[postgis-devel] temporal indexing
Decibel!
decibel at decibel.org
Thu Aug 9 15:11:13 PDT 2007
On Tue, Aug 07, 2007 at 10:19:27AM -0700, Chris Hodgson wrote:
> If you're only querying based on date then a standard b-tree index on
> the date itself should provide reasonable performance.
Actually, querying for rows within a specific date range can be very
slow with a btree in some cases (though I think bitmap scans improves
that a lot).
There's also a tinterval data type that's undocumented, which may be of
use.
--
Decibel!, aka Jim Nasby decibel at decibel.org
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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