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A PostgreSQL Interface for AWS Management Data

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

Connect to AWS Management Data as a JDBC Data Source

To connect to AWS 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.awsdatamanagement.AWSDataManagementDriver

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

    To authorize AWSDataManagement requests, provide the credentials for an administrator account or for an IAM user with custom permissions:

    1. Set AccessKey to the access key Id.
    2. Set SecretKey to the secret access key.
    3. Set Region to the region where your AWSDataManagement data is hosted.

    Note: Though you can connect as the AWS account administrator, it is recommended to use IAM user credentials to access AWS services.

    Built-in Connection String Designer

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

    java -jar cdata.jdbc.awsdatamanagement.jar

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

    A typical JDBC URL is below:

    jdbc:awsdatamanagement:AccessKey=myAccessKey;Account=myAccountName;Region=us-east-1;

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 AWS Management Data as a PostgreSQL Database

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

  1. Log into your database.
  2. Load the extension for the database: CREATE EXTENSION jdbc2_fdw;
  3. Create a server object for AWS Management: CREATE SERVER AWSDataManagement FOREIGN DATA WRAPPER jdbc2_fdw OPTIONS ( drivername 'cdata.jdbc.awsdatamanagement.AWSDataManagementDriver', url 'jdbc:awsdatamanagement:AccessKey=myAccessKey;Account=myAccountName;Region=us-east-1;', querytimeout '15', jarfile '/home/MyUser/CData/CData\ JDBC\ Driver\ for\ Salesforce MyDriverEdition/lib/cdata.jdbc.awsdatamanagement.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 AWSDataManagement OPTIONS ( username 'admin', password 'test');
  5. Create a foreign table in your local database: postgres=# CREATE FOREIGN TABLE northwingproducts ( northwingproducts_id text, northwingproducts_PartitionKey text, northwingproducts_Name numeric) SERVER AWSDataManagement OPTIONS ( table_name 'northwingproducts');
You can now execute read/write commands to AWS Management: postgres=# SELECT * FROM northwingproducts;