On Thu, Mar 23, 2017 at 1:53 PM, Alvaro Herrera
wrote:
> Robert Haas wrote:
>> I guess the downside of back-patching this is that it could cause a
>> plan change for somebody which ends up being worse. On the whole,
>> serial execution of queries intended to be run in parallel isn't
>> likely to
Robert Haas wrote:
> I guess the downside of back-patching this is that it could cause a
> plan change for somebody which ends up being worse. On the whole,
> serial execution of queries intended to be run in parallel isn't
> likely to work out well, but it's always possible somebody has a cases
On 03/23/2017 10:03 AM, Robert Haas wrote:
On Thu, Mar 23, 2017 at 12:50 PM, Robert Haas wrote:
Commit 7aea8e4f2daa4b39ca9d1309a0c4aadb0f7ed81b allowed a parallel
plan to be generated when for a RETURN QUERY or RETURN QUERY EXECUTE
statement in a PL/pgsql block. As it turns out, the analysis t
On 2017-03-23 13:03:19 -0400, Robert Haas wrote:
> On Thu, Mar 23, 2017 at 12:50 PM, Robert Haas wrote:
> > Commit 7aea8e4f2daa4b39ca9d1309a0c4aadb0f7ed81b allowed a parallel
> > plan to be generated when for a RETURN QUERY or RETURN QUERY EXECUTE
> > statement in a PL/pgsql block. As it turns ou
* Robert Haas (robertmh...@gmail.com) wrote:
> On Thu, Mar 23, 2017 at 12:50 PM, Robert Haas wrote:
> > Commit 7aea8e4f2daa4b39ca9d1309a0c4aadb0f7ed81b allowed a parallel
> > plan to be generated when for a RETURN QUERY or RETURN QUERY EXECUTE
> > statement in a PL/pgsql block. As it turns out, t
On Thu, Mar 23, 2017 at 12:50 PM, Robert Haas wrote:
> Commit 7aea8e4f2daa4b39ca9d1309a0c4aadb0f7ed81b allowed a parallel
> plan to be generated when for a RETURN QUERY or RETURN QUERY EXECUTE
> statement in a PL/pgsql block. As it turns out, the analysis that led
> to this decision was totally w
Commit 7aea8e4f2daa4b39ca9d1309a0c4aadb0f7ed81b allowed a parallel
plan to be generated when for a RETURN QUERY or RETURN QUERY EXECUTE
statement in a PL/pgsql block. As it turns out, the analysis that led
to this decision was totally wrong-headed, because the plan will
always be executed using SP