Re: Dollar in identifiers

Change it - but just put it in the release notes :)

Chris

> -----Original Message-----
> From: pgsql-hackers-owner@postgresql.org
> [mailto:pgsql-hackers-owner@postgresql.org]On Behalf Of Tom Lane
> Sent: Friday, 10 January 2003 1:10 AM
> To: Jan Wieck; Peter Eisentraut
> Cc: PostgreSQL HACKERS
> Subject: Re: [HACKERS] Dollar in identifiers 
> 
> 
> Quite awhile back, we had a discussion about removing "$" from the set
> of allowed characters in operator names, and instead allowing it as a
> non-first character in identifiers.  (It'd have to be non-first to avoid
> ambiguity with parameter symbols "$nnn".)  See, eg,
> http://archives.postgresql.org/pgsql-hackers/2001-08/msg00629.php
> 
> That discussion petered out without any definite consensus being
> reached, but I think it's time to reconsider the idea.  We're getting
> flak about "x<$n" being parsed as "x <$ n" rather than "x < $n" (see
> current thread in pgsql-sql).  While this has always been a hazard for
> SQL and plpgsql function writers, it is now also a hazard in direct
> SQL, if you use PREPAREd queries.  So I think the importance of avoiding
> such problems has moved up a notch as of 7.3.
> 
> So, I'd like to put that proposal back on the table.  Comments anyone?
> 
>             regards, tom lane
> 
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