ParquetArrowReaderProperties: ParquetArrowReaderProperties class

ParquetArrowReaderPropertiesR Documentation

ParquetArrowReaderProperties class

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)


arrow documentation built on Dec. 6, 2022, 5:10 p.m.