Integrate MongoDB Data in Pentaho Data Integration

The CData JDBC Driver for MongoDB enables access to live data from data pipelines. Pentaho Data Integration is an Extraction, Transformation, and Loading (ETL) engine that data, cleanses the data, and stores data using a uniform format that is accessible.This article shows how to connect to MongoDB data as a JDBC data source and build jobs and transformations based on MongoDB data in Pentaho Data Integration.

Getting Started

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Configure to MongoDB Connectivity

Set the Server, Database, User, and Password connection properties to connect to MongoDB. To access MongoDB collections as tables you can use automatic schema discovery or write your own schema definitions. Schemas are defined in .rsd files, which have a simple format. You can also execute free-form queries that are not tied to the schema.

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the MongoDB JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.mongodb.jar

Fill in the connection properties and copy the connection string to the clipboard.

When you configure the JDBC URL, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

Below is a typical JDBC URL:

jdbc:mongodb:Server=MyServer;Port=27017;Database=test;User=test;Password=Password;

Save your connection string for use in Pentaho Data Integration.

Connect to MongoDB from Pentaho DI

Open Pentaho Data Integration and select "Database Connection" to configure a connection to the CData JDBC Driver for MongoDB

1. Click "General"
2. Set Connection name (e.g. MongoDB Connection)
3. Set Connection type to "Generic database"
4. Set Access to "Native (JDBC)"
5. Set Custom connection URL to your MongoDB connection string (e.g.
   

   jdbc:mongodb:Server=MyServer;Port=27017;Database=test;User=test;Password=Password;

6. Set Custom driver class name to "cdata.jdbc.mongodb.MongoDBDriver" 👁 Configuring the JDBC Driver connection.
   
7. Test the connection and click "OK" to save. 👁 Saving the connection.
   

Create a Data Pipeline for MongoDB

Once the connection to MongoDB is configured using the CData JDBC Driver, you are ready to create a new transformation or job.

1. Click "File" >> "New" >> "Transformation/job"
2. Drag a "Table input" object into the workflow panel and select your MongoDB connection. 👁 Configuring the Table input object
   
3. Click "Get SQL select statement" and use the Database Explorer to view the available tables and views. 👁 Selecting data (QuickBooks Online is shown).
   
4. Select a table and optionally preview the data for verification. 👁 Previewing the data (QuickBooks Online is shown).
   

At this point, you can continue your transformation or jb by selecting a suitable destination and adding any transformations to modify, filter, or otherwise alter the data during replication.

Free Trial & More Information

Download a free, 30-day trial of the CData JDBC Driver for MongoDB and start working with your live MongoDB data in Pentaho Data Integration today.