On Mon, Mar 20, 2017 at 6:31 AM, Ronan Dunklau <ronan.dunklau@dalibo.com> wrote:
> With range partitioning, we guarantee that each partition contains non-
> overlapping values. Since we know the range allowed for each partition, it is
> possible to sort them according to the partition key (as is done already for
> looking up partitions).
>
> Thus, we ca generate sorted Append plans instead of MergeAppend when sorting
> occurs on the partition key.
Great idea. This is too late for v10 at this point, but please add it
to the next CommitFest so we don't forget about it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company