crossJoin: CrossJoin

In SparkR: R Front End for 'Apache Spark'

Description

Returns Cartesian Product on two SparkDataFrames.

Usage

## S4 method for signature 'SparkDataFrame,SparkDataFrame'
crossJoin(x, y)

Arguments

x	A SparkDataFrame
y	A SparkDataFrame

Value

A SparkDataFrame containing the result of the join operation.

Note

crossJoin since 2.1.0

See Also

merge join

Other SparkDataFrame functions: SparkDataFrame-class, agg(), alias(), arrange(), as.data.frame(), attach,SparkDataFrame-method, broadcast(), cache(), checkpoint(), coalesce(), collect(), colnames(), coltypes(), createOrReplaceTempView(), cube(), dapplyCollect(), dapply(), describe(), dim(), distinct(), dropDuplicates(), dropna(), drop(), dtypes(), exceptAll(), except(), explain(), filter(), first(), gapplyCollect(), gapply(), getNumPartitions(), group_by(), head(), hint(), histogram(), insertInto(), intersectAll(), intersect(), isLocal(), isStreaming(), join(), limit(), localCheckpoint(), merge(), mutate(), ncol(), nrow(), persist(), printSchema(), randomSplit(), rbind(), rename(), repartitionByRange(), repartition(), rollup(), sample(), saveAsTable(), schema(), selectExpr(), select(), showDF(), show(), storageLevel(), str(), subset(), summary(), take(), toJSON(), unionAll(), unionByName(), union(), unpersist(), withColumn(), withWatermark(), with(), write.df(), write.jdbc(), write.json(), write.orc(), write.parquet(), write.stream(), write.text()

Examples

## Not run: 
sparkR.session()
df1 <- read.json(path)
df2 <- read.json(path2)
crossJoin(df1, df2) # Performs a Cartesian

## End(Not run)

SparkR documentation built on June 3, 2021, 5:05 p.m.