| public join ( object $context, object $rel, string $fromAlias = null, string $toAlias = null, mixed $constraints = [] ) | ||
| $context | object | A Query instance |
| $rel | object | A Relationship instance |
| $fromAlias | string | Set a specific alias for the `'from'` `Model`. |
| $toAlias | string | Set a specific alias for `'to'` `Model`. |
| $constraints | mixed | If `$constraints` is an array, it will be merged to defaults constraints. If `$constraints` is an object, defaults won't be merged. |
public function join($context, $rel, $fromAlias = null, $toAlias = null, $constraints = array())
{
$model = $rel->to();
if ($fromAlias === null) {
$fromAlias = $context->alias();
}
if ($toAlias === null) {
$toAlias = $context->alias(null, $rel->name());
}
if (!is_object($constraints)) {
$constraints = $this->on($rel, $fromAlias, $toAlias, $constraints);
} else {
$constraints = (array) $constraints;
}
$context->joins($toAlias, compact('constraints', 'model') + array('mode' => 'LEFT', 'alias' => $toAlias));
}