c盘为什么选择不了扩展卷

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select * from tbl_Articles WHERE ArticleID=244357 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=244357 LIMIT 0,1
select * from tbl_Articles_sphinx where id=244357 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1123629,1117766,1062728,1092038,767979,1127649,1090246,1041781,1092189,1300577,1129777,1076786,1085798,1493313,1378204,1066324,1420658,1372281,1119642,1492590,1129655,3244996,2819432,3275185,1062706,1084211,1130208,1986260,1067025,1609567) ORDER BY field (ArticleID,1123629,1117766,1062728,1092038,767979,1127649,1090246,1041781,1092189,1300577,1129777,1076786,1085798,1493313,1378204,1066324,1420658,1372281,1119642,1492590,1129655,3244996,2819432,3275185,1062706,1084211,1130208,1986260,1067025,1609567)