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Re: Identity projection

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Amit Kapila <amit.kapila@huawei.com>
Cc: Heikki Linnakangas <hlinnakangas@vmware.com>, "'Kyotaro HORIGUCHI'" <horiguchi.kyotaro@lab.ntt.co.jp>, pgsql-hackers@postgresql.org
Date: 2013-03-14T19:22:02Z
Lists: pgsql-hackers 
I wrote:
> ... So I think this patch is missing a bet by not
> accepting equal() expressions.

I've committed this with that logic, a comment explaining exactly why
this is the way to do it, and some other cosmetic improvements.

			regards, tom lane