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Connect to Google Directory Data in Ruby

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

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

Create an ODBC Connection to Google Directory 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.

Google uses the OAuth authentication standard. You can authorize the data provider to access Google Spreadsheets as an individual user or with a Google Apps Domain service account. See the Getting Started section of the data provider help documentation for an authentication guide.

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 Google Directory Data

Create a new Ruby file (for example: GoogleDirectorySelect.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 GoogleDirectory Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT Id, Description FROM MyTable") #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 Google Directory data with Ruby. To do so, simply run your file from the command line:

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