/**
* Returns all rows of given table
* @param string $table
* @throws SPException
* @return array
*/
public function getColumns($table)
{
static $cache = array();
if (!isset($cache[$table])) {
$this->setQuery("SHOW COLUMNS FROM {$table}");
try {
$cache[$table] = $this->loadResultArray();
} catch (Exception $e) {
}
if ($this->db->getErrorNum()) {
throw new SPException($this->db->stderr());
}
}
return $cache[$table];
}