Thanks again for taking a look. What do you mean by "work incorrectly"?
Will where() return the wrong rows for conditions involving columns with
NaNs? Could this happen on any column with NaNs?
- Charles
On Tue, Nov 30, 2010 at 4:22 AM, Francesc Alted <fal...@pytables.org> wrote:
> A Monday 29 November 2010 17:15:34 Francesc Alted escrigué:
> > A Monday 29 November 2010 17:07:58 Charles Krohn escrigué:
> > > Hello list,
> > >
> > > I get the following error when trying to create an index:
> > >
> > > Traceback (most recent call last):
> > > File "./index.py", line 6, in <module>
> > >
> > > f.root.test.cols.col.createCSIndex()
> > >
> > > File "/usr/local/lib/python2.6/dist-packages/tables/table.py",
> > > line
> > >
> > > 3211, in createCSIndex
> > >
> > > _blocksizes=_blocksizes, _testmode=_testmode,
> > > _verbose=_verbose)
> > >
> > > File "/usr/local/lib/python2.6/dist-packages/tables/table.py",
> > > line
> > >
> > > 3186, in createIndex
> > >
> > > tmp_dir, _blocksizes, _verbose)
> > >
> > > File
> > > "/usr/local/lib/python2.6/dist-packages/tables/_table_pro.py",
> > >
> > > line 331, in _column__createIndex
> > >
> > > index.optimize(verbose=verbose)
> > >
> > > File "/usr/local/lib/python2.6/dist-packages/tables/index.py",
> > > line
> > >
> > > 804, in optimize
> > >
> > > self.do_complete_sort()
> > >
> > > File "/usr/local/lib/python2.6/dist-packages/tables/index.py",
> > > line
> > >
> > > 870, in do_complete_sort
> > >
> > > idx = self.search_item_lt(tmp, prev_end, j, ranges[j], stj)
> > >
> > > File "/usr/local/lib/python2.6/dist-packages/tables/index.py",
> > > line
> > >
> > > 1448, in search_item_lt
> > >
> > > assert limits[0] < item <= limits[1]
> > >
> > > AssertionError
> > > Closing remaining open files:
> > > /home/ctkrohn/Code/pytables/index/pytables-7ZTup2.tmp... done
> > > index_test.h5... done
> > >
> > > This is for createCSIndex(), createIndex() runs just fine. Any
> > > thoughts? Did not see anything in the issue tracker. I could
> > > provide the example H5 file if necessary (it's just a 5MB file).
> > >
> > > I'm running PT Pro 2.2.1, built from source. tables.test() runs
> > > just fine.
> >
> > Ugh, you have probably discovered a bug in Pro. Could you send me
> > the file by e-mail (or put it in a place where I can retrieve it)?
>
> Thanks for the file. It turns out that the column that you are trying
> to index do contain NaN (Not a Number) values, and this is not supported
> by Pro. You can force the createCSIndex() to complete by applying the
> attached patch, but I doubt that the resulting index would work
> correctly, so I strongly discourage its use.
>
> --
> Francesc Alted
>
>
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