From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter_e(at)gmx(dot)net>, "David E(dot) Wheeler" <david(at)kineticode(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: functional call named notation clashes with SQL feature |
Date: | 2010-06-03 15:44:17 |
Message-ID: | AANLkTikPEPpjy1zCVzCLEdjK8e0x36L9TSJPbzQ81Nuc@mail.gmail.com |
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On Thu, Jun 3, 2010 at 11:34 AM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Tom Lane wrote:
>> Bruce Momjian <bruce(at)momjian(dot)us> writes:
>> > Are we sure we want hstore compatibility to drive this decision?
>>
>> hstore is what it is, and has been that way for a long time. We can't
>> just ignore it. And I don't think breaking it (and probably other code)
>> on zero notice is an acceptable outcome.
>
> Well, it seems we are going to be stuck supporting => because it is hard
> to argue that the SQL standards committee should adopt := instead of =>
> because of hstore. ;-)
>
> I hate eventually having two documented ways of doing something, but it
> appears by releasing := we are doing exactly that.
>
> Is telling hstore users they have to change => to something else such a
> large major version incompatibility that it is worth supporting and
> documenting two syntaxes for parameter assignment? It is that calculus
> that has me questioning our approach.
I don't mind supporting := and => as much as I mind supporting only
:=, and I think that's the other reasonable alternative.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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