Tom Lane wrote:
>"Pavel Stehule" <pavel(dot)stehule(at)hotmail(dot)com> writes:
>
>
>>it's great news. My personal opinion about formating NULL values
>> '{a, NULL, b}' -- longer, clean NULL is NULL
>>
>>
>
>Unfortunately, that already has a meaning, and it's not that.
>
>
>
>
What a pity. I don't see any alternative to the empty element proposal -
it's worth the possible breakage.
cheers
andrew