sdf_read_column: Read a Column from a Spark DataFrame

View source: R/sdf_wrapper.R

sdf_read_columnR Documentation

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.


sparklyr documentation built on June 8, 2022, 1:07 a.m.