/**
* This method is currently private in accordance with the rule that
* factory methods should have no arguments (thus it is easier to determine
* which nodes are leaf nodes).
*/
private function addJoin($joinType)
{
$from = $this->getChildOfType(QBConstants::NT_FROM);
$curSource = $from->getChild(QBConstants::NT_SOURCE);
$src = new SourceJoin($this, $joinType);
$src->left()->addChild($curSource);
$from->setChild($src);
return $src;
}
protected function walkSourceJoin(SourceJoin $node)
{
$left = $this->dispatch($node->getChildOfType(QBConstants::NT_SOURCE_JOIN_LEFT));
$right = $this->dispatch($node->getChildOfType(QBConstants::NT_SOURCE_JOIN_RIGHT));
$cond = $this->dispatch($node->getChildOfType(QBConstants::NT_SOURCE_JOIN_CONDITION_FACTORY));
$join = $this->qomf()->join($left, $right, $node->getJoinType(), $cond);
return $join;
}
