Horton

Re: Hash support for grouping sets

Mark Dilger <hornschnorter@gmail.com>

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From: Mark Dilger <hornschnorter@gmail.com>
To: Andrew Gierth <andrew@tao11.riddles.org.uk>
Cc: pgsql-hackers@postgresql.org
Date: 2017-03-08T15:16:59Z
Lists: pgsql-hackers 
> On Mar 8, 2017, at 2:30 AM, Andrew Gierth <andrew@tao11.riddles.org.uk> wrote:
> 
>>>>>> "Mark" == Mark Dilger <hornschnorter@gmail.com> writes:
> 
> Mark> On linux/gcc the patch generates a warning in nodeAgg.c that is
> Mark> fairly easy to fix.  Using -Werror to make catching the error
> Mark> easier, I get:
> 
> what gcc version is this exactly?
> 

Linux version 2.6.32-573.18.1.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) ) #1 SMP Tue Feb 9 22:46:17 UTC 2016

Commits

  1. Support hashed aggregation with grouping sets.