/**
* Get the list of columns with associated aliases
*/
public function columnNamesWithAliasForExtract()
{
if (empty($this->_columnNamesWithAliasForExtract)) {
foreach ($this->_model->getColumns() as $i => $col) {
$this->_columnNamesWithAliasForExtract[] = array($col, $this->aliasedPrefix() . '_R' . $i);
}
}
return $this->_columnNamesWithAliasForExtract;
}
