| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Sawada Masahiko <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: New vacuum option to do only freezing |
| Date: | 2018-11-05 17:48:20 |
| Message-ID: | CA+TgmoZU_qfkL0Wn2aZL9yuewFARXutXwAyCw0D9HxWL5PEsqw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Nov 5, 2018 at 3:12 AM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> Adding a field-and-value style option might be worth. Or maybe we can
> add one option for example freeze_without_index_cleanup?
That seems non-orthogonal. We have an existing flag to force freezing
(FREEZE); we don't need a second option that does the same thing.
Skipping the index scans (and thus necessarily the second heap pass)
is a separate behavior which we don't currently have a way to control.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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