Robert Haas <robertmh...@gmail.com> writes:
> On Wed, Jan 11, 2017 at 7:37 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> As far as reproducing the pg_stat_activity query goes, you could probably
>> grab that string out of the master backend's pgstat entry and pass it over
>> at parallel query start. But please don't confuse it with either
>> debug_query_string or the string referenced by the QueryDesc; I do not
>> think there's any guarantee that those are the same.
> I think we should pass only the string referenced by the QueryDesc to
> the worker, and on the worker side report that via debug_query_string
> and pg_stat_activity and attach it to the QueryDesc itself. Is that
> also your view?
That would work, if you had a way to get at the active QueryDesc ...
but we don't pass that down to executor nodes.
regards, tom lane
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