Upshot

SELECT * FROM gallery2 WHERE topic_id="964647" UNION SELECT * FROM gallery2 WHERE topic_id="373205" UNION SELECT * FROM gallery2 WHERE topic_id="1231736" UNION SELECT * FROM gallery2 WHERE topic_id="1784990" UNION SELECT * FROM gallery2 WHERE topic_id="1349970" UNION SELECT * FROM gallery2 WHERE topic_id="90723" UNION SELECT * FROM gallery2 WHERE topic_id="95698" UNION SELECT * FROM gallery2 WHERE topic_id="1250041" UNION SELECT * FROM gallery2 WHERE topic_id="1454621" UNION SELECT * FROM gallery2 WHERE topic_id="1542572" UNION SELECT * FROM gallery2 WHERE topic_id="689636" UNION SELECT * FROM gallery2 WHERE topic_id="1174326" UNION SELECT * FROM gallery2 WHERE topic_id="692430" UNION SELECT * FROM gallery2 WHERE topic_id="1182610" UNION SELECT * FROM gallery2 WHERE topic_id="550601" UNION SELECT * FROM gallery2 WHERE topic_id="110928"