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Rapidly create and deploy powerful Java applications that integrate with PostgreSQL-compatible database engines.

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Connect to PostgreSQL Data from PowerBuilder


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

The CData JDBC Driver for PostgreSQL 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 PostgreSQL in PowerBuilder.

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

Connect to PostgreSQL Data from PowerBuilder

Follow the steps below to use the Database Painter tool to create a database profile based on an JDBC URL for PostgreSQL. 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.postgresql.PostgreSQLDriver
    • URL: Enter the JDBC URL.

      To connect to PostgreSQL, set the Server, Port (the default port is 5432), and Database connection properties and set the User and Password you wish to use to authenticate to the server. If the Database property is not specified, the data provider connects to the user's default database.

      Built-in Connection String Designer

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

      java -jar cdata.jdbc.postgresql.jar

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

      jdbc:postgresql:User=postgres;Password=admin;Database=postgres;Server=127.0.0.1;Port=5432;
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using PostgreSQL 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 PostgreSQL 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.postgresql.PostgreSQLDriver',URL='jdbc:postgresql:User=postgres;Password=admin;Database=postgres;Server=127.0.0.1;Port=5432;"; CONNECT USING SQLCA; dw_orders.SetTransObject(SQLCA); dw_orders.Retrieve();