| From: | legrand legrand <legrand_legrand(at)hotmail(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Partition-wise aggregation/grouping |
| Date: | 2017-12-08 22:55:53 |
| Message-ID: | 1512773753804-0.post@n3.nabble.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | 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
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