function HandlerBase::getJoin

Get the join object that should be used for this handler.

This method isn't used a great deal, but it's very handy for easily getting the join if it is necessary to make some changes to it, such as adding an 'extra'.

Overrides ViewsHandlerInterface::getJoin

File

core/modules/views/src/Plugin/views/HandlerBase.php, line 681

Class

HandlerBase

Base class for Views handler plugins.

Namespace

Code

public function getJoin() {
  // Get the join from this table that links back to the base table.
  // Determine the primary table to seek
  if (empty($this->query->relationships[$this->relationship])) {
    $base_table = $this->view->storage
      ->get('base_table');
  }
  else {
    $base_table = $this->query->relationships[$this->relationship]['base'];
  }
  $join = $this->getTableJoin($this->table, $base_table);
  if ($join) {
    return clone $join;
  }
}