| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
| Cc: | Steve Singer <steve(at)ssinger(dot)info>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: heap_sync seems rather oblivious to partitioned tables (wal_level=minimal) |
| Date: | 2018-11-19 12:47:31 |
| Message-ID: | 64b2d53c-7c58-f052-32f1-38ce6e1cd0a5@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 11/17/18 4:53 PM, Alvaro Herrera wrote:
> Here are versions for branches 10 and 11. The main change is that the
> COPY test didn't have the partitioned table, because it was recently
> introduced (0d5f05cde011) so I backpatched that part also. It's a bit
> useless, but I'd rather backpatch the same thing rather than have
> different lines there ...
>
The patch seems fine to me.
It's a bit unfortunate that we simply disable the optimization on
partitioned tables instead of fixing it somehow, but I guess it's better
than nothing and no one has a very good idea how to make it work.
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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