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こんにちは!ドライバー周りのヘルプドキュメントを担当している古川です。
SQL Gateway を使って、MySQL リモーティングサービスを作成し、Freshdesk のMySQL Federated Table を構築できます。CData ODBC Driver for FreshDesk のMySQL インターフェースのdeamon になります。サービス起動後、MySQL のFEDERATED ストレージエンジンを使ってサーバーおよびテーブルを作成します。Freshdesk データ をMySQL テーブルのように使いましょう。
If you have not already done so, provide values for the required connection properties in the data source name (DSN). You can use the built-in Microsoft ODBC Data Source Administrator to configure the DSN. This is also the last step of the driver installation. See the "Getting Started" chapter in the help documentation for a guide to using the Microsoft ODBC Data Source Administrator to create and configure a DSN.
FreshDesk はbasic 認証を使用します。データへの接続には、次の接続プロパティを設定してください。
See the SQL Gateway Overview to set up connectivity to Freshdesk データ as a virtual MySQL database. You will configure a MySQL remoting service that listens for MySQL requests from clients. The service can be configured in the SQL Gateway UI.
After you have configured and started the service, create a FEDERATED server to simplify the process of creating FEDERATED tables:
The following statement will create a FEDERATED server based on the ODBC Driver for FreshDesk. Note that the username and password of the FEDERATED server must match a user account you defined on the Users tab of the SQL Gateway.
CREATE SERVER fedFreshDesk FOREIGN DATA WRAPPER mysql OPTIONS (USER 'sql_gateway_user', PASSWORD 'sql_gateway_passwd', HOST 'sql_gateway_host', PORT ####, DATABASE 'CData FreshDesk Sys');
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 (Tickets). Refer to the following template for the statement to create a FEDERATED table:
CREATE TABLE fed_tickets ( ..., id TYPE(LEN), name TYPE(LEN), ..., ) ENGINE=FEDERATED DEFAULT CHARSET=latin1 CONNECTION='fedFreshDesk/tickets';
NOTE: The table schema for the FEDERATED table must match the remote table schema exactly. You can always connect directly to the MySQL remoting service using any MySQL client and run a SHOW CREATE TABLE query to get the table schema.
You can now execute queries to the Freshdesk 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 Freshdesk. Refer to the following example:
SELECT fed_tickets.id, local_table.custom_field FROM local_table JOIN fed_tickets ON local_table.foreign_id = fed_tickets.id;