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Connect to Google Spanner Data from PowerBuilder

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

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

※製品について詳しい情報をご希望の方は以下からお進みください。

Create a Profile for the ODBC Driver for Google Spanner

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

  1. If you have not already done so, create an ODBC DSN for Google Spanner. The DSN contains the connection properties required to connect to Google Spanner 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:
    • ProjectId
    • InstanceId
    • Database

    GoogleSpanner はOAuth 認証標準を利用しています。各ユーザーやドメイン内のユーザーの代わりに、本製品がGoogle API にアクセスすることを許可できます。詳しくは、ヘルプドキュメントの「OAuth の使用」を参照してください。

    See the help documentation for a guide to creating a Google Spanner 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 Google Spanner DSN in the Data Source menu.
  5. To view and modify a table, right-click a table and then click Edit Data -> Grid.

Using Google Spanner 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 Google Spanner data into a DataWindow. You can add the following code to the open method:

SQLCA.DBMS = "ODBC" SQLCA.DBParm = "ConnectString='DSN=CData Google Spanner Source'" CONNECT USING SQLCA; dw_customer.SetTransObject(SQLCA); dw_customer.Retrieve();
 
 
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