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sdf_last_index

Returns the last index of a Spark DataFrame

Description

Returns the last index of a Spark DataFrame. The Spark mapPartitionsWithIndex function is used to iterate through the last nonempty partition of the RDD to find the last record.

Usage

sdf_last_index(x, id = "id")

Arguments

x

A spark_connection, ml_pipeline, or a tbl_spark.
id

The name of the index column.
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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