Lovely Injection

SELECT * FROM gallery2 WHERE topic_id="1210227" UNION SELECT * FROM gallery2 WHERE topic_id="281251" UNION SELECT * FROM gallery2 WHERE topic_id="1777896" UNION SELECT * FROM gallery2 WHERE topic_id="1663016" UNION SELECT * FROM gallery2 WHERE topic_id="404649" UNION SELECT * FROM gallery2 WHERE topic_id="740524" UNION SELECT * FROM gallery2 WHERE topic_id="211714" UNION SELECT * FROM gallery2 WHERE topic_id="644643" UNION SELECT * FROM gallery2 WHERE topic_id="380922" UNION SELECT * FROM gallery2 WHERE topic_id="1125613" UNION SELECT * FROM gallery2 WHERE topic_id="1573749" UNION SELECT * FROM gallery2 WHERE topic_id="842366" UNION SELECT * FROM gallery2 WHERE topic_id="491417" UNION SELECT * FROM gallery2 WHERE topic_id="735825" UNION SELECT * FROM gallery2 WHERE topic_id="503509" UNION SELECT * FROM gallery2 WHERE topic_id="39935"