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Re: [GENERAL] PG-10 + ICU and abbreviated keys - Mailing list pgsql-general

From Peter Geoghegan
Subject Re: [GENERAL] PG-10 + ICU and abbreviated keys
Date
Msg-id CAH2-Wzmt3+aVDxH7c5AiJfm+-sKRyNBpktwbsqhPCGtHVOBDRA@mail.gmail.com
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In response to Re: [GENERAL] PG-10 + ICU and abbreviated keys  (Andreas Joseph Krogh <andreas@visena.com>)
Responses Re: [GENERAL] PG-10 + ICU and abbreviated keys  (Andreas Joseph Krogh <andreas@visena.com>)
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On Mon, Nov 13, 2017 at 2:05 PM, Andreas Joseph Krogh
<andreas@visena.com> wrote:
> When sorting on text, we're usually doing so using an multi-column index, like for instance "CREATE INDEX xxx ON
my_table(lower(name) ASC, created ASC)". Will abbreviated keys help here?
 

Yes, they'll help with that, even though the leading column might be
low cardinality.

-- 
Peter Geoghegan


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