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A PostgreSQL Interface for Azure Management Data

Use the Remoting features of the Azure Management JDBC Driver to create a PostgreSQL entry-point for data access.

There are a vast number of PostgreSQL clients available on the Internet. From standard Drivers to BI and Analytics tools, PostgreSQL is a popular interface for data access. Using our JDBC Drivers, you can now create PostgreSQL entry-points that you can connect to from any standard client.

To access Azure Management data as a PostgreSQL database, use the CData JDBC Driver for Azure Management and a JDBC foreign data wrapper (FDW). In this article, we compile the FDW, install it, and query Azure Management data from PostgreSQL Server.

Connect to Azure Management Data as a JDBC Data Source

To connect to Azure Management as a JDBC data source, you will need the following:

  • Driver JAR path: The JAR is located in the lib subfolder of the installation directory.
  • Driver class: cdata.jdbc.azuredatamanagement.AzureDataManagementDriver

  • JDBC URL: The URL must start with "jdbc:azuredatamanagement:" and can include any of the connection properties in name-value pairs separated with semicolons.

    Azure Data Management uses the OAuth 2 authentication standard. See the Getting Started section of the CData driver documentation for a guide.

    Built-in Connection String Designer

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

    java -jar cdata.jdbc.azuredatamanagement.jar

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

    A typical JDBC URL is below:


Build the JDBC Foreign Data Wrapper

The Foreign Data Wrapper can be installed as an extension to PostgreSQL, without recompiling PostgreSQL. The jdbc2_fdw extension is used as an example.

  1. Add a symlink from the shared object for your version of the JRE to /usr/lib/ For example: ln -s /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server/ /usr/lib/
  2. Start the build: make install USE_PGXS=1

Query Azure Management Data as a PostgreSQL Database

After you have installed the extension, follow the steps below to start executing queries to Azure Management data:

  1. Log into your database.
  2. Load the extension for the database: CREATE EXTENSION jdbc2_fdw;
  3. Create a server object for Azure Management: CREATE SERVER AzureDataManagement FOREIGN DATA WRAPPER jdbc2_fdw OPTIONS ( drivername 'cdata.jdbc.azuredatamanagement.AzureDataManagementDriver', url 'jdbc:azuredatamanagement:InitiateOAuth=GETANDREFRESH', querytimeout '15', jarfile '/home/MyUser/CData/CData\ JDBC\ Driver\ for\ Salesforce MyDriverEdition/lib/cdata.jdbc.azuredatamanagement.jar');
  4. Create a user mapping for the username and password of a user known to the MySQL daemon. CREATE USER MAPPING for postgres SERVER AzureDataManagement OPTIONS ( username 'admin', password 'test');
  5. Create a foreign table in your local database: postgres=# CREATE FOREIGN TABLE subscriptions ( subscriptions_id text, subscriptions_DisplayName text, subscriptions_AuthorizationSource numeric) SERVER AzureDataManagement OPTIONS ( table_name 'subscriptions');
You can now execute read/write commands to Azure Management: postgres=# SELECT * FROM subscriptions;