Re: BUG #18483: Segmentation fault in tests modules

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Alexander Lakhin <exclusion@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, a.kozhemyakin@postgrespro.ru, pgsql-bugs@lists.postgresql.org
Date: 2024-06-17T05:29:05Z
Lists: pgsql-bugs
On Mon, Jun 10, 2024 at 02:50:33PM +0900, Michael Paquier wrote:
> On Sun, Jun 09, 2024 at 03:00:00PM +0300, Alexander Lakhin wrote:
>> 4)
>> I guess, make_tuple_indirect() could be improved with:
>>                 /* only work on existing, not-null varlenas */
>>                 if (TupleDescAttr(tupdesc, i)->attisdropped ||
>>                         nulls[i] ||
>> -                       TupleDescAttr(tupdesc, i)->attlen != -1)
>> +                       TupleDescAttr(tupdesc, i)->attlen != -1 ||
>> +                       TupleDescAttr(tupdesc, i)->attstorage == TYPSTORAGE_PLAIN)
> 
> Fun.  True enough that this function is only here for toastable
> values, so that makes sense.

This one was indeed simple enough, so fixed it for now.
--
Michael

Commits

  1. Make regress function make_tuple_indirect() able to handle plain attributes

  2. Fix segmentation fault in test_tidstore.

  3. Tighten test_predtest's input checks, and improve error messages.