rename {SparkR}R Documentation

rename

Description

Rename an existing column in a SparkDataFrame.

Usage

rename(x, ...)

withColumnRenamed(x, existingCol, newCol)

## S4 method for signature 'SparkDataFrame,character,character'
withColumnRenamed(x, existingCol, newCol)

## S4 method for signature 'SparkDataFrame'
rename(x, ...)

Arguments

x

A SparkDataFrame

...

A named pair of the form new_column_name = existing_column

existingCol

The name of the column you want to change.

newCol

The new column name.

Value

A SparkDataFrame with the column name changed.

Note

withColumnRenamed since 1.4.0

rename since 1.4.0

See Also

mutate

Other SparkDataFrame functions: SparkDataFrame-class, agg(), alias(), arrange(), as.data.frame(), attach,SparkDataFrame-method, broadcast(), cache(), checkpoint(), coalesce(), collect(), colnames(), coltypes(), createOrReplaceTempView(), crossJoin(), 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(), 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: 
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D newDF <- withColumnRenamed(df, "col1", "newCol1")
## End(Not run)
## Not run: 
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D newDF <- rename(df, col1 = df$newCol1)
## End(Not run)

[Package SparkR version 3.1.2 Index]