Arrow CSV and JSON table reader classes

Source: R/csv.R, R/json.R

CsvTableReader and JsonTableReader wrap the Arrow C++ CSV and JSON table readers. See their usage in read_csv_arrow() and read_json_arrow(), respectively.

Factory

The CsvTableReader$create() and JsonTableReader$create() factory methods take the following arguments:

  • file An Arrow InputStream

  • convert_options (CSV only), parse_options, read_options: see CsvReadOptions

  • ... additional parameters.

Methods

  • $Read(): returns an Arrow Table.