Peter Eisentraut <> writes:
> On 5/12/16 6:14 PM, Tom Lane wrote:
>> So what I've wanted to do for some time is invent a new expression node
>> type that represents any one of these functions and can be reverse-listed
>> in the same format that the input had.  The attached proposed patch does
>> that.

> I was experimenting with this as well when I found your patch, and I
> think this is the right solution.  Your patch works fine for me.

Thanks for reviewing this patch.  I've pushed it now.

>> (I'm not particularly in love with the node type name
>> ValueFunction; anybody got a better idea?)

> I think this is fine.  The only other idea I have would be
> SQLValueFunction, to emphasize that this is about SQL-mandated special
> cases.

I went with SQLValueFunction.

                        regards, tom lane

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