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

With the SAP ODBC Driver, accessing SAP R/3 and SAP ERP is as easy as querying a database.

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Connect to SAP Data in Ruby


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

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

Create an ODBC Connection to SAP 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.

You can connect to SAP systems using either librfc32.dll, librfc32u.dll, NetWeaver, or Web Services (SOAP). Set the ConnectionType connection property to CLASSIC (librfc32.dll), CLASSIC_UNICODE (librfc32u.dll), NETWEAVER, or SOAP.

If you are using the SOAP interface, set the Client, RFCUrl, SystemNumber, User, and Password properties, under the Authentication section.

Otherwise, set Host, User, Password, Client, and SystemNumber.

Note: We do not distribute the librfc32.dll or other SAP assemblies. You must find them from your SAP installation and install them on your machine.

For more information, see this guide on obtaining the connection properties needed to connect to any SAP system.

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 Data

Create a new Ruby file (for example: SAPERPSelect.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 SAPERP Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT MANDT, MBRSH FROM MARA") #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 data with Ruby. To do so, simply run your file from the command line:

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