Running time

SELECT * FROM gallery2 WHERE topic_id="1765848" UNION SELECT * FROM gallery2 WHERE topic_id="1328319" UNION SELECT * FROM gallery2 WHERE topic_id="622077" UNION SELECT * FROM gallery2 WHERE topic_id="1665158" UNION SELECT * FROM gallery2 WHERE topic_id="970652" UNION SELECT * FROM gallery2 WHERE topic_id="457721" UNION SELECT * FROM gallery2 WHERE topic_id="1245118" UNION SELECT * FROM gallery2 WHERE topic_id="1824761" UNION SELECT * FROM gallery2 WHERE topic_id="779777" UNION SELECT * FROM gallery2 WHERE topic_id="1725398" UNION SELECT * FROM gallery2 WHERE topic_id="1450551" UNION SELECT * FROM gallery2 WHERE topic_id="369541" UNION SELECT * FROM gallery2 WHERE topic_id="1287316" UNION SELECT * FROM gallery2 WHERE topic_id="215059" UNION SELECT * FROM gallery2 WHERE topic_id="129994" UNION SELECT * FROM gallery2 WHERE topic_id="979671"