Connect to MongoDB Data from PowerBuilder

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MongoDB ODBC Driver

The MongoDB ODBC Driver is a powerful tool that allows you to connect with live MongoDB document databases, directly from any applications that support ODBC connectivity.

Access MongoDB like you would a database - read, write, and update through a standard ODBC Driver interface.



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

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

Connect to MongoDB as an ODBC Data Source

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

Set the Server, Database, User, and Password connection properties to connect to MongoDB. To access MongoDB collections as tables you can use automatic schema discovery or write your own schema definitions. Schemas are defined in .rsd files, which have a simple format. You can also execute free-form queries that are not tied to the schema.

Create a Profile for the ODBC Driver for MongoDB

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

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

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

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