Overflowing

SELECT * FROM gallery2 WHERE topic_id="1463862" UNION SELECT * FROM gallery2 WHERE topic_id="452715" UNION SELECT * FROM gallery2 WHERE topic_id="1175772" UNION SELECT * FROM gallery2 WHERE topic_id="1254320" UNION SELECT * FROM gallery2 WHERE topic_id="7843" UNION SELECT * FROM gallery2 WHERE topic_id="1605993" UNION SELECT * FROM gallery2 WHERE topic_id="1053659" UNION SELECT * FROM gallery2 WHERE topic_id="580673" UNION SELECT * FROM gallery2 WHERE topic_id="658537" UNION SELECT * FROM gallery2 WHERE topic_id="831733" UNION SELECT * FROM gallery2 WHERE topic_id="1367922" UNION SELECT * FROM gallery2 WHERE topic_id="1797576" UNION SELECT * FROM gallery2 WHERE topic_id="877713" UNION SELECT * FROM gallery2 WHERE topic_id="204241" UNION SELECT * FROM gallery2 WHERE topic_id="1168834" UNION SELECT * FROM gallery2 WHERE topic_id="808579"