Returns a list of columns for the given table/view in the specified database

Returns a list of columns for the given table/view in the specified database.

Usage

listColumns(tableName, databaseName = NULL)

Arguments

tableName

the qualified or unqualified name that designates a table/view. If no database identifier is provided, it refers to a table/view in the current database. If databaseName parameter is specified, this must be an unqualified name.

databaseName

(optional) name of the database

Value

a SparkDataFrame of the list of column descriptions.

Note

since 2.2.0

Examples

if (FALSE) {
sparkR.session()
listColumns("mytable")
}