如何求函数值域方法

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select * from tbl_Articles WHERE ArticleID=1521410 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1521410 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1521410 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1077000,1960864,811799,1102300,1112839,1095928,230936,3309148,1121684,2777061,1098207,1068262,1494983,755132,2404160,603315,1861737,1095700,410387,1613605,1122956,3370706,1548223,1079728,1759139,1128375,306724,2872411,1054610,2473970) ORDER BY field (ArticleID,1077000,1960864,811799,1102300,1112839,1095928,230936,3309148,1121684,2777061,1098207,1068262,1494983,755132,2404160,603315,1861737,1095700,410387,1613605,1122956,3370706,1548223,1079728,1759139,1128375,306724,2872411,1054610,2473970)