Re: Possibly inconsistent type casting logic

Did this get resolved?

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Peter Eisentraut wrote:
> In the old days, when every function of the form foo(bar) was a cast from
> bar to foo, and if foo and bar happened to be binary compatible, the
> system short-circuited this function call to do a "zero-effort" cast.
>
> This logic still exists, but since in general casts are controlled
> through pg_cast now, it seems inconsistent that the old system still
> exists in some places. Did we forget that or is that intentional?
>
> The consequence of this feature put in other words appears to be that "if
> you create a binary-compatible cast from foo to bar, a function 'bar(foo)
> returns bar' will magically appear to exist". Maybe that's fine, but then
> we should probably document it more explicitly.
>
> --
> Peter Eisentraut peter_e(at)gmx(dot)net
>
>
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