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FHIR Icon FHIR ODBC Driver

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

Access FHIR data like you would a database - read, write, and update FHIR 0, etc. through a standard ODBC Driver interface.

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Viewing FHIR Data in RAD Studio Data Explorer


How to view FHIR data in RAD Studio Data Explorer using the CData ODBC Driver for FHIR.

Embarcadero RAD Studio provides a development environment for Delphi and C++Builder applications. With the CData ODBC Driver for FHIR, you gain access to live FHIR data within RAD Studio, abstracting the data into tables, views, and stored procedures that can be used to both retrieve FHIR data. This article will walk through connecting to FHIR using the Data Explorer.

Configure a Connection to FHIR

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.

Set URL to the Service Base URL of the FHIR server. This is the address where the resources are defined in the FHIR server you would like to connect to. Set ConnectionType to a supported connection type. Set ContentType to the format of your documents. Set AuthScheme based on the authentication requirements for your FHIR server.

Generic, Azure-based, AWS-based, and Google-based FHIR server implementations are supported.

Sample Service Base URLs

  • Generic: http://my_fhir_server/r4b/
  • Azure: https://MY_AZURE_FHIR.azurehealthcareapis.com/
  • AWS: https://healthlake.REGION.amazonaws.com/datastore/DATASTORE_ID/r4/
  • Google: https://healthcare.googleapis.com/v1/projects/PROJECT_ID/locations/LOCATION/datasets/DATASET_ID/fhirStores/FHIR_STORE_ID/fhir/

Generic FHIR Instances

The product supports connections to custom instances of FHIR. Authentication to custom FHIR servers is handled via OAuth (read more about OAuth in the Help documentation. Before you can connect to custom FHIR instances, you must set ConnectionType to Generic.

Connecting to FHIR Data Using Data Explorer

You can create a simple application for displaying FHIR data by utilizing the CData FireDAC Components for FHIR and a new VCL Forms Application:

  1. Open the Data Explorer in RAD Studio and expand FireDAC.
  2. Right-click the ODBC Data Source node in the Data Explorer.
  3. Click Add New Connection.
  4. Enter a name for the connection.
  5. In the FireDAC Connection Editor that appears, set the DataSource property to the name of the ODBC DSN for FHIR.
  6. Back in the Data Explorer, expand the views for the connection.

  7. Create a new VCL Forms application and drag a view (for example: Patient) onto the form.

  8. Select the PatientView object on the form and set the Active property to true.

  9. Right-click on the object, bind visually, and link everything (*) to a new control (TStringGrid).

  10. Arrange the TStringGrid on the form and run the application to see the Patient data.