php - Wordpress custom leftjoin on two tables -


i'm new idea of left-joining.

i have created 2 custom tables within wordpress database. 1 detail (containing leads) , 1 storing car dealers.

when send lead cardealer, store id of cardealer column "sent_to" in detail table. want show car dealers have received each lead.

and here comes leftjoin:

global $wpdb;  $cardealers = $wpdb->get_results(      "select detail.name, cardealers.user_id     detail     left join cardealers on  cardealers.user_id = detail.sent_to" );

and how try input results:

foreach($cardealers $cardealer) {     $name = $row->name;     echo $name; }

but can guess, nothing happens.

hope can help.


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