Re: like operation in tsearch

We introduced prefix support in 8.4, so one may use:

=# select to_tsvector('Rumman went to iftekhar to solve it') @@ to_tsquery('ifte:*') as c;
c
---
t
(1 row)

On Sun, 21 Mar 2010, AI Rumman wrote:

> I am using Postgresql 8.1 tsearch2.
>
> I need to match a like operation in tsearch. Such as,
>
> Sample data:
>
> Document
> ......................
>
> Rumman went to iftekhar to solve it.
>
>
> select ...
> from ...
> where document like '%ifte%'
>
> need to be written in tsearch. Here "ifte" is a name
>
> But in tsearch when I am using to_tsvector, it gives as follows-
>
> 'iftekhar':4 'rumman':1 'solv':6 'went':2
>
> postgres=# select to_tsvector('Rumman went to iftekhar to solve it') @@
> to_tsquery('ifte') as c;
> c
> ---
> f
> (1 row)
>
> I am confused how to execute the above like operation in tsearch.
>
> Any help please.
>

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83