Neil Conway <[EMAIL PROTECTED]> writes:
> BTW, is there a reason why exec_cast_value() and friends take a bool *, 
> rather than a bool?

I think the reason is that it's both an input and an output parameter,
to handle the case where the cast function returns NULL.

This is obviously a pretty bug-prone convention, however, and so maybe
we should rethink it.

                        regards, tom lane

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