Factoring where clauses through unions

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От Jonathan Bartlett
Тема Factoring where clauses through unions
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Msg-id Pine.GSU.4.44.0304041240451.5429-100000@eskimo.com
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Ответы Re: Factoring where clauses through unions
Список pgsql-general
I have a view that is based on several UNION clauses.  I'm wondering, if I
select data from there, will it UNION first, and then apply my where
clauses, or can it factor my where clauses through the UNION?  If it
doesn't do it automatically, is there any way to automate it?

Thanks,

Jon


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