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Connect to MailChimp Data as a Federated Tables in MySQL

Use the CData Cloud Hub to set up federated tables for MailChimp data in MySQL .

You can use the CData Cloud Hub to set up federated tables in MySQL for MailChimp data. The Cloud Hub provides a MySQL interface for MailChimp: After configuring a virtual MySQL database for MailChimp, you can create a server and tables using the FEDERATED Storage Engine in MySQL. You can then work with MailChimp data just as you would local MySQL tables.

The CData Cloud Hub provides a pure MySQL, cloud-to-cloud interface for MailChimp, allowing you to easily query live MailChimp data alongside existing MySQL data — all without replicating the data. Using optimized data processing out of the box, the CData Cloud Hub pushes all supported SQL operations (filters, JOINs, etc) directly to MailChimp, leveraging server-side processing to quickly return MailChimp data.

Create a Virtual MySQL Database for MailChimp Data

CData Cloud Hub uses a straightforward, point-and-click interface to connect to data sources and generate APIs.

  1. Login to Cloud Hub and click Databases.
  2. Select "MailChimp" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to MailChimp.

    You can set the APIKey to the key you generate in your account settings, or, instead of providing your APIKey, you can use the OAuth standard to authenticate the application. OAuth can be used to enable other users to access their own data. To authenticate using OAuth, you will need to obtain the OAuthClientId, OAuthClientSecret, and CallbackURL by registering an app with MailChimp.

    See the "Getting Started" chapter in the help documentation for a guide to using OAuth.

  4. Click Test Database.
  5. Click Privileges -> Add and add the new user (or an existing user) with the appropriate permissions.

With the virtual database created, you are ready to connect to MailChimp data from any MySQL client.

Create a FEDERATED Server and Tables for MailChimp Data

After you have configured and started the service, create a FEDERATED server to simplify the process of creating FEDERATED tables:

Create a FEDERATED Server

The following statement will create a FEDERATED server based on the Cloud Hub. Note that the username and password of the FEDERATED server must match a user account you defined on the Cloud Hub.

CREATE SERVER fedMailChimp
FOREIGN DATA WRAPPER mysql
OPTIONS (USER 'cloud_hub_user', PASSWORD 'cloud_hub_passwd', HOST 'myinstance.cdatacloud.net', PORT 3306, DATABASE 'mailchimpdb');

Create a FEDERATED Table

To create a FEDERATED table using our newly created server, use the CONNECTION keyword and pass the name of the FEDERATED server and the remote table (Lists). Refer to the following template for the statement to create a FEDERATED table:

CREATE TABLE fed_lists (
  ...,
  name  TYPE(LEN),
  stats_avgsubrate  TYPE(LEN),
  ...,
)
ENGINE=FEDERATED
DEFAULT CHARSET=utf8
CONNECTION='fedMailChimp/Lists';

NOTE: The table schema for the FEDERATED table must match the remote table schema exactly. You can always connect directly to the Cloud Hub using any MySQL client and run SHOW COLUMNS FROM Lists to get the table schema.

Execute Queries

You can now execute queries to the MailChimp FEDERATED tables from any tool that can connect to MySQL, which is particularly useful if you need to JOIN data from a local table with data from MailChimp. Refer to the following example:

SELECT 
  fed_lists.name, 
  local_table.custom_field 
FROM 
  local_table 
JOIN 
  fed_lists 
ON 
  local_table.foreign_name = fed_lists.name;