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GraphQL Icon GraphQL ODBC Driver

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

Access GraphQL data like you would a database through a standard ODBC Driver interface.

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Connect to GraphQL Data in Ruby


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

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

Create an ODBC Connection to GraphQL 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 must specify the URL of the GraphQL service. The driver supports two types of authentication:

  • Basic: Set AuthScheme to Basic. You must specify the User and Password of the GraphQL service.
  • OAuth 1.0 & 2.0: Take a look at the OAuth section in the Help documentation for detailed instructions.

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 GraphQL Data

Create a new Ruby file (for example: GraphQLSelect.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 GraphQL Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT Name, Email FROM Users WHERE UserLogin = 'admin'") #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 GraphQL data with Ruby. To do so, simply run your file from the command line:

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