Re: EXTRACT Clarification

"Thomas F.O'Connell" <tfo@sitening.com> writes:
> I'm thinking something like this (with thanks to Stephan):

> Note: EXTRACT is not a true function. SQL defines it as an expression
> that happens to look similar to a function call.

Rather than documenting this, maybe we should change the grammar to
allow it?

            regards, tom lane