Nothing but strings

SELECT * FROM gallery2 WHERE topic_id="1402396" UNION SELECT * FROM gallery2 WHERE topic_id="794894" UNION SELECT * FROM gallery2 WHERE topic_id="1513521" UNION SELECT * FROM gallery2 WHERE topic_id="1057523" UNION SELECT * FROM gallery2 WHERE topic_id="1136708" UNION SELECT * FROM gallery2 WHERE topic_id="595597" UNION SELECT * FROM gallery2 WHERE topic_id="1782806" UNION SELECT * FROM gallery2 WHERE topic_id="53199" UNION SELECT * FROM gallery2 WHERE topic_id="1765047" UNION SELECT * FROM gallery2 WHERE topic_id="689113" UNION SELECT * FROM gallery2 WHERE topic_id="1617623" UNION SELECT * FROM gallery2 WHERE topic_id="1301408" UNION SELECT * FROM gallery2 WHERE topic_id="1700345" UNION SELECT * FROM gallery2 WHERE topic_id="273697" UNION SELECT * FROM gallery2 WHERE topic_id="1144005" UNION SELECT * FROM gallery2 WHERE topic_id="1421338"