public function init()
{
if ($this->db->get_sql_layer() != 'mysql' && $this->db->get_sql_layer() != 'mysql4' && $this->db->get_sql_layer() != 'mysqli' && $this->db->get_sql_layer() != 'postgres') {
return $this->user->lang['FULLTEXT_SPHINX_WRONG_DATABASE'];
}
// Move delta to main index each hour
$this->config->set('search_gc', 3600);
return false;
}