Re: BUG #19382: Server crash at __nss_database_lookup

Hi Andrey,

Thank you for the comments.

> The server still crashes when only an inner type is altered:
>
> CREATE TYPE inner_t AS (x INT, y INT);
> CREATE TYPE outer_t AS (a INT, b inner_t);
>
> CREATE OR REPLACE FUNCTION test_nested() RETURNS record LANGUAGE plpgsql
> AS $$
> DECLARE r1 outer_t; r2 outer_t;
> BEGIN
> r1 := ROW(1, ROW(10, power(2,30)::int4)::inner_t)::outer_t;
> ALTER TYPE inner_t ALTER ATTRIBUTE y TYPE TEXT;
> r2 := r1;
> RETURN r2;
> END; $$;
>
> SELECT test_nested(); -- server crash
>
> Thank you for the nested composite testcase and the fix in cursor
code, the changes look good.. I fixed the PL/pgsql to fix the nested
components.

Here is the patch for the pl/pgsql fix

Regards,
Surya Poondla