Re: PG-10 + ICU and abbreviated keys

På tirsdag 14. november 2017 kl. 00:44:11, skrev Peter Geoghegan <pg(at)bowt(dot)ie
<mailto:pg(at)bowt(dot)ie>>:
On Mon, Nov 13, 2017 at 2:05 PM, Andreas Joseph Krogh
<andreas(at)visena(dot)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.
 
Nice to know, thanks.
 
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