"Yaroslav Ulyanov" <yulyanov@mera.ru> writes:
> CREATE FUNCTION "get_new_id1" () RETURNS bigint AS'
>  declare
>    id bigint;
>  begin
>    id:=3Dnextval(\'id_sequence\'::text);
>    return id;
>  end;
> 'LANGUAGE 'sql' VOLATILE ;
That's plpgsql code, but you've declared the function as language 'sql'.
        regards, tom lane