Already leaking

SELECT * FROM gallery2 WHERE topic_id="1442934" UNION SELECT * FROM gallery2 WHERE topic_id="628274" UNION SELECT * FROM gallery2 WHERE topic_id="1349337" UNION SELECT * FROM gallery2 WHERE topic_id="1238473" UNION SELECT * FROM gallery2 WHERE topic_id="663020" UNION SELECT * FROM gallery2 WHERE topic_id="268478" UNION SELECT * FROM gallery2 WHERE topic_id="952499" UNION SELECT * FROM gallery2 WHERE topic_id="1177679" UNION SELECT * FROM gallery2 WHERE topic_id="102544" UNION SELECT * FROM gallery2 WHERE topic_id="1307211" UNION SELECT * FROM gallery2 WHERE topic_id="1781828" UNION SELECT * FROM gallery2 WHERE topic_id="1553331" UNION SELECT * FROM gallery2 WHERE topic_id="304810" UNION SELECT * FROM gallery2 WHERE topic_id="1517886" UNION SELECT * FROM gallery2 WHERE topic_id="1243850" UNION SELECT * FROM gallery2 WHERE topic_id="1787466"