将分页添加到内部联接laravel

Question

I am getting error on pagination

$writers = $writer::join('categories','categories.id','=','writers.category_id')
    ->where([['categories.category_name', '=', $category]])->paginate(1);

Can anyone tell how to paginate an inner join query.

This is the error message I'm getting:

QueryException in Connection.php line 770: SQLSTATE[42000]: Syntax error or access violation: 1140 Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause (SQL: select count(*) as aggregate from writers` inner join categories on categories.id = writers.category_id where (categories.category_name = Comic))

Answer 1

You need to specify GROUP_BY clause on your query

$writers = Writer::join('categories','categories.id','=','writers.category_id')
   ->where('categories.category_name', '=', $category)
   ->groupBy('writers.id')
   ->paginate(1);

UPDATE

If you still get an error, check your config/database.php. Be sure that in mysql settingsstrict = false

UPDATE 2

strict mode works on mysql starting from 5.7. If you have mysql under 5.7, set strict => false. You can check this link for more information:

Strict mode