Hi Jonathan,
Looking at the docs [1], I think the filter is supposed to be a boolean
mask.  So unfortunately, I think there are a few steps:

Use an equality kernel [1] on the column of interest and then pass that as
an argument to filter.

-Micah


[1]
https://arrow.apache.org/docs/python/generated/pyarrow.compute.filter.html?highlight=table%20filter#pyarrow-compute-filter
(Table.filter here points for full usage)
[2]
https://arrow.apache.org/docs/python/generated/pyarrow.compute.equal.html#pyarrow.compute.equal

On Thu, Mar 4, 2021 at 2:24 AM jonathan mercier <[email protected]>
wrote:

> I miss to tell that foo is a type of pyarrow.Table
>
> I load the data like this:
>
> from pyarrow.parquet import read_table
> foo = read_table(somewhere)
>
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