sparklyr: sub-.tbl_spark – R documentation

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sub-.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

## S3 method for class 'tbl_spark'
x[i]

Arguments

`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

## Not run: 
library(sparklyr)
sc <- spark_connect(master = "spark://HOST:PORT")
example_sdf <- copy_to(sc, tibble::tibble(a = 1, b = 2))
example_sdf["a"] %>% print()

## End(Not run)

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