERE topic_id="1486312" UNION SELECT * FROM gallery2 WHERE topic_id="885679" UNION SELECT * FROM gallery2 WHERE topic_id="617793" UNION SELECT * FROM gallery2 WHERE topic_id="850404" UNION SELECT * FROM gallery2 WHERE topic_id="1217143" UNION SELECT * FROM gallery2 WHERE topic_id="1350705" UNION SELECT * FROM gallery2 WHERE topic_id="1583125" UNION SELECT * FROM gallery2 WHERE topic_id="665259" UNION SELECT * FROM gallery2 WHERE topic_id="21592" UNION SELECT * FROM gallery2 WHERE topic_id="765172" UNION SELECT * FROM gallery2 WHERE topic_id="861293" UNION SELECT * FROM gallery2 WHERE topic_id="257029" UNION SELECT * FROM gallery2 WHERE topic_id="1254121"