Re: Synopsis of SELECT statement: UNION, INTERSECTION, EXCEPT

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Euler Taveira <euler(at)timbira(dot)com(dot)br>, dirk(dot)lattermann(at)leanix(dot)net, pgsql-docs(at)lists(dot)postgresql(dot)org
Subject: Re: Synopsis of SELECT statement: UNION, INTERSECTION, EXCEPT
Date: 2018-04-03 00:21:45
Message-ID: 32505.1522714905@sss.pgh.pa.us
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Bruce Momjian <bruce(at)momjian(dot)us> writes:
> Based on this discussion, I have developed the attached patch which
> tries to clarify the behavior without adding complexity.

I don't think this is an improvement, really ... in particular, it
makes the <synopsis> not self-contained, which is pretty horrible
for psql's help.

regards, tom lane

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