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 Sept. 11, 2024, 8:02 p.m.