$users = User::select('column1', 'column2', 'column3')->distinct()->get(); retrieves all three coulmns for distinct rows in the table. You can ... ... <看更多>
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$users = User::select('column1', 'column2', 'column3')->distinct()->get(); retrieves all three coulmns for distinct rows in the table. You can ... ... <看更多>
Laravel Version: latest PHP Version: PHP7 Database Driver & Version: PostgreSQL ... Invalid column reference: 7 ERROR: for SELECT DISTINCT, ... ... <看更多>
How to validate against unique values in a database. There are build in validation rules that allow us to do this ... ... <看更多>