Thanks Francesc. I wrote a script to copy data row-wise. It would be nice
to see such a feature in PyTables 3.
- Charles
On Fri, Oct 8, 2010 at 6:18 AM, Francesc Alted <fal...@pytables.org> wrote:
> Hi Charles,
>
> 2010/10/8 Charles Krohn <ctkr...@fallcreekresearch.com>
>
> Is there an easy way to delete columns from a table, or to generate a new
>> table containing only certain columns? The best way I can think of is to
>> create a copy of the source table's description, delete the desired columns,
>> and build a new table using the copied description. This seems kind of
>> cumbersome, though.
>>
>
> Sorry, but there is currently not an 'easy' way to delete columns, so you
> have go the copy venue. The thing is that table data is row-wise, so
> removing a column always implies a complete rewrite of the table.
>
> I'm thinking on implementing a column-wise table object for PyTables so
> that these kind of operation would be efficient to do. Probably that would
> be implemented in PyTables 3.
>
> Cheers,
>
> --
> Francesc Alted
>
>
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experiences on the web. Be a part of the beta today.
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