Python 3.10
pip virtualenv 3.10.z arrow
pyenv activate arrowpip install -U pip setuptools wheelpip install pyarrowimport pyarrow.parquet as pq
pq.read_table('birthdays.parquet')pyarrow.Table
years: int16 not null
months: int8 not null
days: int8 not null
----
years: [[1990,2000,1995,2000,1995]]
months: [[1,3,5,7,1]]
days: [[1,12,17,23,28]]