Reads a JSON stream as a Spark dataframe stream.
stream_read_json(sc, path, name = NULL, columns = NULL,
options = list(), ...)
A spark_connection
.
The path to the file. Needs to be accessible from the cluster. Supports the "hdfs://", "s3a://" and "file://" protocols.
The name to assign to the newly generated stream.
A vector of column names or a named vector of column types.
A list of strings with additional options.
Optional arguments; currently unused.
Other Spark stream serialization: stream_read_csv
,
stream_read_jdbc
,
stream_read_kafka
,
stream_read_orc
,
stream_read_parquet
,
stream_read_text
,
stream_write_csv
,
stream_write_jdbc
,
stream_write_json
,
stream_write_kafka
,
stream_write_memory
,
stream_write_orc
,
stream_write_parquet
,
stream_write_text