Read ORC Stream

Reads an ORC stream as a Spark dataframe stream.

stream_read_orc(sc, path, name = NULL, columns = NULL,
  options = list(), ...)

Arguments

sc

A spark_connection.

path

The path to the file. Needs to be accessible from the cluster. Supports the "hdfs://", "s3a://" and "file://" protocols.

name

The name to assign to the newly generated stream.

columns

A vector of column names or a named vector of column types.

options

A list of strings with additional options.

...

Optional arguments; currently unused.

See also

Examples

if (FALSE) { sc <- spark_connect(master = "local") sdf_len(sc, 10) %>% spark_write_orc("orc-in") stream <- stream_read_orc(sc, "orc-in") %>% stream_write_orc("orc-out") stream_stop(stream) }