/** * 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; }