Description

This class holds settings to control how a Parquet file is read by ParquetFileReader.

Factory

The ParquetArrowReaderProperties$create() factory method instantiates the object and takes the following arguments:

• use_threads Logical: whether to use multithreading (default TRUE)

Methods

• $read_dictionary(column_index)

• $set_read_dictionary(column_index, read_dict)

• $use_threads(use_threads)