Обсуждение: text-prefix search in 9.4's JSONB

On 07/07/2014 11:28 AM, Andreas Joseph Krogh wrote:
> Hi all.
>
> I'm excited about 9.4's new JSONB and search-performance.
>
> Is it possible to combine tsearch's prefix-search with the new JSONB-format?
>
> Something like this (pseudo-code):
> SELECT '{"subject": "visena"}'::jsonb @>  '{"subject":
> to_tsquery('simple', '(vise:*|office:*)')}';
>
> and have the above query match documents where subject contains the
> prefixes "vise" and "office", which would match subject="visena" and
> subject="officenet"
>
> Would be ultimate cool if this was possible!

This will absolutely not happen in 9.4 but something like it is being
worked on for 9.5

See this presentation, starting at page 17:
http://www.pgcon.org/2014/schedule/attachments/318_pgcon-2014-vodka.pdf
--
Vik

On 07/07/2014 11:28 AM, Andreas Joseph Krogh wrote:
> Hi all.
> 
> I'm excited about 9.4's new JSONB and search-performance.
> 
> Is it possible to combine tsearch's prefix-search with the new JSONB-format?
> 
> Something like this (pseudo-code):
> SELECT '{"subject": "visena"}'::jsonb @>  '{"subject":
> to_tsquery('simple', '(vise:*|office:*)')}';
> 
> and have the above query match documents where subject contains the
> prefixes "vise" and "office", which would match subject="visena" and
> subject="officenet"
> 
> Would be ultimate cool if this was possible!

This will absolutely not happen in 9.4 but something like it is being
worked on for 9.5

See this presentation, starting at page 17:
http://www.pgcon.org/2014/schedule/attachments/318_pgcon-2014-vodka.pdf

--

Andreas Jospeh Krogh

CTO / Partner - Visena AS

Mobile: +47 909 56 963

andreas@visena.com

www.visena.com