From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | David Fetter <david(at)fetter(dot)org> |
Cc: | "a_ogawa00" <a_ogawa00(at)yahoo(dot)co(dot)jp>, pgsql-patches(at)postgresql(dot)org, PG Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: regexp_replace |
Date: | 2005-06-06 17:49:54 |
Message-ID: | 200506061749.j56Hnsh23388@candle.pha.pa.us |
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Lists: | pgsql-hackers pgsql-patches |
David Fetter wrote:
> On Mon, Jun 06, 2005 at 12:02:18PM -0400, Bruce Momjian wrote:
> >
> > Patch removed because we already have this functionality.
>
> We don't yet have this functionality, as the patch allows for using
> second and later regex matches "()" in the replacement pattern.
>
> The function is misnamed. It should be called regex_replace_all() or
> some such, as it violates the principle of least astonishment by
> replacing all instances by default. Every other regex replacement
> defaults to "replace first," not "replace all." Or maybe it should
> take a bool for "replace all," or...? Anyhow, it's worth a discussion
> :)
Does anyone want to argue that this additional functionality is
significant and deserves its own function or an additional argument to
the existing function?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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