Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index. - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.
Date
Msg-id CAH2-Wz=_wt8D4v-1=MfhvWiyevrk+esWgE51tTnBpsOVDwN9Kw@mail.gmail.com
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In response to Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.  (Peter Geoghegan <pg@bowt.ie>)
Responses Re: [HACKERS] [WIP] Effective storage of duplicates in B-tree index.  (Peter Geoghegan <pg@bowt.ie>)
List pgsql-hackers
On Thu, Feb 20, 2020 at 10:58 AM Peter Geoghegan <pg@bowt.ie> wrote:
> I think that there is a good chance that it just won't matter. The
> number of indexes that won't be able to support deduplication will be
> very small in practice. The important exceptions are INCLUDE indexes
> and nondeterministic collations. These exceptions make sense
> intuitively, and will be documented as limitations of those other
> features.

I wasn't clear about the implication of what I was saying here, which
is: I will make the NOTICE a DEBUG1 message, and leave everything else
as-is in the initial committed version.

-- 
Peter Geoghegan



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