5的绝对值到底是负5还是5

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select * from tbl_Articles WHERE ArticleID=146534 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=146534 LIMIT 0,1
select * from tbl_Articles_sphinx where id=146534 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1114502,1124283,1062866,1077100,1027455,1043355,2390057,1057545,1065713,1125544,1067207,1064119,1127098,1053404,1496365,1059338,1062965,1081065,1101629,1091621,1055824,1110067,1061610,1067017,1066526,1066828,1057447,1066090,1123112,1064251) ORDER BY field (ArticleID,1114502,1124283,1062866,1077100,1027455,1043355,2390057,1057545,1065713,1125544,1067207,1064119,1127098,1053404,1496365,1059338,1062965,1081065,1101629,1091621,1055824,1110067,1061610,1067017,1066526,1066828,1057447,1066090,1123112,1064251)