CloverDX Wrangler

CloverDX Wrangler

User’s Guide

This User’s Guide refers to CloverDX Wrangler 6.2.1 release.

Do not copy or distribute without express permission of CloverDX a.s.

http://www.cloverdx.com

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1. Getting started

How Wrangler works (video)

Quick tutorial (video)

Source: Choosing data for your job

Combining multiple data sources

Lookup configuration
Lookup hints

Job anatomy: Understanding steps and repeatability

Moving between steps

What to consider before adding a column

Column data types

Formulas and calculations

Comparing values
Calculations and functions

Modify values based on a condition

if function
Ternary operator

Working with strings (text)

Working with decimals (including currency)

Working with dates

Errors in your data

No data or some missing?

No value: Working with null and empty values

Replacing empty value with a default value

Filtering data

Getting results from your job

Target: Configuring job output

Mapping your data to specific target

2. Data sources and targets

Introduction

Data sources

My Sources
Adding data sources to My Sources
Updating data source in an existing job
Data source connectors
CSV data sources

Data targets

My Targets
Adding data targets to My Targets
Updating data target in existing job
Target mapping
Downloading and viewing output files
Reject file format
Data target connectors
CSV data targets
Excel data targets

3. Data Catalog

Searching in the Data Catalog
Connector details

4. Transforming data

My Jobs screen

Creating your job
Duplicate job
Job Export and Import
Test run

Working with transformations

Data quality bar

Using Steps sidebar

Data types in Wrangler

Integer data type
Decimal data type
Date data type
String data type
Boolean data type
Empty values

Formatting your data

Integer formatting
Decimal formatting
Date formatting

Using formulas

Quick example
Mathematical operators
Comparison operators
Logical operators

Error handling in Wrangler

Errors in data
Validation errors
Errors occurring during step execution
Step configuration errors
Errors and output

Fixing errors

Fixing data errors
Fixing step execution errors
Fixing step configuration errors

Running jobs in Wrangler

Viewing job status
Job run details

How does Wrangler expression language differ from CTL?

Data types
if function
How to use CTL functions in Wrangler?

List of common functions

Date functions
String functions
Conversion functions

5. Transformation steps

Data set manipulation steps

Add column
Duplicate column
Delete column(s)
Rename column
Reorder columns
Split column
Filter rows based on formula
Sort
Lookup
Calculate formula

Text manipulation steps

Left substring
Right substring
Substring
Trim
Pad left
Pad right
Normalize whitespaces
Remove whitespaces
Remove accents
Lowercase
Propercase
Uppercase
Remove non-alphanumeric characters
Remove non-ASCII characters
Remove non-numeric characters
Remove non-printable characters
Replace text
Mask text

Data validation (data quality) steps

Validate against list
Validate credit card
Validate email
Validate if not empty
Validate pattern match
Validate phone number
Validate text length
Validate value range
Validate with formula

Error handling steps

Remove rows with errors
Replace errors
Replace empty values
Clear error cells

Math steps

Absolute value
Round step
Truncate
Square root
Exponential
Raise number to a power
Natural logarithm
Common logarithm
Ceiling
Floor
Division remainder

Date manipulation steps

Current date and time
Date add/subtract
Date difference
Get part of date

Data conversion steps

Convert to boolean
Convert to date
Convert to decimal
Convert to integer
Convert to string
Convert Unix time to date

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