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Work with Amazon Athena Data in MS Excel on Mac OS X

Create a Data Source Name in iODBC with the CData ODBC Driver for Amazon Athena and work with Amazon Athena data in Microsoft Excel on Mac OS X.

Microsoft Excel features calculations, graphing tools, pivot tables, and a macro programming language that allows users to work with data in many of the ways that suit their needs, whether on a Windows machine or a Macintosh machine. This article walks through creating a DSN for Amazon Athena data in iODBC and accessing Amazon Athena data in Microsoft Excel, all on a machine running Mac OS X.

Installing the CData ODBC Drivers on Mac OS X

The CData ODBC Driver for Amazon Athena is preconfigured for the iODBC driver manager, as are many other products like Microsoft Excel. This makes the driver easy to use with these tools.

Licensing the Driver

In a terminal run the following commands to license the driver. To activate a trial license, omit the key input.

cd "/Applications/CData ODBC Driver for AmazonAthena/bin"
sudo ./install-license <key>

Defining a DSN for iODBC with odbc.ini

You can define ODBC data sources in sections in the odbc.ini file. User data sources can only be accessed by the user account whose home folder the odbc.ini is located in. System data sources can be accessed by all users. You can find the correct odbc.ini in the following paths:

Privileges  Path
User/Users/myuser/Library/ODBC/odbc.ini
System/Library/ODBC/odbc.ini

Modifying iODBC's system-wide settings requires elevated permissions; to do so, you can use following to open a text editor from the terminal:

sudo nano /Library/ODBC/odbc.ini

Authenticating to Amazon Athena

To authorize Amazon Athena requests, provide the credentials for an administrator account or for an IAM user with custom permissions: Set AccessKey to the access key Id. Set SecretKey to the secret access key.

Note: Though you can connect as the AWS account administrator, it is recommended to use IAM user credentials to access AWS services.

Obtaining the Access Key

To obtain the credentials for an IAM user, follow the steps below:

  1. Sign into the IAM console.
  2. In the navigation pane, select Users.
  3. To create or manage the access keys for a user, select the user and then select the Security Credentials tab.

To obtain the credentials for your AWS root account, follow the steps below:

  1. Sign into the AWS Management console with the credentials for your root account.
  2. Select your account name or number and select My Security Credentials in the menu that is displayed.
  3. Click Continue to Security Credentials and expand the Access Keys section to manage or create root account access keys.

Authenticating from an EC2 Instance

If you are using the CData Data Provider for Amazon Athena 2018 from an EC2 Instance and have an IAM Role assigned to the instance, you can use the IAM Role to authenticate. To do so, set UseEC2Roles to true and leave AccessKey and SecretKey empty. The CData Data Provider for Amazon Athena 2018 will automatically obtain your IAM Role credentials and authenticate with them.

Authenticating as an AWS Role

In many situations it may be preferable to use an IAM role for authentication instead of the direct security credentials of an AWS root user. An AWS role may be used instead by specifying the RoleARN. This will cause the CData Data Provider for Amazon Athena 2018 to attempt to retrieve credentials for the specified role. If you are connecting to AWS (instead of already being connected such as on an EC2 instance), you must additionally specify the AccessKey and SecretKey of an IAM user to assume the role for. Roles may not be used when specifying the AccessKey and SecretKey of an AWS root user.

Authenticating with MFA

For users and roles that require Multi-factor Authentication, specify the MFASerialNumber and MFAToken connection properties. This will cause the CData Data Provider for Amazon Athena 2018 to submit the MFA credentials in a request to retrieve temporary authentication credentials. Note that the duration of the temporary credentials may be controlled via the TemporaryTokenDuration (default 3600 seconds).

Connecting to Amazon Athena

In addition to the AccessKey and SecretKey properties, specify Database, S3StagingDirectory and Region. Set Region to the region where your Amazon Athena data is hosted. Set S3StagingDirectory to a folder in S3 where you would like to store the results of queries.

If Database is not set in the connection, the data provider connects to the default database set in Amazon Athena.

When you configure the DSN, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

In addition to the connection properties required to connect to AmazonAthena, the Driver property specifies either a driver definition in the odbcinst.ini file or the path to the driver library. Place your connection properties at the beginning of odbc.ini:

[CData AmazonAthena Sources]
Driver = CData ODBC Driver for AmazonAthena
AccessKey = 'a123'
SecretKey = 's123'
Region = 'IRELAND'
Database = 'sampledb'
S3StagingDirectory = 's3://bucket/staging/'

If you wish to authenticate using OAuth, you will need to add an additional connection property to ensure that the OAuth flow can execute properly:

Other = CheckPromptMode=False

Additionally, in the ODBC Data Sources section, the DSN must be set to a driver defined in the odbcinst.ini file. For example, below is the entry for the DSN created during the driver install:

[ODBC Data Sources]
CData AmazonAthena Source = CData ODBC Driver for AmazonAthena

Registering a DSN for iODBC with odbcinst.ini

You may need to modify the installed driver definition if you change the path to the driver library. To register an ODBC driver, modify the odbcinst.ini file. With iODBC, drivers can be available to only one user account or drivers can be available system wide. You can find the correct odbcinst.ini in the following paths:

Privileges  Path
User/Users/myuser/Library/ODBC/odbcinst.ini
System/Library/ODBC/odbcinst.ini

Drivers are defined in sections in the odbcinst.ini file. The section name specifies the name of the driver. In this section, the Driver property specifies the path to the driver library. The driver library is the .dylib file located in the lib subfolder of the installation directory, by default in /Applications/CData ODBC Driver for AmazonAthena.

[CData ODBC Driver for AmazonAthena]
Driver = /Applications/CData ODBC Driver for CData/lib/libamazonathena.odbc.dylib

The ODBC Drivers section must also contain a property with the driver name, set to "Installed".

[ODBC Drivers]
CData ODBC Driver for AmazonAthena = Installed

Testing the Connection

You can test your connection using the iODBC administrator.

  1. Open a terminal and enter the following command to start the iODBC Administrator with the necessary permissions:
    sudo /Applications/iODBC/iODBC\ Administrator64.app/Contents/MacOS/iODBC\ Administrator64
    
  2. On the Users tab, select CData AmazonAthena Source.
  3. Click the Test button.

Accessing Amazon Athena Data from Microsoft Excel

You can use the DSN configured above to access Amazon Athena data from Microsoft Excel.

  1. Open Microsoft Excel and open a spreadsheet (new or existing).
  2. Navigate to the data ribbon and select New Database Query From Database
  3. Select the User or System DSN that you previously configured and click OK.
  4. Build your SQL query in the Microsoft Query wizard:
  5. Click Return Data to execute the query and pull data into Excel.

Using the CData ODBC Driver for Amazon Athena, you can easily pull your Amazon Athena data directly into Excel. Once there, you can leverage all of the powerful features native to Excel to analyze, report, transform your Amazon Athena data, and more!