Primitive

SELECT * FROM gallery2 WHERE topic_id="18255" UNION SELECT * FROM gallery2 WHERE topic_id="407384" UNION SELECT * FROM gallery2 WHERE topic_id="1367743" UNION SELECT * FROM gallery2 WHERE topic_id="1601758" UNION SELECT * FROM gallery2 WHERE topic_id="987574" UNION SELECT * FROM gallery2 WHERE topic_id="512452" UNION SELECT * FROM gallery2 WHERE topic_id="553670" UNION SELECT * FROM gallery2 WHERE topic_id="110401" UNION SELECT * FROM gallery2 WHERE topic_id="937841" UNION SELECT * FROM gallery2 WHERE topic_id="595074" UNION SELECT * FROM gallery2 WHERE topic_id="934009" UNION SELECT * FROM gallery2 WHERE topic_id="447430" UNION SELECT * FROM gallery2 WHERE topic_id="166761" UNION SELECT * FROM gallery2 WHERE topic_id="649038" UNION SELECT * FROM gallery2 WHERE topic_id="764749" UNION SELECT * FROM gallery2 WHERE topic_id="692810"