On 5.12.2013 15:14, Tom Lane wrote:
> Ladislav Lenart writes:
>> What happens if I issue UPDATE SET FROM... but with incomplete/buggy WHERE
>> condition and thus SEVERAL rows from the from_list match ONE row to update?
>
> Any given row will be updated at most once. However, the from_list row
>
Ladislav Lenart writes:
> What happens if I issue UPDATE SET FROM... but with incomplete/buggy WHERE
> condition and thus SEVERAL rows from the from_list match ONE row to update?
Any given row will be updated at most once. However, the from_list row
it gets updated against will be unpredictable,
