On 14 February 2017 at 21:25, Amit Kapila <amit.kapil...@gmail.com> wrote:
> +    Aggregate</> stage. For such cases there is clearly going to be no
> +    performance benefit to using parallel aggregation.
> A comma is required after "For such cases"


>> The query planner takes
>> +    this into account during the planning process and will choose how to
>> +    perform the aggregation accordingly.
> This part of the sentence sounds unclear.   It doesn't clearly
> indicate that planner won't choose a parallel plan in such cases.

I thought that was obvious enough giving that I'd just mentioned that
there's clearly no benefit, however I've changed things to make that a
bit more explicit.

Thanks for reviewing this.

Updated patch attached.

 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Attachment: parallel_doc_fixes_v4.patch
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