Re: BUG #11107: UPDATE violates table check constraint

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От Marko Tiikkaja
Тема Re: BUG #11107: UPDATE violates table check constraint
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Msg-id 53DBC802.7050205@joh.to
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Ответ на Re: BUG #11107: UPDATE violates table check constraint  (David G Johnston <david.g.johnston@gmail.com>)
Ответы Re: BUG #11107: UPDATE violates table check constraint  (David Johnston <david.g.johnston@gmail.com>)
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On 8/1/14 5:59 PM, David G Johnston wrote:
> Tom Lane-2 wrote
>> Sorry, but this check constraint has entirely undefined behavior, as does
>> any check constraint that refers to data rows other than the one that is
>> being checked.
>
> Which is why PostgreSQL has CREATE TRIGGER functionality...

Which does absolutely nothing to get rid of the race conditions.


.marko

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