Re: [ANNOUNCE] == PostgreSQL Weekly News - February 11 2007 ==

From: Jeremy Drake <pgsql(at)jdrake(dot)com>
To: David Fetter <david(at)fetter(dot)org>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [ANNOUNCE] == PostgreSQL Weekly News - February 11 2007 ==
Date: 2007-02-12 09:08:32
Message-ID: Pine.BSO.4.64.0702120056300.28908@resin.csoft.net
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I made some notes about what you said about my patch, just so that I can
be sure that it is clear what it does.

On Sun, 11 Feb 2007, David Fetter wrote:

> == PostgreSQL Weekly News - February 11 2007 ==
>
> == Pending Patches ==
>
> Jeremy Drake sent in a patch which implements regexp_replace with
> multiple atoms,

I don't know what you mean here. The only change I made to
regexp_replace was fairly incedental: I split out the flag parsing code
so that regexp_matches and regexp_split could use it as well, and in the
process added support for some new flags which before could only be
specified using the metasyntax
(http://developer.postgresql.org/pgdocs/postgres/functions-matching.html#POSIX-METASYNTAX)
Also, the error message for invalid flags to regexp_replace changed. I
did not touch anything relating to what atoms are allowed
(http://developer.postgresql.org/pgdocs/postgres/functions-matching.html#POSIX-ATOMS-TABLE)

> regexp_matches, a set-returning function, and
> regexp_split. Perl weenies rejoice!

regexp_matches will only return a set if the 'g' flag was given. The
no-flags version is not even declared as set-returning, it just returns a
straight text[]. regexp_split is more of a set-returning function... :)

--
The human mind ordinarily operates at only ten percent of
its capacity -- the rest is overhead for the operating system.

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