dots girls Advent Calendar 2015の出だしからしゃしゃってる吉澤です! 何も考えないで現時点で最新のMySQL5.7.9を開発環境にインストールしたところ、今までみたことの無いエラーが出てしまいました。 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column ’*.*' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
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