Add Dremio adapter for data lakehouse connectivity - #63
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This adds a new database adapter for Dremio data lakehouse using
Arrow Flight SQL for high-performance data access.
Key features:
- DremioDatabase: Connects to Dremio via Arrow Flight protocol
- DremioCollection: Supports CRUD operations and MongoDB-style queries
- Type mappings between LinkML, Arrow, and Dremio SQL types
- Connection string parsing with auth, TLS, and path support
- Integration with existing linkml-store Client
Handle format: dremio://[user:pass@]host[:port][/path][?params]
Example:
client.attach_database("dremio://localhost:32010?useEncryption=false")
Adds dremio-rest:// adapter for connecting to Dremio instances where the Arrow Flight SQL port (32010) is not accessible, such as behind Cloudflare Access or firewalls. Features: - REST API v3 support (authentication, queries, pagination) - Environment variable configuration (DREMIO_USER, DREMIO_PASSWORD, CF_AUTHORIZATION) - MongoDB-style query operators ($gt, $like, $ilike, $in, etc.) - Lazy collection initialization (no slow INFORMATION_SCHEMA scan) - Case-insensitive search via $ilike operator Files: - src/linkml_store/api/stores/dremio_rest/ - New adapter - docs/how-to/Use-Dremio-REST.md - Documentation - tests/test_api/test_dremio_rest_adapter.py - Unit tests (18 passing) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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This adds a new database adapter for Dremio data lakehouse using Arrow Flight SQL for high-performance data access.
Key features:
Handle format: dremio://[user:pass@]host[:port][/path][?params]
Example:
client.attach_database("dremio://localhost:32010?useEncryption=false")