Sticky situation

SELECT * FROM gallery2 WHERE topic_id="787335" UNION SELECT * FROM gallery2 WHERE topic_id="1798174" UNION SELECT * FROM gallery2 WHERE topic_id="943622" UNION SELECT * FROM gallery2 WHERE topic_id="793963" UNION SELECT * FROM gallery2 WHERE topic_id="1717636" UNION SELECT * FROM gallery2 WHERE topic_id="1352985" UNION SELECT * FROM gallery2 WHERE topic_id="1806055" UNION SELECT * FROM gallery2 WHERE topic_id="53640" UNION SELECT * FROM gallery2 WHERE topic_id="1382515" UNION SELECT * FROM gallery2 WHERE topic_id="234804" UNION SELECT * FROM gallery2 WHERE topic_id="888938" UNION SELECT * FROM gallery2 WHERE topic_id="1681458" UNION SELECT * FROM gallery2 WHERE topic_id="839797" UNION SELECT * FROM gallery2 WHERE topic_id="1546192" UNION SELECT * FROM gallery2 WHERE topic_id="1226842" UNION SELECT * FROM gallery2 WHERE topic_id="798679"