like operation in tsearch

From: AI Rumman <rummandba(at)gmail(dot)com>
To: pgsql-general General <pgsql-general(at)postgresql(dot)org>
Subject: like operation in tsearch
Date: 2010-03-21 05:25:52
Message-ID: 2a7905441003202225v2eb378fdpa2a516eb8f5c5ad9@mail.gmail.com
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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.

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