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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