Re: SIMILAR TO

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Thomas Lockhart <lockhart(at)fourpalms(dot)org>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SIMILAR TO
Date: 2002-09-11 04:24:17
Message-ID: 200209110424.g8B4OH914121@candle.pha.pa.us
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Is this a TODO?

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Peter Eisentraut wrote:
> Thomas Lockhart writes:
>
> > > SIMILAR TO doesn't implement the SQL standard, it's only a wrapper around
> > > the POSIX regexp matching, which is wrong. I thought someone wanted to
> > > fix that, but if it's not happening it should be removed.
> >
> > Please be specific on what you would consider correct. I'm not recalling
> > any details of past discussions so need some background.
>
> The pattern that should be accepted by SIMILAR TO (as defined in SQL99
> part 2 clause 8.6) and the POSIX regular expressions that it accepts now
> are not the same.
>
> --
> Peter Eisentraut peter_e(at)gmx(dot)net
>
>
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