Architecture

This section gives an overview of the ETL Engine's runtime architecture and its integration with the OHDSI tool family. Read this when you want to understand how the pieces fit together — installing and using the engine does not require this depth.

Pages

• Pipeline Overview — readers, transform manager, writer.
• Rabbit-in-a-Hat Integration — how the scan-report file becomes an executable transformation.
• Source & CDM Drivers — CSV, MariaDB / MySQL, PostgreSQL.