Re: Concurrently updating an updatable view - Mailing list pgsql-hackers

Hiroshi Inoue wrote:
> Heikki Linnakangas wrote:
>> Hiroshi Inoue wrote:
>>> Concurrently updating an updatable view seems to cause
>>> an unexpected result. Is it a known issue?
>> Looks right to me. What did you expect?
> 
> Shouldn't the last response
>   (session-2)
>          UPDATE 1
> 
> be
>   (seesion-2)
>          UPDATE 0
> ?

Ah, I re-read the example and I see what you mean now.

The problem is that the new tuple version is checked only against the 
condition in the update rule, id=OLD.id, but not the condition in the 
original update-claus, dt='a'.

Yeah, that's confusing :(.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com