haz op分析指的是什么

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select * from tbl_Articles WHERE ArticleID=202903 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=202903 LIMIT 0,1
select * from tbl_Articles_sphinx where id=202903 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1072921,1085318,1044673,1081241,1111930,1086262,1104663,1066438,1053684,1106545,1096995,1110870,1075688,1117580,1102298,1118461,1127992,1071203,1108668,1095097,1100308,1085906,1064663,1076554,1065589,1085458,1041958,1064511,1093769,1104455) ORDER BY field (ArticleID,1072921,1085318,1044673,1081241,1111930,1086262,1104663,1066438,1053684,1106545,1096995,1110870,1075688,1117580,1102298,1118461,1127992,1071203,1108668,1095097,1100308,1085906,1064663,1076554,1065589,1085458,1041958,1064511,1093769,1104455)