微博的repo啥意思

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select * from tbl_Articles WHERE ArticleID=2820586 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2820586 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2820586 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1069497,571622,1064343,805933,1061339,3416594,1093387,1060317,1137253,563096,1497772,384701,496253,1053443,1076628,1071221,899026,699178,81898,1067357,1071562,2446480,1084193,908190,952830,1098195,1048880,1140371,1051619,1082888) ORDER BY field (ArticleID,1069497,571622,1064343,805933,1061339,3416594,1093387,1060317,1137253,563096,1497772,384701,496253,1053443,1076628,1071221,899026,699178,81898,1067357,1071562,2446480,1084193,908190,952830,1098195,1048880,1140371,1051619,1082888)