JSON dataset file format

AJsonFileFormat is aFileFormat subclass which holds information about how toread and parse the files included in a JSONDataset.

Value

AJsonFileFormat object

Factory

JsonFileFormat$create() can take options in the form of lists passed through asparse_options,orread_options parameters.

Availableread_options parameters:

• use_threads: Whether to use the global CPU thread pool. DefaultTRUE. IfFALSE, JSON input must end with anempty line.

• block_size: Block size we request from the IO layer; also determines size of chunks whenuse_threadsisTRUE.

Availableparse_options parameters:

• newlines_in_values:Logical: are values allowed to contain CR (0x0d or\r) and LF (0x0a or\n)characters? (defaultFALSE)

See also

Examples