作茧自缚是什么意思啊

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select * from tbl_Articles WHERE ArticleID=628691 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=628691 LIMIT 0,1
select * from tbl_Articles_sphinx where id=628691 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1112981,860739,1113135,386213,416831,1092341,2981419,1085268,3108556,385619,3092959,3396719,2123900,412162,393942,365728,392693,406421,1115439,3120012,378929,426516,2558676,407976,372702,1115317,1002224,1112832,360676,1161495) ORDER BY field (ArticleID,1112981,860739,1113135,386213,416831,1092341,2981419,1085268,3108556,385619,3092959,3396719,2123900,412162,393942,365728,392693,406421,1115439,3120012,378929,426516,2558676,407976,372702,1115317,1002224,1112832,360676,1161495)