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R
sparklyr

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.

sparklyr

R Interface to Apache Spark

v1.6.2
Apache License 2.0 | file LICENSE
Authors
Javier Luraschi [aut], Kevin Kuo [aut] (<https://orcid.org/0000-0001-7803-7901>), Kevin Ushey [aut], JJ Allaire [aut], Samuel Macedo [ctb], Hossein Falaki [aut], Lu Wang [aut], Andy Zhang [aut], Yitao Li [aut, cre] (<https://orcid.org/0000-0002-1261-905X>), Jozef Hajnala [ctb], Maciej Szymkiewicz [ctb] (<https://orcid.org/0000-0003-1469-9396>), Wil Davis [ctb], RStudio [cph], The Apache Software Foundation [aut, cph]
Initial release

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