"David E. Wheeler" <david(at)kineticode(dot)com> writes:
> On Sep 1, 2010, at 10:30 AM, Tom Lane wrote:
>> Most aggregate functions ignore null inputs, so that rows in which
>> one or more of the expression(s) yield null are discarded.  (This
>> can be assumed to be true, unless otherwise specified, for all
>> built-in aggregates.)

> I don't think you need the parentheses, though without them, "This" might be better written as "The ignoring of NULLs".

Done, without the parentheses.  I didn't add "The ignoring of NULLs",
it seemed a bit too verbose.

			regards, tom lane

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• Re: array_agg() NULL Handling at 2010-09-01 18:06:51 from David E. Wheeler

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