> This is an honest question. Does it make sense for > tables and lists that big? Note that an item *view* has a purpose of being > viewed, so how does one display such a huge list, tree or table?
I have a concrete case: in the audio domain, it's common to have audio files with more than 2 billions audio samples (long recordings). I had the wish to display to the user the level of individual audio samples, for analysis purposes. Philippe On Mon, 24 Aug 2020 22:49:42 -0700 Thiago Macieira <thiago.macie...@intel.com> wrote: > On Monday, 24 August 2020 22:24:52 PDT Philippe wrote: > > > Do we need models with more than 2 billion rows or columns? > > > > More than we need in-memory containers with more than 2 billion entries, > > no? > > More? We see a lot of data processing bumping up to gigabyte levels. > Containers with more than 2 billion items are rare, but I see it happening > for > QByteArray and QString at least. > > But how about models? This is an honest question. Does it make sense for > tables and lists that big? Note that an item *view* has a purpose of being > viewed, so how does one display such a huge list, tree or table? > > > For instance, one could wish to display in a list view, the contents of > > a file with more than 2 billions "entries". > > > > But then there would be the need to make QAbstractSlider be able to > > handle 64 bit quantities too. > > How does that make a good UX? > > On an 8k resolution (7680 × 4320), each vertical pixel would represent half a > million entries. > > I'm not questioning the existence of data sets of more than 2 billion > entries. > Those exist. I'm asking how one can make a UX that requires more than 2 > billion rows or columns. > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Software Architect - Intel DPG Cloud Engineering > > > > _______________________________________________ > Development mailing list > Development@qt-project.org > https://lists.qt-project.org/listinfo/development _______________________________________________ Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development
