Re: syntax sugar for conditional check

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Alexander Ostrow <aj(at)epcylon(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: syntax sugar for conditional check
Date: 2016-04-01 17:57:51
Message-ID: CAFj8pRACb+eTs6rBdpf=_xm625eWUyezXbEkR_0P-6qSNSdOdA@mail.gmail.com
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2016-04-01 18:57 GMT+02:00 David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>:

> On Thu, Mar 31, 2016 at 10:19 AM, Alexander Ostrow <aj(at)epcylon(dot)com> wrote:
>
>> Hello,
>>
>> I thought it would be cool to have conditional check syntax, which gets
>> converted to simple check constraint syntax.
>>
>> Here’s a gist:
>>
>> https://gist.github.com/aj0strow/5a07f2ddcad324c4dac2c4095c821999
>>
>> It’s just sugar, but i think it would make check constraints easier to
>> read, and easier to write without backwards boolean logic.
>>
>
> For future reference please make every effort to make emails to the list
> self-contained - which has the added benefit of avoid link expiration in
> the future.
>
> As to the recommendation at hand - I don't see significant value in
> implementing non-SQL Standard syntax in this area.
>

+1

This formula should be known to all developers

Regards

Pavel

> David J.
> ​​
>
>

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