Re: [HACKERS] Gather Merge

On Mon, Feb 20, 2017 at 1:35 AM, Rushabh Lathia
<rushabh.lathia@gmail.com> wrote:
> Thanks Amit for raising this point. I was not at all aware of mark/restore.
> I tried to come up with the case, but haven't found such case.
>
> For now here is the patch with comment update.

Sorry for the delay in getting back to this.  This seems to need minor
rebasing again.

A few other points:

ExecEndGatherMerge needs to be patched along the lines of
acf555bc53acb589b5a2827e65d655fa8c9adee0.

@@ -2290,7 +2376,6 @@ create_limit_plan(PlannerInfo *root, LimitPath
*best_path, int flags)    return plan;}

-/***************************************************************************** * *  BASE-RELATION SCAN METHODS

Unnecessary.

-- 
Robert Haas
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