📄️ Overview
Overview of the data sources supported by the `hugr` query engine and how to configure them.
📄️ DuckDB
DuckDB data source allows you to connect to a DuckDB database file, which can be accessed by multiple users. It can be placed in the file system or in object storage like S3 or GCS.
📄️ PostgreSQL
PostgreSQL data source configuration and usage in the Hugr engine. Includes query push-down, range types, PostGIS, and TimescaleDB support.
📄️ MySQL
MySQL data source configuration and usage in the Hugr engine. Includes query push-down and JSON support.
📄️ SQL Server / Azure SQL
SQL Server and Azure SQL data source configuration in the Hugr engine. Includes SQL Server authentication (mssql:// protocol) and Azure EntraID service principal authentication (azure:// protocol) for Fabric Warehouse and Analytical Endpoints.
📄️ HTTP RESTful API
Learn how to configure HTTP RESTful APIs as data sources in the `hugr` GraphQL engine to enable integration with external services.
📄️ Extension Data Source
Extensions are a special type of data source that allow you to extend existing data objects with cross-source subquery and function call fields.
📄️ Embeddings and Semantic Search
Add embeddings models and perform semantic search queries.