本地使用field('*')不报错,上传服务器报错
SQLSTATE[42000]: Syntax error or access violation: 1055 ex
pression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column test.a.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
