From: Rajesh Kumar Mallah <mallah@trade-india.com>
To: pgsql-sql@postgresql.org
Subject: Comparing tsearch2 vectors.
Date: Mon, 12 Jul 2004 14:16:06 +0530
Message-ID: <40F24FCE.3020103@trade-india.com> (raw)
Hi,
We want to compare strings after stemming. Can anyone
tell me what is the best method. I was thinking to compare
the tsvector ,but there is no operator for that.
Regds
Mallah.
tradein_clients=# SELECT to_tsvector('handicraft exporters');
+---------------------------+
| to_tsvector |
+---------------------------+
| 'export':2 'handicraft':1 |
+---------------------------+
(1 row)
Time: 710.315 ms
tradein_clients=#
tradein_clients=# SELECT to_tsvector('handicrafts exporter');
+---------------------------+
| to_tsvector |
+---------------------------+
| 'export':2 'handicraft':1 |
+---------------------------+
(1 row)
Time: 400.679 ms
tradein_clients=# SELECT to_tsvector('Hi there') = to_tsvector('Hi there');
ERROR: operator does not exist: tsvector = tsvector
HINT: No operator matches the given name and argument type(s). You may
need to add explicit type casts.
tradein_clients=#
--
regds
Mallah.
Rajesh Kumar Mallah
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To: pgsql-sql@postgresql.org
Cc: mallah@trade-india.com
Subject: Re: Comparing tsearch2 vectors.
In-Reply-To: <40F24FCE.3020103@trade-india.com>
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