protected function joinManyToManyRelation(Relations\BelongsToMany $relation, $type)
{
$pivotTable = $relation->getTable();
// $relation->getQualifiedParentKeyName() is protected
$parentKey = $relation->getParent()->getQualifiedKeyName();
$localKey = $relation->getOtherKey();
$this->query->join($pivotTable, $localKey, '=', $parentKey, $type);
$related = $relation->getRelated();
$foreignKey = $relation->getForeignKey();
$relatedTable = $related->getTable();
$relatedKey = $related->getQualifiedKeyName();
$this->query->join($relatedTable, $foreignKey, '=', $relatedKey, $type);
}
protected function applyBelongsToMany(Query $query, Model $model, BelongsToMany $belongsToMany, $name)
{
if (isset($this->joinClasses[$name])) {
return;
}
$modelTable = $model->getTable();
$related = $belongsToMany->getRelated();
$pivotTable = $belongsToMany->getTable();
$pivotAlias = $pivotTable . '_pivot';
$pivotLocalKey = $belongsToMany->getOtherKey();
$relatedTable = $related->getTable();
$relationKey = $related->getKeyName();
$foreignKey = $belongsToMany->getForeignKey();
$qualifiedLocalKey = $belongsToMany->getQualifiedParentKeyName();
$alias = $this->joinNameToAlias($name);
$joinMethod = $this->getJoinMethod($name);
$query->{$joinMethod}("{$pivotTable}", "{$qualifiedLocalKey}", '=', "{$foreignKey}");
$query->{$joinMethod}("{$relatedTable} AS {$alias}", "{$relatedTable}.{$relationKey}", '=', "{$pivotLocalKey}");
$query->distinct();
$this->joinClasses[$name] = $related;
$this->joinTable[$name] = $relatedTable;
$this->joinAliases[$name] = $alias;
}