In article <4370B990(dot)7090100(at)dunslane(dot)net>,
Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> 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.
How about '{a, \N, b}'?