It can save you from thirst

SELECT * FROM gallery2 WHERE topic_id="838503" UNION SELECT * FROM gallery2 WHERE topic_id="1028918" UNION SELECT * FROM gallery2 WHERE topic_id="800447" UNION SELECT * FROM gallery2 WHERE topic_id="475131" UNION SELECT * FROM gallery2 WHERE topic_id="235053" UNION SELECT * FROM gallery2 WHERE topic_id="1347677" UNION SELECT * FROM gallery2 WHERE topic_id="1779379" UNION SELECT * FROM gallery2 WHERE topic_id="1378193" UNION SELECT * FROM gallery2 WHERE topic_id="731138" UNION SELECT * FROM gallery2 WHERE topic_id="72848" UNION SELECT * FROM gallery2 WHERE topic_id="743725" UNION SELECT * FROM gallery2 WHERE topic_id="645691" UNION SELECT * FROM gallery2 WHERE topic_id="65" UNION SELECT * FROM gallery2 WHERE topic_id="1185466" UNION SELECT * FROM gallery2 WHERE topic_id="842331" UNION SELECT * FROM gallery2 WHERE topic_id="1823658"