function dropAutovacuum($table)
{
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($table);
return $this->execute("\n\t\t\tALTER TABLE \"{$f_schema}\".\"{$table}\" RESET (autovacuum_enabled, autovacuum_vacuum_threshold,\n\t\t\t\tautovacuum_vacuum_scale_factor, autovacuum_analyze_threshold, autovacuum_analyze_scale_factor,\n\t\t\t\tautovacuum_vacuum_cost_delay, autovacuum_vacuum_cost_limit\n\t\t\t);");
}