Mix match

SELECT * FROM gallery2 WHERE topic_id="1790946" UNION SELECT * FROM gallery2 WHERE topic_id="303024" UNION SELECT * FROM gallery2 WHERE topic_id="1694911" UNION SELECT * FROM gallery2 WHERE topic_id="1273745" UNION SELECT * FROM gallery2 WHERE topic_id="387803" UNION SELECT * FROM gallery2 WHERE topic_id="266176" UNION SELECT * FROM gallery2 WHERE topic_id="1176477" UNION SELECT * FROM gallery2 WHERE topic_id="497686" UNION SELECT * FROM gallery2 WHERE topic_id="318141" UNION SELECT * FROM gallery2 WHERE topic_id="1570789" UNION SELECT * FROM gallery2 WHERE topic_id="1283257" UNION SELECT * FROM gallery2 WHERE topic_id="162829" UNION SELECT * FROM gallery2 WHERE topic_id="1037038" UNION SELECT * FROM gallery2 WHERE topic_id="741755" UNION SELECT * FROM gallery2 WHERE topic_id="1150388" UNION SELECT * FROM gallery2 WHERE topic_id="1000346"