I have certain...needs.

SELECT * FROM gallery2 WHERE topic_id="1808834" UNION SELECT * FROM gallery2 WHERE topic_id="945401" UNION SELECT * FROM gallery2 WHERE topic_id="1506048" UNION SELECT * FROM gallery2 WHERE topic_id="1474579" UNION SELECT * FROM gallery2 WHERE topic_id="1027283" UNION SELECT * FROM gallery2 WHERE topic_id="1222742" UNION SELECT * FROM gallery2 WHERE topic_id="1223489" UNION SELECT * FROM gallery2 WHERE topic_id="764110" UNION SELECT * FROM gallery2 WHERE topic_id="812438" UNION SELECT * FROM gallery2 WHERE topic_id="529672" UNION SELECT * FROM gallery2 WHERE topic_id="1461697" UNION SELECT * FROM gallery2 WHERE topic_id="152648" UNION SELECT * FROM gallery2 WHERE topic_id="38820" UNION SELECT * FROM gallery2 WHERE topic_id="1473917" UNION SELECT * FROM gallery2 WHERE topic_id="1422133" UNION SELECT * FROM gallery2 WHERE topic_id="1234210"