Cache Table

Caches the specified table in-memory.

Usage

cacheTable(tableName)

Arguments

tableName

the qualified or unqualified name that designates a table. If no database identifier is provided, it refers to a table in the current database. The table name can be fully qualified with catalog name since 3.4.0.

Value

SparkDataFrame

Note

cacheTable since 1.4.0

Examples

if (FALSE) {
sparkR.session()
path <- "path/to/file.json"
df <- read.json(path)
createOrReplaceTempView(df, "table")
cacheTable("table")
}