sdf_read_column: Read a Column from a Spark DataFrame
Description
Read a single column from a Spark DataFrame, and return
the contents of that column back to R.
Usage
sdf_read_column(x, column)
Arguments
- x
A spark_connection
, ml_pipeline
, or a tbl_spark
.
- column
The name of a column within x
.
Details
It is expected for this operation to preserve row order.