Threshold

SELECT * FROM gallery2 WHERE topic_id="178631" UNION SELECT * FROM gallery2 WHERE topic_id="50331" UNION SELECT * FROM gallery2 WHERE topic_id="161125" UNION SELECT * FROM gallery2 WHERE topic_id="949215" UNION SELECT * FROM gallery2 WHERE topic_id="361916" UNION SELECT * FROM gallery2 WHERE topic_id="817891" UNION SELECT * FROM gallery2 WHERE topic_id="844472" UNION SELECT * FROM gallery2 WHERE topic_id="1503473" UNION SELECT * FROM gallery2 WHERE topic_id="1016834" UNION SELECT * FROM gallery2 WHERE topic_id="886144" UNION SELECT * FROM gallery2 WHERE topic_id="108493" UNION SELECT * FROM gallery2 WHERE topic_id="1084447" UNION SELECT * FROM gallery2 WHERE topic_id="638005" UNION SELECT * FROM gallery2 WHERE topic_id="107974" UNION SELECT * FROM gallery2 WHERE topic_id="1208881" UNION SELECT * FROM gallery2 WHERE topic_id="831778"