* Tom Lane (t...@sss.pgh.pa.us) wrote: > It also affects developers, in that adding a > new overloaded version of a system function (that previously wasn't > overloaded) could actually reduce the number of cases for which the > function works without an explicit cast. > > We have got to be really careful with changing the parser's behavior > here, or we're going to break cases that work today.
For my 2c- we have to be really careful making changes to the system
functions as well as the parser's behavior.
If we're worried about users creating overloaded versions of system
functions, well, I'd probably suggest a "don't do that then" kind of
approach..
Thanks,
Stephen
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