Semi

SELECT * FROM gallery2 WHERE topic_id="1505016" UNION SELECT * FROM gallery2 WHERE topic_id="159178" UNION SELECT * FROM gallery2 WHERE topic_id="475593" UNION SELECT * FROM gallery2 WHERE topic_id="1312185" UNION SELECT * FROM gallery2 WHERE topic_id="475291" UNION SELECT * FROM gallery2 WHERE topic_id="2248" UNION SELECT * FROM gallery2 WHERE topic_id="1081974" UNION SELECT * FROM gallery2 WHERE topic_id="1745133" UNION SELECT * FROM gallery2 WHERE topic_id="1139532" UNION SELECT * FROM gallery2 WHERE topic_id="752277" UNION SELECT * FROM gallery2 WHERE topic_id="295176" UNION SELECT * FROM gallery2 WHERE topic_id="637334" UNION SELECT * FROM gallery2 WHERE topic_id="997437" UNION SELECT * FROM gallery2 WHERE topic_id="354023" UNION SELECT * FROM gallery2 WHERE topic_id="299428" UNION SELECT * FROM gallery2 WHERE topic_id="108573"