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Re: gSoC - ADD MERGE COMMAND - code patch submission

Peter Eisentraut <peter_e@gmx.net>

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From: Peter Eisentraut <peter_e@gmx.net>
To: David Fetter <david@fetter.org>
Cc: Andres Freund <andres@anarazel.de>, Robert Haas <robertmhaas@gmail.com>, Boxuan Zhai <bxzhai2010@gmail.com>, pgsql-hackers@postgresql.org, heikki.linnakangas@enterprisedb.com
Date: 2010-07-10T19:29:07Z
Lists: pgsql-hackers 
On lör, 2010-07-10 at 09:26 -0700, David Fetter wrote:
> Please find enclosed a patch against git master as of
> 7b2668159bb4d0f5177a23d05bf7c2ab00bc0d75.  It works up to make, but
> fails on make check.

It looks like this implementation reaches about the same level of parser
support as the stuff that I had coded up a few months ago at the airport
within a couple of hours [0][1], and I had sent the student the code, so
he could have had that for free.

But as others had commented already, the meat of the problem is how
MERGE statement *execution* is supposed to work.

[0]
http://git.postgresql.org/gitweb?p=users/petere/postgresql.git;a=shortlog;h=refs/heads/merge-statement
[1] http://petereisentraut.blogspot.com/2010/05/merge-syntax.html