Re: Order of columns in query is important?!

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: CK Tan <cktan(at)vitessedata(dot)com>
Cc: "Colin 't Hart" <colin(at)sharpheart(dot)org>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Order of columns in query is important?!
Date: 2015-05-26 14:22:48
Message-ID: 13918.1432650168@sss.pgh.pa.us
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CK Tan <cktan(at)vitessedata(dot)com> writes:
> For Vitesse X, we mark all columns that were required in the query during
> JIT compile, and deform it in one shot. PG should be able to do the same.

See ExecProject().

regards, tom lane

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