Re: Statistics and selectivity estimation for ranges

Alexander Korotkov <aekorotkov@gmail.com>

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From: Alexander Korotkov <aekorotkov@gmail.com>

To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2012-08-09T15:35:50Z

Lists: pgsql-hackers

Attachments

range_stat-0.3.patch.gz (application/x-gzip) patch

New revision of patch with two fixes:
1) Check if histogram bin width is zero in get_position.
2) Check statsTuple is valid tuple in rangecontsel.

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With best regards,
Alexander Korotkov.