pá 15. 3. 2019 v 17:54 odesílatel Chapman Flack <c...@anastigmatix.net> napsal:
> On 3/15/19 12:26 PM, Pavel Stehule wrote: > > you use string_to_array function without separator, then only one > possible > > semantic is there - separation by chars. > > Other languages can and do specify other semantics for the > separator-omitted case: often (as in Python) it means to split > around "runs of one or more characters the platform considers white > space", as a convenience, given that it's a fairly commonly wanted > meaning but can be tedious to spell out as an explicit separator. > for this proposal "char" != byte result[n] = substring(str FROM n FOR 1) > I admit I think a separator of '' would be more clear than null, > so if I were designing string_to_array in a green field, I think > I would swap the meanings of null and '' as the delimiter: null > would mean "don't really split anything", and '' would mean "split > everywhere you can find '' in the string", that is, everywhere. > > But the current behavior is already established.... > yes Pavel > > Regards, > -Chap >
