On Mon, Jul 25, 2016 at 8:28 PM, Peter Eisentraut
<peter.eisentr...@2ndquadrant.com> wrote:
> On 7/22/16 7:01 PM, Andrew Gierth wrote:
>> In light of the fact that it is an endless cause of bugs both in pg and
>> potentially to applications, I propose that we cease attempting to
>> conform to the spec's definition of IS NULL in favour of the following
>> rules:
> I can't see how we would incompatibly change existing
> standards-conforming behavior merely because users are occasionally
> confused and there are some bugs in corner cases.


Anywhere we have standard-conforming behavior, changing the
semantics of the standard syntax seems insane.  We can create new
syntax for extensions where we are convinced we have a better idea.

Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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