On 13 November 2016 at 22:31, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Andres Freund <andres@anarazel.de> writes:
>> On 2016-11-13 17:20:05 -0500, Tom Lane wrote:
>>> Why do you care? It's a pretty specialized hook.
>
>> Citus currently uses it to output additional information for distributed
>> queries. I suspect we'll instead, for now, have to intercept EXPLAIN as
>> a whole then :( (moving to custom plans unfortunately is still a bit off
>> unfortunately).
>
> Seems like you might want a hook further down then, perhaps at
> ExplainPrintPlan.
Fwiw I've found myself wishing for the same hook. I would like to add
a feature for pg_stat_statements to make some easy way to look up the
queryid for a given query. It seems like having it annotate EXPLAIN
output would be ideal.
--
greg