Re: Sample of user-define window function and other things

Peter Eisentraut <peter_e@gmx.net> writes:

> Hitoshi Harada wrote:
>> - CREATE FUNCTION command accepts WINDOW keyword for non-c language
>> like plpgsql. Don't we need to throw error?
>
> The validator procedures of those languages should be made to reject that case
> if they can't support it.

Even if they can support it shouldn't they reject functions that aren't
actually window functions? What happens if you mark a perfectly normal
function as a window function, does it behave sanely?

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