CPI的正确认识

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select * from tbl_Articles_data WHERE ArticleID=252899 LIMIT 0,1
select * from tbl_Articles_sphinx where id=252899 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081197,1093140,1493289,1117003,1098207,1063641,1083113,1089820,1113337,1094661,1069741,1068118,1110586,1103895,1104847,1101745,1116813,1119720,1118481,1064449,1112702,1046772,1082363,1091625,1076029,1095888,1096989,1061044,1115501,1122759) ORDER BY field (ArticleID,1081197,1093140,1493289,1117003,1098207,1063641,1083113,1089820,1113337,1094661,1069741,1068118,1110586,1103895,1104847,1101745,1116813,1119720,1118481,1064449,1112702,1046772,1082363,1091625,1076029,1095888,1096989,1061044,1115501,1122759)