chained

SELECT * FROM gallery2 WHERE topic_id="1405243" UNION SELECT * FROM gallery2 WHERE topic_id="1157696" UNION SELECT * FROM gallery2 WHERE topic_id="1352856" UNION SELECT * FROM gallery2 WHERE topic_id="1723200" UNION SELECT * FROM gallery2 WHERE topic_id="640786" UNION SELECT * FROM gallery2 WHERE topic_id="391213" UNION SELECT * FROM gallery2 WHERE topic_id="1605135" UNION SELECT * FROM gallery2 WHERE topic_id="1550605" UNION SELECT * FROM gallery2 WHERE topic_id="521133" UNION SELECT * FROM gallery2 WHERE topic_id="881224" UNION SELECT * FROM gallery2 WHERE topic_id="1581615" UNION SELECT * FROM gallery2 WHERE topic_id="45377" UNION SELECT * FROM gallery2 WHERE topic_id="817061" UNION SELECT * FROM gallery2 WHERE topic_id="1133021" UNION SELECT * FROM gallery2 WHERE topic_id="146452" UNION SELECT * FROM gallery2 WHERE topic_id="973971"