/**
* Updates existing rows.
*
* @param array $data Column-value pairs.
* @param array|string $where An SQL WHERE clause, or an array of SQL WHERE clauses.
* @return int The number of rows updated.
*/
public function update(array $data, $where)
{
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
return $this->_db->update($tableSpec, $data, $where);
}
