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Multikey Index GISt

From: "Leticia" <lgomez(at)itba(dot)edu(dot)ar>
To: <pgsql-interfaces(at)postgresql(dot)org>
Subject: Multikey Index GISt
Date: 2007-03-04 15:20:37
Message-ID: !~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAinigLB1zOkWncFD5xMZU5sKAAAAQAAAA5HVgnVESk0yrQs0K5l0+UAEAAAAA@itba.edu.ar (view raw or flat)
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I need to implement a new GisT index that use multikey (i.e. tree columns).

I need to storage in the entry index the three transformed columns
alltogether.

 

If a use "create index anIndex on tablename using ( atr1   atr1_ops,  atr2
atr2_ops,  atr3   atr3_ops) ", 

I will obtain three separated invocation of "compress" function (one for
each XXX_ops). I need to receive them in only one invocation. How can I do
it using GIsT?

 

I am using PostgreSQL8.2.3. How does it work the multikey GIsT announced in
the latest version of PosgreSQL?

 

Thanks a lot,

Leticia

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