Horton

Re: index-only count(*) for indexes supporting bitmap scans

Alexey Chernyshov <a.chernyshov@postgrespro.ru>

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From: Alexey Chernyshov <a.chernyshov@postgrespro.ru>
To: pgsql-hackers@postgresql.org
Cc: Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>
Date: 2017-09-04T12:17:30Z
Lists: pgsql-hackers 
The following review has been posted through the commitfest application:
make installcheck-world:  tested, failed
Implements feature:       not tested
Spec compliant:           not tested
Documentation:            not tested

Hi Alexander,

make check-world fails on contrib/postgres_fdw because of Subquery Scan on ... Probably, query plan was changed.

The new status of this patch is: Waiting on Author

Commits

  1. Allow bitmap scans to operate as index-only scans when possible.