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Connect to Greenplum Data from PowerBuilder

This article demonstrates how to use the CData ODBC Driver for Greenplum to connect to Greenplum data and execute queries in PowerBuilder.

The CData ODBC Driver for Greenplum can be used from any platform or development technology that supports ODBC, including Sybase PowerBuilder. This article shows how to connect to Greenplum data and execute queries from the Database Painter and controls such as the DataWindow.

Create a Profile for the ODBC Driver for Greenplum

Follow the steps below to use the Database Painter tool to create a database profile based on an ODBC DSN (data source name) for Greenplum. In the Database Painter, you can use wizards and the UI to work with Greenplum data.

  1. If you have not already done so, create an ODBC DSN for Greenplum. The DSN contains the connection properties required to connect to Greenplum data. You can use the Microsoft ODBC Data Source Administrator to create and configure DSNs. This is the last step of installing the driver. Required connection properties are the following:
    • User
    • Password
    • Database
    • Server
    • Port

    Greenplum に接続するには、Server、Port (デフォルトポートは5432)、およびDatabase 接続プロパティを設定して、サーバーへの認証に使用するUser とPassword を設定します。Database プロパティが指定されていない場合、本製品はユーザーのデフォルトデータベース(ユーザーと同じ名前になります)に接続します。

    See the help documentation for a guide to creating a Greenplum DSN.
  2. In PowerBuilder, click Tools -> Database Painter.
  3. In the Objects window in the Database Painter, right-click the ODBC node and click New Profile.
  4. On the Connection tab, enter a name for the profile and select the Greenplum DSN in the Data Source menu.
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using Greenplum Data with PowerBuilder Controls

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

SQLCA.DBMS = "ODBC" SQLCA.DBParm = "ConnectString='DSN=CData Greenplum Source'" CONNECT USING SQLCA; dw_orders.SetTransObject(SQLCA); dw_orders.Retrieve();
 
 
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