CastColumnType

This node creates a new DataFrame by casting input columns with a new data type

Input

This type of node takes in a DataFrame and transforms it to another DataFrame

Output

This node casts the data type of columns as specified

Type

transform

Fields

Name	Title	Description
inputCols	Columns	Columns to be cast to new data type
outputColType	New Data Type	New data type(INTEGER, DOUBLE, STRING, LONG, SHORT)
replaceExistingCols	Replace Existing Cols	Whether to replace existing columns or create new ones

Examples

Input

name	age	height
StringType	StringType	StringType
Alice	5	80
Alice	5	80
Alice	10	80

Parameters1 ----------

Name	Value
Columns	age,height
New Data Type	DOUBLE
Replace Existing Cols	true

Output1

name	age	height
DoubleType	DoubleType	DoubleType
Alice	5.0	80.0
Alice	5.0	80.0
Alice	10.0	80.0

Parameters2 ----------

Name	Value
Columns	age,height
New Data Type	DOUBLE
Replace Existing Cols	false

Output2

name	age	height	age-new	height-new
DoubleType	StringType	StringType	DoubleType	DoubleType
Alice	5	80	5.0	80.0
Alice	5	80	5.0	80.0
Alice	10	80	10.0	80.0