Re: EquivalenceClasses and subqueries and PlaceHolderVars, oh my - Mailing list pgsql-hackers

From Greg Stark
Subject Re: EquivalenceClasses and subqueries and PlaceHolderVars, oh my
Date
Msg-id CAM-w4HNgteqrE=2MuunNgdApjA-tys+o_Cjz7x9xGvcWF0VkTA@mail.gmail.com
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In response to Re: EquivalenceClasses and subqueries and PlaceHolderVars, oh my  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: EquivalenceClasses and subqueries and PlaceHolderVars, oh my
List pgsql-hackers
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


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