Исходники IPB 3.1.3

//-----------------------------------------
// Run the query
//-----------------------------------------

#I had to switch this around... The query goes first, connection id second. Otherwise it just breaks - KF
#$this->query_id = mysql_query($this->connection_id, $the_query );
$this->query_id = mysql_query( $the_query, $this->connection_id );

if ( preg_match_all( "#[^_a-zA-Z](select)[^_a-zA-Z]#s", $_tmp, $matches ) )
{
    if ( count( $matches ) > 1 )
    {
        $this->throwFatalError( "Вложенные SELECT в запросах запрещены.\nДобавьте \ipsRegistry::DB()->allow_sub_select=1; перед запросом, чтобы разрешить их\n{$the_query}" );
        return false;
    }
}

$articles = ipsRegistry::DB()->query("
    SELECT field_1 AS title, field_2 AS content, field_3 AS time, record_dynamic_furl
    FROM ccs_custom_database_1
    WHERE category_id = 5
    ORDER BY field_3 DESC
    LIMIT 3
");