Hierarchical Data Types (HDT)

Overview

The Hierarchical Data Type (HDT) Plugin is designed to support hierarchical data structures within Pentaho Data Integration (PDI). It enables users to process and manage nested or tree-structured data efficiently (e.g., JSON).

Installation

Pre-Installation

• Ensure that you have access to the Support Portal. Reach out to your Pentaho Support representative if you do not have access.
• Ensure that any Pentaho Data Integration (PDI) tools (pan, kitchen, Carte, Spoon) and Pentaho Server are fully shut down before beginning the installation.

Installation Instructions

1

Download the Plugin

• Visit the Download section in the Pentaho Support portal

  • Download for PDI 10.2
  • Download for PDI 11.0
• Download the zip file: plugins/Hierarchical Data Type/hierarchical-datatype-plugin-<version>-<build>-dist.zip.

2

Extract the files

Unzip the dowloaded file

3

Run the Installer

• Execute the appropriate script based on your operating system:

  • install.sh for Linux/macOS
  • install.bat for Windows
• Accept the End User License Agreement (EULA) when prompted
• Choose Installation Path

  • For PDI/Spoon: <PENTAHO_HOME>/data-integration/plugins
  • For Pentaho Server: <PENTAHO_HOME>/pentaho-server/pentaho-solutions/system/kettle/plugins
  • Note: <PENTAHO_HOME> is the absolute path of the folder where you have installed Pentaho

Post-installation Steps

• Restart PDI and/or Pentaho Server after installation.
• Sample transformations are included in the plugin release folder for reference.

Further Details

See Hierarchical Data.