| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Rhaoni Chiu Pereira <rhaoni(at)sistemica(dot)info> |
| Cc: | PostgreSQL ADMIN <pgsql-admin(at)postgresql(dot)org>, PostgreSQL Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: [PERFORM] How to force an Index ? |
| Date: | 2003-09-18 17:50:34 |
| Message-ID: | 200309181050.34270.josh@agliodbs.com |
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| Thread: | |
| Lists: | pgsql-admin pgsql-performance |
Rhaoni,
> ... gsames00.ano_mes = to_char(ftnfco00.data_emissao,'YYYYMM') AND ...
> Then it uses the gsames00 index instead of a SeqScan 'cuz it is
> camparing same data type, but .. I don't want to create this function 'cuz
> this aplication is used with Oracle too.
You should have said that earlier ....
> I need to know if there is a way to set the to_char output to varchar
> instead of text !
Did you try:
... gsames00.ano_mes = (to_char(ftnfco00.data_emissao,'YYYYMM')::VARCHAR) AND
...
--
Josh Berkus
Aglio Database Solutions
San Francisco
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