Re: query1 followed by query2 at maximum distance vs current fixeddistance - Mailing list pgsql-hackers

Hello,

On 23.07.2019 09:55, Wh isere wrote:
> Is this possible with the current websearch_to_tsquery function?
> 
> Thanks.
> 
>     Hello everyone, I am wondering if
>     AROUND(N) or <N, M> is still possible? I found this thread below and
>     the original post
>     https://www.postgresql.org/message-id/fe931111ff7e9ad79196486ada79e268%40postgrespro.ru
>     mentioned the proposed feature: 'New operator AROUND(N). It matches
>     if the distance between words(or maybe phrases) is less than or
>     equal to N.'
> 
>     currently in tsquery_phrase(query1 tsquery, query2 tsquery, distance
>     integer) the distaince is searching a fixed distance, is there way to
>     search maximum distance so the search returns query1 followed by
>     query2 up
>     to a certain distance? like the AROUND(N) or <N, M> mentioned in the
>     thread?
As far as I know AROUND(N) and <N, M> weren't committed, unfortunately. 
And so you can search only using a fixed distance currently.

websearch_to_tsquery() can't help here. It just transforms search 
pattern with OR, AND statements into tsquery syntax.

-- 
Arthur Zakirov
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company