Hash

This node adds a new Columns which contains the Hash of the specified columns

Input

It accepts a DataFrame as input from the previous Node

Output

A new column is added to the incoming DataFrame by creating a Hash of the specified input columns.

Type

transform

Fields

Name	Title	Description
inputCols	Columns	Columns to be concatenated
hashingAlgorithm	Hashing Algorithm	Hashing Algorithm SHA2 & MD5, by default MD5)
outputCol	Output Column Name	Column name for Hash
bitLength	Bit Length	Bit Length(used in SHA2) and Hashing node bitLength-(0, 224, 256, 384, 512)
sep	Separator	Separator to be used when concatenating the columns

Examples

Input

id	label	f1	f2
6	1.0	2.1	2.0
4	0.0	4.1	5.0
5	0.0	3.1	6.0
66	1.0	2.1	2.0

Parameters1

Name	Value
Columns	f1 f2
Hashing Algorithm	SH2
Output Column Name	sh2_hash
Bit Length	0
separator

Output1

id	label	f1	f2	sh2_hash
6	1.0	2.1	2.0	1476beec9dd8dc61bb617ba15e068e43ad918c83cc543d290f45a219d603e75c
4	0.0	4.1	5.0	fcfeacf3a36da93855bf43bca5b6942e09f76330692d8a666a0215d3ce05889f
5	0.0	3.1	6.0	a7c8371a5a7b55d0f4e5dff4e083b5d3c82f83b025ff26f4123bd4c348a8bbb2
66	1.0	2.1	2.0	1476beec9dd8dc61bb617ba15e068e43ad918c83cc543d290f45a219d603e75c

---

Parameters2

Name	Value
Columns	f1 f2
Hashing Algorithm	MD5
Output Column Name	md5_hash
Bit Length
separator

Output2

id	label	f1	f2	md5_hash
6	1.0	2.1	2.0	32d7edaf74fd94509361bcd1f0c56763
4	0.0	4.1	5.0	f2880da79c8d1c255c1afdba28a9001e
5	0.0	3.1	6.0	c5c2c80d0b26cecafe376dc4cdc91e6f
66	1.0	2.1	2.0	32d7edaf74fd94509361bcd1f0c56763