On 3/14/18 08:05, Ildus Kurbangaliev wrote:
>> The ROLLBACK call in the first loop iteration undoes the UPDATE
>> command that drives the loop. Is it then sensible to continue the
>> loop?
>>
> I think that in the first place ROLLBACK was prohibited because of cases
> like this, but it seems to safe to continue the loop when portal
> strategy is PORTAL_ONE_SELECT.
Maybe, but even plain SELECT commands can have side effects.
--
Peter Eisentraut http://www.2ndQuadrant.com/
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