Re: [Pytables-users] error creating table with many columns

[Francesc A. <fa...@ca...>]

A Dimarts 04 Octubre 2005 21:14, Stefan Kuzminski va escriure:
> I can create multiple tables in the same group that are 500 columns, so
> I suppose this is a limit in a single table's header?  The overall size
> of the full file does not seem limited. ( I hope )

Yes, that's right. Header table data (i.e. where the information on
the table structure is kept) has a limit of 16k, while actual data
space has not limit (I've created tables with more than 100 GB of data
with not problem).

> The data is heterogenous so muti-dimensional columns aren't applicable.
>  I suppose we will have to split the big datasets apart into multiple
> tables and iterate them in parallel.

Well, that's a possibility.

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