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multi-column btree index for real values - Mailing list pgsql-general

From Martin D. Weinberg
Subject multi-column btree index for real values
Date
Msg-id 20021003140030.4cab5769.weinberg@astro.umass.edu
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Responses Re: multi-column btree index for real values  (Martijn van Oosterhout <kleptog@svana.org>)
List pgsql-general
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Folks,

Can someone quickly describe how the btree is implemented for multiple
columns?  In particular, under what (if any) circumstances is there an
advantage if the index is over floating point values?

Thanks!

--Martin

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