Luca Della Santina (el 2008-01-07 a les 11:16:25 +0100) va dir::

>[...]
> I would like to modify the value contained in the third column of the
> second row from the original value of 4 to 5 but couldn't find a quick
> way to do it inside the pytables manual.
> 
> In first stance i tried to:
> mytable[1][2] = 5
> mytable.flush()
> 
> but in this way the new value is not written into the table (even if no
> errors were reported).
>[...]

``Table.modifyColumn()`` is your friend::

    mytable.modifyColumn(start=1, colname='name_of_field2', column=[5])
    mytable.flush()

HTH,

::

        Ivan Vilata i Balaguer   >qo<   http://www.carabos.com/
               Cárabos Coop. V.  V  V   Enjoy Data
                                  ""

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