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Re: Check constraints and function volatility categories

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On 02/01/2016 12:52 PM, Dane Foster wrote:
On Mon, Feb 1, 2016 at 3:41 PM, Adrian Klaver <adrian.klaver@xxxxxxxxxxx
<mailto:adrian.klaver@xxxxxxxxxxx>> wrote:



    As an example of where this leads see:

    http://www.postgresql.org/message-id/7224.1452275604@xxxxxxxxxxxxx

​Thanks for the heads up. The good news is all machine access to the
data will be via functions and views so I can inline the constraint in
the right places. In other news, this sucks! I have no idea what it

I could see moving your constraint into a per row trigger.

would take to implement a more flexible constraint mechanism where these
types of dependencies can be expressed declaratively but it would be
great if someone w/ the know-how did. As is evident by the fact that I
wasn't the only one to not realize the rabbit hole I was heading down,
it would be a useful feature.
​
​As always thanks for setting me straight,

Dane



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Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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