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Connect to SAP Fieldglass Data in Ruby

Connect to SAP Fieldglass data in Ruby with ruby-dbi, dbd-odbc, and ruby-odbc.

The CData ODBC Driver for SAP Fieldglass makes it easy to integrate connectivity to live SAP Fieldglass data in Ruby. This article shows how to create a simple Ruby app that connects to SAP Fieldglass data, executes a query, and displays the results.

Create an ODBC Connection to SAP Fieldglass Data

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.

To authenticate, you will need to specify the Username, Password, APIKey, and EnvironmentURL connection properties.

To obtain an APIKey, log in to the SAP API Business Hub and click on Get API Key.

Installing Ruby and Necessary Gems

If you do not have Ruby installed, refer to the Ruby installation page. With Ruby installed, you will need to install the ruby-dbi, dbd-odbc, and ruby-odbc gems:

gem install dbi gem install dbd-odbc gem install ruby-odbc

Create a Ruby App with Connectivity to SAP Fieldglass Data

Create a new Ruby file (for example: SAPFieldglassSelect.rb) and open it in a text editor. Copy the following code into your file:

#connect to the DSN require 'DBI' cnxn = DBI.connect('DBI:ODBC:CData SAPFieldglass Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT Id, Category FROM AuditTrails WHERE Company = 'CData'") #display the names of the columns resultSet.column_names.each do |name| print name, "\t" end puts #display the results while row = resultSet.fetch do (0..resultSet.column_names.size - 1).each do |n| print row[n], "\t" end puts end resultSet.finish #close the connection cnxn.disconnect if cnxn

With the file completed, you are ready to display your SAP Fieldglass data with Ruby. To do so, simply run your file from the command line:

ruby SAPFieldglassSelect.rb Writing SQL-92 queries to SAP Fieldglass allows you to quickly and easily incorporate SAP Fieldglass data into your own Ruby applications. Download a free trial today!