On 2/15/07, Guillaume Smet <[EMAIL PROTECTED]> wrote:
On 2/15/07, Tom Lane <[EMAIL PROTECTED]> wrote:
> I think that the
> answer is probably "because the index is lossy for this operator,
> so it has to be checked even if the bitmap didn't become lossy".
> You'd have to check the GIST opclass definition to be sure.
FYI I've taken a look at PostGIS source code and the index is lossy
for the operator &&:
OPERATOR 3 && RECHECK,
(for every operator in the opclass to be exact)
--
Guillaume
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