This class enables you to interact with Feather files. Create
one to connect to a file or other InputStream, and call Read()
on it to
make an arrow::Table
. See its usage in read_feather()
.
The FeatherReader$create()
factory method instantiates the object and
takes the following argument:
file
an Arrow file connection object inheriting from RandomAccessFile
.
$Read(columns)
: Returns a Table
of the selected columns, a vector of
integer indices
$column_names
: Active binding, returns the column names in the Feather file
$schema
: Active binding, returns the schema of the Feather file
$version
: Active binding, returns 1
or 2
, according to the Feather
file version