Perfect

SELECT * FROM gallery2 WHERE topic_id="1270005" UNION SELECT * FROM gallery2 WHERE topic_id="269153" UNION SELECT * FROM gallery2 WHERE topic_id="677031" UNION SELECT * FROM gallery2 WHERE topic_id="965371" UNION SELECT * FROM gallery2 WHERE topic_id="1808480" UNION SELECT * FROM gallery2 WHERE topic_id="1118581" UNION SELECT * FROM gallery2 WHERE topic_id="1362807" UNION SELECT * FROM gallery2 WHERE topic_id="1196918" UNION SELECT * FROM gallery2 WHERE topic_id="1645105" UNION SELECT * FROM gallery2 WHERE topic_id="1023642" UNION SELECT * FROM gallery2 WHERE topic_id="674051" UNION SELECT * FROM gallery2 WHERE topic_id="1696274" UNION SELECT * FROM gallery2 WHERE topic_id="381951" UNION SELECT * FROM gallery2 WHERE topic_id="1281998" UNION SELECT * FROM gallery2 WHERE topic_id="34808" UNION SELECT * FROM gallery2 WHERE topic_id="492987"