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MYSQL報錯：1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column

本文轉載自   查看原文   2019-11-30 23:11   267    SQL

1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column
'rpacloudsit.t.app_id' which is not functionally dependent on columns in GROUP BY clause;
this is incompatible with sql_mode=only_full_group_by

MySQL有any_value(field)函數，他主要的作用就是抑制ONLY_FULL_GROUP_BY值被拒絕

官方有介紹，地址：https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_any-value

我們可以把select語句中查詢的屬性（除聚合函數所需的參數外），全部放入any_value(field)函數中；

例如：select name,any_value(sex) from test_table group by name

這樣sql語句不管是在ONLY_FULL_GROUP_BY模式關閉狀態還是在開啟模式都可以正常執行，不被mysql拒絕。


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