> On Mon, Nov 9, 2015 at 8:22 AM, Kevin Grittner <kgri...@ymail.com> wrote:
>> My first choice for other things would be NaN, but throwing an
>> error instead would be OK.
On Monday, November 9, 2015 10:41 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> What about returning NULL for the ill-defined cases? That seems
> to comport with SQL's notion of NULL as "unknown/undefined".
On Monday, November 9, 2015 10:44 AM, Steve Crawford
> Given that null is a "special value that is used to indicate the
> absence of any data value" and that attributes like month or
> day-of-week will have no value for a date of infinity I'd be OK
> with returning null.
NULL seens clearly better than NaN or an error; I wish that had
occurred to me before I posted.
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