Re: Bug? Query plans / EXPLAIN using gigabytes of memory

Toby Corkindale <toby(dot)corkindale(at)strategicdata(dot)com(dot)au> writes:
> On 26/04/12 13:11, Tom Lane wrote:
>> Well, if you were to provide a reproducible test case, somebody might be
>> motivated to look into it. There could be a memory leak in the planner
>> somewhere, but without a test case it's not very practical to go look
>> for it.

> Would a Perl-based script that built up a database like that be a useful
> test case for you?

Yeah, sure, just something that somebody else can run to duplicate the
problem.

> For what it's worth, I discovered something quite interesting. The
> memory usage only blows out when I do an update based on the results of
> the query.

Hm, is the update target an inheritance tree?

regards, tom lane