Re: So what's an "empty" array anyway? - Mailing list pgsql-hackers

On Oct 21, 2008, at 13:58, Tom Lane wrote:

>> If we got rid of zero dimension arrays, how would I declare a new
>> empty array in a PL/pgSQL function?
>
> Same as before, I think: initialize it to '{}'.  What's at stake here
> is exactly what does that notation mean ...

An empty, single-dimension array. But I got the impression from Simon  
that he thought it should be NULL.

Best,

David