User Load (0.9ms) SELECT "users".* FROM "users" WHERE (role = "用户") ActiveRecord::StatementInvalid: PG::Error: ERROR: column "用户" does not exist LINE 1: SELECT "users".* FROM "users" WHERE (role = "用户") ^ : SELECT "users".* FROM "users" WHERE (role = "用户")
用 Postgresql 做数据库。执行了一条查询语句,结果报上面的错,求指点啊,不胜感激!!!