On Thu, Apr 27, 2017 at 4:08 AM, Dmitriy Sarafannikov
<dsarafanni...@yandex.ru> wrote:
> I'd like to propose to search min and max value in index with SnapshotAny in
> get_actual_variable_range function.

+1 from me, but Tom rejected that approach last time.

> But if we delete many rows from beginning or end of index, it would be
> very expensive too because we will fetch each dead row and reject it.

Yep, and I've seen that turn into a serious problem in production.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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