Casts the column to a different data type.
cast.RdCasts the column to a different data type.
Arguments
- x
- a Column. 
- dataType
- a character object describing the target data type. See Spark Data Types for available data types. 
cast.RdCasts the column to a different data type.
a Column.
a character object describing the target data type. See Spark Data Types for available data types.