| From: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Kevin Grittner <kgrittn(at)ymail(dot)com>, Antonin Houska <antonin(dot)houska(at)gmail(dot)com>, "pgsql-hackers\(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reference to parent query from ANY sublink |
| Date: | 2013-12-12 10:48:24 |
| Message-ID: | m2sitymjk7.fsf@2ndQuadrant.fr |
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| Lists: | pgsql-hackers |
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> Yeah, I found myself wishing for an EXPLAIN option that would show
>> that.
>
> It's not hard to do ... how about the attached?
+1
> I chose to print grouping keys for both Agg and Group nodes, and to
> show them unconditionally. There's some case maybe for only including
> them in verbose mode, but since sort keys are shown unconditionally,
> it seemed more consistent this way.
+1
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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