On 2020-Jan-24, Peter Eisentraut wrote: > When you interact with glibc locale functions, you essentially have to > assume that everything is in NFC. When using ICU locale functions (which we > don't here, but just for the sake of argument), then I would expect that ICU > does appropriate normalization itself when I call > icu_what_month_is_this(string) returns int. So I think it is appropriate to > not deal with normalization in this patch.
But that's a different POV. The input to this function could come from arbitrary user input from any application whatsoever. So the only reason we can get away with that is because the example regression case Juan José added (which uses non-normals) does not conform to the standard. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
