Save / Load a Spark DataFrame

Routines for saving and loading Spark DataFrames.

sdf_save_table(x, name, overwrite = FALSE, append = FALSE)

sdf_load_table(sc, name)

sdf_save_parquet(x, path, overwrite = FALSE, append = FALSE)

sdf_load_parquet(sc, path)

Arguments

x

An object coercable to a Spark DataFrame (typically, a tbl_spark).

name

The table name to assign to the saved Spark DataFrame.

overwrite

Boolean; overwrite a pre-existing table of the same name?

append

Boolean; append to a pre-existing table of the same name?

sc

A spark_connection object.

path

The path where the Spark DataFrame should be saved.