Re: Partition-wise aggregation/grouping - Mailing list pgsql-hackers

From legrand legrand
Subject Re: Partition-wise aggregation/grouping
Date
Msg-id 1512773753804-0.post@n3.nabble.com
Whole thread Raw
In response to Re: Partition-wise aggregation/grouping  (Jeevan Chalke <jeevan.chalke@enterprisedb.com>)
List pgsql-hackers
Thank you for the answer
This is a miss understanding of hash join behaviour on my side.

That means that there is at less on line read in facts_p2 part even if the
second table partition of the hash join operation is empty.

I will remember it now ;o)

Regards
PAscal



--
Sent from: http://www.postgresql-archive.org/PostgreSQL-hackers-f1928748.html


pgsql-hackers by date:

Previous
From: Michael Paquier
Date:
Subject: Re: Allowing SSL connection of v11 client to v10 server with SCRAMchannel binding
Next
From: Peter Geoghegan
Date:
Subject: Leftover reference to replacement selection 1 run case