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Connect to Redis Data from PowerBuilder

This article demonstrates how to access Redis data from PowerBuilder using the Redis JDBC Driver.

The CData JDBC Driver for Redis is a standards-based control that can be used from any platform or development technology that supports JDBC, including PowerBuilder. This article shows how to use the CData JDBC Driver for Redis in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData JDBC Driver for Redis to perform reads and writes.

Connect to Redis Data from PowerBuilder

Follow the steps below to use the Database Painter tool to create a database profile based on an JDBC URL for Redis. You can use a database profile to save connection properties. In the Database Painter, you can graphically manipulate data as well as execute SQL queries.

  1. Add the driver JAR to the PowerBuilder classpath. Set the CLASSPATH system environment variable to the path to the driver JAR, located in the lib subfolder of the installation directory.

    Note: If you are using PowerBuilder Classic, you can also add the path to the driver JAR by clicking Tools -> System Options -> Java.

  2. Click Tools -> Database Painter.
  3. Right-click the JDBC node and click New Profile.
  4. In the Database Profile Setup dialog, enter the following:
    • Profile Name: Enter a user-friendly name for the profile.
    • Driver Name: Enter the class name of the driver, cdata.jdbc.redis.RedisDriver
    • URL: Enter the JDBC URL.

      Set the following connection properties to connect to a Redis instance:

      • Server: Set this to the name or address of the server your Redis instance is running on. You can specify the port in Port.
      • Password: Set this to the password used to authenticate with a password-protected Redis instance , using the Redis AUTH command.

      Set UseSSL to negotiate SSL/TLS encryption when you connect.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.redis.jar

      Fill in the connection properties and copy the connection string to the clipboard. A typical JDBC URL is below:

      jdbc:redis:Server=127.0.0.1;Port=6379;Password=myPassword;
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using Redis Data with PowerBuilder Controls

You can use standard PowerBuilder objects to connect to JDBC data sources and execute queries. The following example shows how to retrieve Redis data into a DataWindow. You can add the following code to the open method:

SQLCA.DBMS = "JDBC" SQLCA.AutoCommit = False SQLCA.DBParm = "Driver='cdata.jdbc.redis.RedisDriver',URL='jdbc:redis:Server=127.0.0.1;Port=6379;Password=myPassword;"; CONNECT USING SQLCA; dw_customers.SetTransObject(SQLCA); dw_customers.Retrieve();