Re: [HACKERS] Proposal: Local indexes for partitioned table

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От Robert Haas
Тема Re: [HACKERS] Proposal: Local indexes for partitioned table
Дата
Msg-id CA+TgmoZeiJ7oh3O4kQ9aS2ti5c=90tyHO98TKtujWcjBGa4wzg@mail.gmail.com
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Ответ на Re: [HACKERS] Proposal: Local indexes for partitioned table  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Ответы Re: [HACKERS] Proposal: Local indexes for partitioned table
Re: [HACKERS] Proposal: Local indexes for partitioned table
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On Thu, Jan 4, 2018 at 11:44 AM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> I'm not sure why this feature of automatically picking up matching
> indexes even exists.  Is it for some specific workflows or upgrade
> scenarios?  It's kind of a surprising feature in a way.

It allows you to avoid building a new indexes unnecessarily when
attaching a partition.

> The catalog representations of partitioned tables and partitioned
> indexes are completely different, which may or may not be desirable.

How so?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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