Jim Nasby <jim.na...@bluetreble.com> writes:
> On 1/3/16 9:23 PM, Tom Lane wrote:
>> (Though at least in HEAD we ought to
>> fix them to take type text as input. Using cstring for ordinary functions
>> is just sloppy.)
> BTW, *all* the reg*in() functions do that...
Yeah, I noticed that. They're all broken. There are no other built-in
functions that take cstring except for datatype input functions and
encoding conversion functions, which are required to by their respective
meta-APIs, and which are not meant to be invoked directly from SQL.
These functions had no business being the first to think that cstring is
a full fledged type; which it is not. Notably, that means this doesn't
work:
regression=# select to_regrole('foo'::text);
ERROR: function to_regrole(text) does not exist
and most other cases where you'd computed an input value rather than
merely typed in a literal would fail likewise.
It's not a release stopper, but I plan to fix it in HEAD whenever I have
an idle hour.
regards, tom lane
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