copy_to.spark_connection
Copy an R Data Frame to Spark
Description
Copy an R data.frame
to Spark, and return a reference to the generated Spark DataFrame as a tbl_spark
. The returned object will act as a dplyr
-compatible interface to the underlying Spark table.
Usage
copy_tospark_connection( dest, df, name = spark_table_name(substitute(df)), overwrite = FALSE, memory = TRUE, repartition = 0L, … )
Arguments
Argument | Description |
---|---|
dest | A spark_connection . |
df | An data.frame . |
name | The name to assign to the copied table in Spark. |
overwrite | Boolean; overwrite a pre-existing table with the name name
|
if one already exists? memory | Boolean; should the table be cached into memory? repartition | The number of partitions to use when distributing the table across the Spark cluster. The default (0) can be used to avoid partitioning. … | Optional arguments; currently unused.
Value
A tbl_spark
, representing a dplyr
-compatible interface to a Spark DataFrame.