Weakness detected

SELECT * FROM gallery2 WHERE topic_id="1790011" UNION SELECT * FROM gallery2 WHERE topic_id="1597044" UNION SELECT * FROM gallery2 WHERE topic_id="1825866" UNION SELECT * FROM gallery2 WHERE topic_id="1025834" UNION SELECT * FROM gallery2 WHERE topic_id="1212717" UNION SELECT * FROM gallery2 WHERE topic_id="902211" UNION SELECT * FROM gallery2 WHERE topic_id="217342" UNION SELECT * FROM gallery2 WHERE topic_id="1464402" UNION SELECT * FROM gallery2 WHERE topic_id="124585" UNION SELECT * FROM gallery2 WHERE topic_id="86198" UNION SELECT * FROM gallery2 WHERE topic_id="1729067" UNION SELECT * FROM gallery2 WHERE topic_id="48174" UNION SELECT * FROM gallery2 WHERE topic_id="1722017" UNION SELECT * FROM gallery2 WHERE topic_id="263836" UNION SELECT * FROM gallery2 WHERE topic_id="681345" UNION SELECT * FROM gallery2 WHERE topic_id="635591"