R: Get schema object

schema,DataFrame-method {SparkR}

R Documentation

Get schema object

Description

Returns the schema of this DataFrame as a structType object.

Usage

## S4 method for signature 'DataFrame'
schema(x)

columns(x)

dtypes(x)

printSchema(x)

schema(x)

Arguments

`x`	A SparkSQL DataFrame

Examples

## Not run: 
##D sc <- sparkR.init()
##D sqlContext <- sparkRSQL.init(sc)
##D path <- "path/to/file.json"
##D df <- jsonFile(sqlContext, path)
##D dfSchema <- schema(df)
## End(Not run)

[Package SparkR version 1.4.0 Index]