This class holds settings to control how a Parquet file is read by ParquetFileReader.
The ParquetArrowReaderProperties$create()
factory method instantiates the object
and takes the following arguments:
use_threads
Logical: whether to use multithreading (default TRUE
)
$read_dictionary(column_index)
$set_read_dictionary(column_index, read_dict)
$use_threads(use_threads)