[.tbl_spark

Subsetting operator for Spark dataframe

Description

Susetting operator for Spark dataframe allowing a subset of column(s) to be selected using syntaxes similar to those supported by R dataframes

Usage

[tbl_spark(x, i)

Arguments

Argument	Description
x	The Spark dataframe
i	Expression specifying subset of column(s) to include or exclude from the result (e.g., ["col1"], [c("col1", "col2")], [1:10], [-1], [NULL], or [])

Examples

library(sparklyr)
sc <- spark_connect(master = "spark://HOST:PORT")
example_sdf <- copy_to(sc, tibble::tibble(a = 1, b = 2))
example_sdf["a"] %>% print()