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A PostgreSQL Interface for Dynamics NAV Data

Use the Remoting features of the Dynamics NAV 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 Dynamics NAV data as a PostgreSQL database, use the CData JDBC Driver for Dynamics NAV and a JDBC foreign data wrapper (FDW). In this article, we compile the FDW, install it, and query Dynamics NAV data from PostgreSQL Server.

Connect to Dynamics NAV Data as a JDBC Data Source

To connect to Dynamics NAV 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.dynamicsnav.DynamicsNAVDriver

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

    Before you can connect, OData Services will need to be enabled on the server. Once OData Services are enabled, you will be able to query any Services that are published on the server.

    The User and Password properties, under the Authentication section, must be set to valid Dynamics NAV user credentials. In addition, you will need to specify a URL to a valid Dynamics NAV server organization root and a ServerInstance. If there is not a Service Default Company for the server, you will need to set the Company as well.

    Built-in Connection String Designer

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

    java -jar cdata.jdbc.dynamicsnav.jar

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

    A typical JDBC URL is below:

    jdbc:dynamicsnav:http://myserver:7048;User=myserver\Administrator;Password=admin;ServerInstance=DYNAMICSNAV71;

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/libjvm.so. For example: ln -s /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server/libjvm.so /usr/lib/libjvm.so
  2. Start the build: make install USE_PGXS=1

Query Dynamics NAV Data as a PostgreSQL Database

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

  1. Log into your database.
  2. Load the extension for the database: CREATE EXTENSION jdbc2_fdw;
  3. Create a server object for Dynamics NAV: CREATE SERVER DynamicsNAV FOREIGN DATA WRAPPER jdbc2_fdw OPTIONS ( drivername 'cdata.jdbc.dynamicsnav.DynamicsNAVDriver', url 'jdbc:dynamicsnav:http://myserver:7048;User=myserver\Administrator;Password=admin;ServerInstance=DYNAMICSNAV71;', querytimeout '15', jarfile '/home/MyUser/CData/CData\ JDBC\ Driver\ for\ Salesforce MyDriverEdition/lib/cdata.jdbc.dynamicsnav.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 DynamicsNAV OPTIONS ( username 'admin', password 'test');
  5. Create a foreign table in your local database: postgres=# CREATE FOREIGN TABLE customer ( customer_id text, customer_Name text, customer_Prices_Including_VAT numeric) SERVER DynamicsNAV OPTIONS ( table_name 'customer');
You can now execute read/write commands to Dynamics NAV: postgres=# SELECT * FROM customer;