ParquetArrowReaderProperties {arrow} | R 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 (defaultTRUE
)
Methods
-
$read_dictionary(column_index)
-
$set_read_dictionary(column_index, read_dict)
-
$use_threads(use_threads)
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