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feat: Feldera Engine Adapter#5791

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fresioAS wants to merge 10 commits into
SQLMesh:mainfrom
fresioAS:feldera_engine_adapter
Draft

feat: Feldera Engine Adapter#5791
fresioAS wants to merge 10 commits into
SQLMesh:mainfrom
fresioAS:feldera_engine_adapter

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Description

This pull request adds support for the Feldera database engine to the project. The changes include introducing a new Feldera connection configuration, implementing a Feldera engine adapter, registering the Feldera dialect, updating dependency and test configurations, and ensuring the new engine is integrated throughout the codebase.

These changes collectively enable SQLMesh to connect to, generate SQL for, and manage pipelines in Feldera, with appropriate configuration, dependency management, and test coverage.

Test Plan

Tested locally against a Docker Feldera instance with 10+ models, including tables, views, and materialized views. Verified end-to-end behavior for model deployment, query execution, and data ingestion.

Checklist

  • I have run make style and fixed any issues
  • I have added tests for my changes (if applicable)
  • All existing tests pass (make fast-test)
  • My commits are signed off (git commit -s) per the DCO

fresioAS and others added 10 commits April 29, 2026 08:38
… handling

- Added support for CURRENT_TIMESTAMP in Feldera dialect.
- Implemented `_insert_overwrite_by_condition` for efficient table replacement.
- Enhanced `_is_virtual_layer_ddl` to identify virtual layer views.
- Updated tests to cover new functionality and ensure correctness.

Co-authored-by: Copilot <copilot@github.com>
Signed-off-by: fresioAS <andreas.fredhoi@three60energy.com>
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