Re: BUG #5950: backend terminating after altering table

Sergey Burladyan <eshkinkot(at)gmail(dot)com> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> "alex" <perepelica(dot)alex(at)gmail(dot)com> writes:
>>> 1. create table t (
>>> );
>>> 2. alter table t add childs t;
>>> 3. alter table t add id serial not null primary key;
>>> server closed the connection unexpectedly

>> Hmm. This seems to be fixed in HEAD:

> Not fully. There are also two cases with Segmentation fault
> (from sql.ru forum):

Yeah, I had already come to the conclusion that it was just luck that
HEAD avoids the specific problem. See
http://archives.postgresql.org/pgsql-hackers/2011-03/msg01673.php

regards, tom lane