Re: psql/pg_dump vs. dollar signs in identifiers

From: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: psql/pg_dump vs. dollar signs in identifiers
Date: 2007-07-09 19:57:09
Message-ID: 20070709195709.GM39272@nasby.net
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On Mon, Jul 09, 2007 at 07:04:27PM +0100, Gregory Stark wrote:
> "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>
> > Now, because we surround the pattern with ^...$ anyway, I can't offhand
> > see a use-case for putting $ with its regexp meaning into the pattern.
>
> It's possible to still usefully use $ in the regexp, but it's existence at the
> end means there should always be a way to write the regexp without needing
> another one inside.

Unless you're doing muti-line regex, what's the point of a $ anywhere
but the end of the expression? Am I missing something? Likewise with ^.

I'm inclined to escape $ as Tom suggested.
--
Jim Nasby decibel(at)decibel(dot)org
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)

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