cacheTable {SparkR}R Documentation

Cache Table

Description

Caches the specified table in-memory.

Usage

cacheTable(sqlContext, tableName)

Arguments

sqlContext

SQLContext to use

tableName

The name of the table being cached

Value

SparkDataFrame

Examples

## Not run: 
##D sc <- sparkR.init()
##D sqlContext <- sparkRSQL.init(sc)
##D path <- "path/to/file.json"
##D df <- read.json(sqlContext, path)
##D registerTempTable(df, "table")
##D cacheTable(sqlContext, "table")
## End(Not run)

[Package SparkR version 2.0.0 Index]