20 lines
634 B
PHP
20 lines
634 B
PHP
<?php
|
|
// finding all users which don't belong to any group 1
|
|
$query = "FROM User WHERE User.id NOT IN
|
|
(SELECT u.id FROM User u
|
|
INNER JOIN u.Group g WHERE g.id = ?";
|
|
|
|
$users = $conn->query($query, array(1));
|
|
|
|
// finding all users which don't belong to any groups
|
|
// Notice:
|
|
// the usage of INNER JOIN
|
|
// the usage of empty brackets preceding the Group component
|
|
|
|
$query = "FROM User WHERE User.id NOT IN
|
|
(SELECT u.id FROM User u
|
|
INNER JOIN u.Group g)";
|
|
|
|
$users = $conn->query($query);
|
|
?>
|