虚线框obj什么意思

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select * from tbl_Articles WHERE ArticleID=853661 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=853661 LIMIT 0,1
select * from tbl_Articles_sphinx where id=853661 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(941124,620614,1120867,1140101,853991,599405,854648,1074738,1050236,1172793,1112089,492506,1163557,1136191,580549,662083,1047873,1069613,745189,1082011,1071347,419485,686051,1162906,757833,606238,407432,1158123,1091309,1154312) ORDER BY field (ArticleID,941124,620614,1120867,1140101,853991,599405,854648,1074738,1050236,1172793,1112089,492506,1163557,1136191,580549,662083,1047873,1069613,745189,1082011,1071347,419485,686051,1162906,757833,606238,407432,1158123,1091309,1154312)