magic number

SELECT * FROM gallery2 WHERE topic_id="792294" UNION SELECT * FROM gallery2 WHERE topic_id="623609" UNION SELECT * FROM gallery2 WHERE topic_id="416838" UNION SELECT * FROM gallery2 WHERE topic_id="494112" UNION SELECT * FROM gallery2 WHERE topic_id="1394320" UNION SELECT * FROM gallery2 WHERE topic_id="1491944" UNION SELECT * FROM gallery2 WHERE topic_id="1058656" UNION SELECT * FROM gallery2 WHERE topic_id="165417" UNION SELECT * FROM gallery2 WHERE topic_id="1148240" UNION SELECT * FROM gallery2 WHERE topic_id="1577522" UNION SELECT * FROM gallery2 WHERE topic_id="1187153" UNION SELECT * FROM gallery2 WHERE topic_id="41244" UNION SELECT * FROM gallery2 WHERE topic_id="1627422" UNION SELECT * FROM gallery2 WHERE topic_id="848273" UNION SELECT * FROM gallery2 WHERE topic_id="1194349" UNION SELECT * FROM gallery2 WHERE topic_id="278648"