扇形统计图给出的数据准确吗?为什么?

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select * from tbl_Articles WHERE ArticleID=3480285 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3480285 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3480285 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(921858,961712,637099,361131,1172499,513323,523578,459954,905192,650080,810284,1081200,1313770,998159,817501,772073,374533,934662,644018,1067652,764233,556467,529243,569893,634199,937028,81369,380365,782645,730272) ORDER BY field (ArticleID,921858,961712,637099,361131,1172499,513323,523578,459954,905192,650080,810284,1081200,1313770,998159,817501,772073,374533,934662,644018,1067652,764233,556467,529243,569893,634199,937028,81369,380365,782645,730272)