Connect to HPCC Systems Data from PowerBuilder

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HPCC JDBC Driver

Rapidly create and deploy powerful Java applications that integrate with HPCC Systems!



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

The CData JDBC Driver for HPCC Systems 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 HPCC Systems in PowerBuilder.

This article shows how to create a basic PowerBuilder application that uses the CData JDBC Driver for HPCC Systems to retrieve data.

Connect to HPCC Systems Data from PowerBuilder

Follow the steps below to use the Database Painter tool to create a database profile based on an JDBC URL for HPCC Systems. 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.hpcc.HPCCDriver
    • URL: Enter the JDBC URL.

      To connect, set the following connection properties: Set URL to the machine name or IP address of the server and the port the server is running on, for example, https://server:port. The User and Password are required to authenticate to the HPCC Systems cluster specified in the URL. Note that LDAP authentication is not currently supported by our ODBC driver.

      Set Version to the WsSQL Web server version. Note that if you have not already done so, you will need to install the WsSQL service on the HPCC Systems server. The WsSQL Web service is used to interact with the underlying HPCC Systems platform.

      Set Cluster to the target cluster.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.hpcc.jar

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

      jdbc:hpcc:URL=http://127.0.0.1:8510;User=test;password=xA123456;Version=1;Cluster=hthor;
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using HPCC Systems 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 HPCC Systems 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.hpcc.HPCCDriver',URL='jdbc:hpcc:URL=http://127.0.0.1:8510;User=test;password=xA123456;Version=1;Cluster=hthor;"; CONNECT USING SQLCA; dw_hpcc::test::orders.SetTransObject(SQLCA); dw_hpcc::test::orders.Retrieve();