You can call shotgun

SELECT * FROM gallery2 WHERE topic_id="1178716" UNION SELECT * FROM gallery2 WHERE topic_id="1794117" UNION SELECT * FROM gallery2 WHERE topic_id="99540" UNION SELECT * FROM gallery2 WHERE topic_id="447950" UNION SELECT * FROM gallery2 WHERE topic_id="1000716" UNION SELECT * FROM gallery2 WHERE topic_id="319402" UNION SELECT * FROM gallery2 WHERE topic_id="869253" UNION SELECT * FROM gallery2 WHERE topic_id="856622" UNION SELECT * FROM gallery2 WHERE topic_id="1768513" UNION SELECT * FROM gallery2 WHERE topic_id="1204670" UNION SELECT * FROM gallery2 WHERE topic_id="1626258" UNION SELECT * FROM gallery2 WHERE topic_id="1786280" UNION SELECT * FROM gallery2 WHERE topic_id="997907" UNION SELECT * FROM gallery2 WHERE topic_id="803012" UNION SELECT * FROM gallery2 WHERE topic_id="1739063" UNION SELECT * FROM gallery2 WHERE topic_id="456175"