Description

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().

Factory

The FeatherReader$create() factory method instantiates the object and takes the following argument:

• file an Arrow file connection object inheriting from RandomAccessFile.

Methods

• $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