Re: About "Our CLUSTER implementation is pessimal" patch

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От Leonardo F
Тема Re: About "Our CLUSTER implementation is pessimal" patch
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Msg-id 914351.31291.qm@web29018.mail.ird.yahoo.com
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Ответ на Re: About "Our CLUSTER implementation is pessimal" patch  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
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> Consider multi-column indexes, ie:
> CREATE INDEX i_foo ON foo (length(a), length(b));


Ok, I've never thought of expression indexes that way
(in the (expr1,expr2,exprN) form): that is a good example.

> Maybe you're confusing expression indexes with partial indexes?

No no, that was exactly what I needed to know.


Thank you very much

Leonardo

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