Re: [Pytables-users] where() with start/stop args returning incorrect result set

[Anthony S. <sc...@gm...>]

Hi Derek,

Can you please run the following command and report back what you see?

python -c "import tables; tables.test()"

Be Well
Anthony

On Mon, Sep 24, 2012 at 10:56 PM, Derek Shockey <der...@gm...>wrote:

> Hello,
>
> I'm hoping someone can help me. When I specify start and stop values
> for calls to where() and readWhere(), it is returning blatantly
> incorrect results:
>
> >>> table.readWhere("id == 'ceec536a-394e-4dd7-a182-eea557f3bb93'",
> start=3257, stop=table.nrows)[0]['id']
> '7f589d3e-a0e1-4882-b69b-0223a7de3801'
>
> >>> table.where("id == 'ceec536a-394e-4dd7-a182-eea557f3bb93'",
> start=3257, stop=table.nrows).next()['id']
> '7f589d3e-a0e1-4882-b69b-0223a7de3801'
>
> This happens with a sequential block of about 150 rows of data, and
> each time it seems to be 8 rows off (i.e. the row it returns is 8 rows
> ahead of the row it should be returning). If I remove the start and
> stop args, it behaves correctly. This seems to be a bug, unless I am
> misunderstanding something. I'm using Python 2.7.3, PyTables 2.4.0,
> and hdf5 1.8.9 on OS X 10.8.2.
>
> Any ideas?
>
> Thanks,
> Derek
>
>
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