Looking for a real sub

SELECT * FROM gallery2 WHERE topic_id="1592711" UNION SELECT * FROM gallery2 WHERE topic_id="671034" UNION SELECT * FROM gallery2 WHERE topic_id="1624115" UNION SELECT * FROM gallery2 WHERE topic_id="794389" UNION SELECT * FROM gallery2 WHERE topic_id="109404" UNION SELECT * FROM gallery2 WHERE topic_id="998067" UNION SELECT * FROM gallery2 WHERE topic_id="1516786" UNION SELECT * FROM gallery2 WHERE topic_id="179902" UNION SELECT * FROM gallery2 WHERE topic_id="952922" UNION SELECT * FROM gallery2 WHERE topic_id="970764" UNION SELECT * FROM gallery2 WHERE topic_id="454728" UNION SELECT * FROM gallery2 WHERE topic_id="1192208" UNION SELECT * FROM gallery2 WHERE topic_id="1069070" UNION SELECT * FROM gallery2 WHERE topic_id="1228639" UNION SELECT * FROM gallery2 WHERE topic_id="467415" UNION SELECT * FROM gallery2 WHERE topic_id="1069272"