Re: EquivalenceClasses and subqueries and PlaceHolderVars, oh my

Greg Stark <stark@mit.edu>

From: Greg Stark <stark@mit.edu>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Yeb Havinga <yebhavinga@gmail.com>, pgsql-hackers@postgresql.org
Date: 2012-03-17T04:07:14Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Fix pushing of index-expression qualifications through UNION ALL.

  2. Wrap appendrel member outputs in PlaceHolderVars in additional cases.

On Fri, Mar 16, 2012 at 3:16 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> So I now propose reverting the earlier two patches (but not their
>> regression test cases of course) and instead hacking MergeAppend plan
>> building as per (2).

As a wise man once said, "This is tricky stuff". I feel a better that
I got stuck on this stuff when you're still trying to feel your way
after this many go-arounds.

I think I'll be aiming at some less subtle things when I get back to
contributing. Things like the getrusage patch I still haven't
forgotten about.

-- 
greg