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Re: coalesce

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Henry Drexler <alonup8tb(at)gmail(dot)com>, Kevin Grittner <kevin(dot)grittner(at)wicourts(dot)gov>, Pg Docs <pgsql-docs(at)postgresql(dot)org>
Subject: Re: coalesce
Date: 2011-10-05 01:47:15
Message-ID: 201110050147.p951lG908071@momjian.us (view raw or flat)
Thread:
Lists: pgsql-docs
Alvaro Herrera wrote:
> 
> Excerpts from Henry Drexler's message of mi sep 21 12:50:18 -0300 2011:
> > thanks,
> > 
> > so I take it I am not getting those more complex examples (that are
> > apparently beyond my use case), I will take a look at them again.
> 
> Maybe the fix is just to add a simpler example, without altering the
> wording (which seems pretty clear to me as well, but then I already know
> what COALESCE does).

Here is a doc patch that at least explains the example.  Applied.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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