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Connect to SAP Concur Data as a Federated Tables in MySQL

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

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

The CData Cloud Hub provides a pure MySQL, cloud-to-cloud interface for SAP Concur, allowing you to easily query live SAP Concur 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 SAP Concur, leveraging server-side processing to quickly return SAP Concur data.

Create a Virtual MySQL Database for SAP Concur 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 "SAP Concur" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to SAP Concur.

    SAP Concur uses the OAuth 2 authentication standard. You will need to obtain the OAuthClientId and OAuthClientSecret by registering an app with SAP Concur. See the Getting Started section of the help documentation for an authentication guide.

  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 SAP Concur data from any MySQL client.

Create a FEDERATED Server and Tables for SAP Concur 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 fedSAPConcur
FOREIGN DATA WRAPPER mysql
OPTIONS (USER 'cloud_hub_user', PASSWORD 'cloud_hub_passwd', HOST 'myinstance.cdatacloud.net', PORT 3306, DATABASE 'concurdb');

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 (Departments). Refer to the following template for the statement to create a FEDERATED table:

CREATE TABLE fed_departments (
  ...,
  id  TYPE(LEN),
  officeid  TYPE(LEN),
  ...,
)
ENGINE=FEDERATED
DEFAULT CHARSET=utf8
CONNECTION='fedSAPConcur/Departments';

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 Departments to get the table schema.

Execute Queries

You can now execute queries to the SAP Concur 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 SAP Concur. Refer to the following example:

SELECT 
  fed_departments.id, 
  local_table.custom_field 
FROM 
  local_table 
JOIN 
  fed_departments 
ON 
  local_table.foreign_id = fed_departments.id;