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Re: question about hstore and indexes

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Matteo Beccati <php@xxxxxxxxxxx> wrote:

> Hi Andreas,
> 
> On 27/09/2013 09:24, Andreas Kretschmer wrote:
> > This query can't use the index:
> > 
> > test=*# explain select * from my_hstore where werte->'key1' = 'val1';
> >                                   QUERY PLAN
> > ------------------------------------------------------------------------------
> >  Seq Scan on my_hstore  (cost=10000000000.00..10000000001.06 rows=1 width=36)
> >    Filter: ((werte -> 'key1'::text) = 'val1'::text)
> > (2 rows)
> 
> According to the docs:
> 
> hstore has GiST and GIN index support for the @>, ?, ?& and ?| operators
> 
> http://www.postgresql.org/docs/9.3/static/hstore.html

Ahh yes, there is no support for =, i understand.


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."   (unknown)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°


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