| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org>, pgsql-committers <pgsql-committers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: pgsql: Add support for multivariate MCV lists |
| Date: | 2019-03-27 20:33:53 |
| Message-ID: | 20190327203353.GC21957@development |
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| Thread: | |
| Lists: | pgsql-committers |
On Wed, Mar 27, 2019 at 09:13:46PM +0100, Tomas Vondra wrote:
>On Wed, Mar 27, 2019 at 12:32:34PM -0700, Peter Geoghegan wrote:
>>On Wed, Mar 27, 2019 at 12:04 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
>>>Congrats, this was long in the making!
>>
>>+1
>>
>
>Thanks! I guess it's a Gordie Howe of our patches.
>
>>Buildfarm member aye-aye has a problem with this patch, though:
>>
>>https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=aye-aye&dt=2019-03-27%2019%3A07%3A53
>>
>
>Damn. And I see locust, prion and dory also seem to have an issue.
>locust is also a power machine, I wonder if that's somehow related.
>
>I'll take a look.
>
There seems to be a bug in statext_mcv_load - the deserialize happens
after releasing syscache. That's probably why prion is failing, because
it's running with -DRELCACHE_FORCE_RELEASE -DCATCACHE_FORCE_RELEASE. Not
sure about aye-aye.
cheers
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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