Re: Prefix search on all hstore values

On Thu, Nov 28, 2013 at 12:44 AM, Teodor Sigaev <teodor(at)sigaev(dot)ru> wrote:
> Full-text search has this feature.
>
> # select to_tsvector('en_name=>yes, fr_name=>oui'::hstore::text) @@ 'en:*';
> ?column?
> ----------
> t
>
> or (index only keys)
>
> select to_tsvector(akeys('en_name=>yes, fr_name=>oui'::hstore)::text) @@
> 'en:*';
> ?column?
> ----------
> t
>
> To speed up this queries you use functional indexes.

It wont work. The OP needs to search by values prefixes, not by any
separate word in the hstore.

# select to_tsvector('en_name=>"oh yes", fr_name=>oui'::hstore::text) @@ 'ye:*';
?column?
----------
t

--
Kind regards,
Sergey Konoplev
PostgreSQL Consultant and DBA

http://www.linkedin.com/in/grayhemp
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