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Process & Analyze WordPress Data in Azure Databricks

Host the CData JDBC Driver for WordPress in Azure and use Databricks to perform data engineering and data science on live WordPress data.

Databricks is a cloud-based service that provides data processing capabilities through Apache Spark. When paired with the CData JDBC Driver, customers can use Databricks to perform data engineering and data science on live WordPress data. This article walks through hosting the CData JDBC Driver in Azure, as well as connecting to and processing live WordPress data in Databricks.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live WordPress data. When you issue complex SQL queries to WordPress, the driver pushes supported SQL operations, like filters and aggregations, directly to WordPress and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze WordPress data using native data types.

Install the CData JDBC Driver in Azure

To work with live WordPress data in Databricks, install the driver on your Azure cluster.

  1. Navigate to your Databricks administration screen and select the target cluster.
  2. On the Libraries tab, click "Install New."
  3. Select "Upload" as the Library Source and "Jar" as the Library Type.
  4. Upload the JDBC JAR file (cdata.jdbc.wordpress.jar) from the installation location (typically C:\Program Files\CData\CData JDBC Driver for WordPress\lib).

Connect to Salesforce from Databricks

With the JAR file installed, we are ready to work with live WordPress data in Databricks. Start by creating a new notebook in your workspace. Name the notebook, select Python as the language (though Scala is available as well), and choose the cluster where you installed the JDBC driver. When the notebook launches, we can configure the connection, query WordPress, and create a basic report.

Configure the Connection to WordPress

Connect to WordPress by referencing the class for the JDBC Driver and constructing a connection string to use in the JDBC URL.

driver = "cdata.jdbc.wordpress.WordPressDriver"
url = "jdbc:wordpress:Url=http://www.yourwordpresshost.com;InitiateOAuth=GETANDREFRESH"

Built-in Connection String Designer

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

java -jar cdata.jdbc.wordpress.jar

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

To connect to WordPress, set the URL property and other authentication properties. WordPress supports Basic (User and Password) and OAuth2.0 authentication, though Basic is recommended for a testing environment only. To connect with OAuth you will need to register an app with WordPress.

See the Getting Started guide in the CData driver documentation for more information.

Load WordPress Data

Once the connection is configured, you can load WordPress data as a dataframe using the CData JDBC Driver and the connection information.

remote_table = spark.read.format ( "jdbc" ) \
	.option ( "driver" , driver) \
	.option ( "url" , url) \
	.option ( "dbtable" , "Categories") \
	.load ()

Display WordPress Data

Check the loaded WordPress data by calling the display function.

display (remote_table.select ("Id"))

Analyze WordPress Data in Azure Databricks

If you want to process data with Databricks SparkSQL, register the loaded data as a Temp View.

remote_table.createOrReplaceTempView ( "SAMPLE_VIEW" )

The SparkSQL below retrieves the WordPress data for analysis.

% sql

SELECT Id, Name FROM Categories

The data from WordPress is only available in the target notebook. If you want to use it with other users, save it as a table.

remote_table.write.format ( "parquet" ) .saveAsTable ( "SAMPLE_TABLE" )

Download a free, 30-day trial of the CData JDBC Driver for WordPress and start working with your live WordPress data in Apache NiFi. Reach out to our Support Team if you have any questions.