src/dazzle_back/runtime/sa_schema.py

Generated: 2026-03-30T04:38:48.111088+00:00

Commit: 615f1354a103

Language: python

Scope: dazzle_back

Purpose

SQLAlchemy MetaData bridge for EntitySpec.

Converts DSL EntitySpec objects into SQLAlchemy Table objects on a shared MetaData instance. This gives us:

• Topologically-sorted DDL via metadata.create_all()
• Automatic cycle handling for circular FKs (use_alter=True)
• A single source of tru...

Key Exports

• build_metadata
• get_sorted_table_names
• get_circular_ref_edges
• dfs

Dependencies

Imports

• __future__.annotations
• logging
• typing.TYPE_CHECKING
• typing.Any
• typing.cast
• dazzle_back.specs.entity.EntitySpec
• dazzle_back.specs.entity.FieldSpec
• dazzle_back.specs.entity.FieldType
• dazzle_back.specs.entity.ScalarType
• sqlalchemy
• sqlalchemy

Event Interactions

None detected.

Invariants and Assumptions

No invariants documented.

Tests

• tests/unit/test_sa_schema.py
• tests/integration/test_runtime_e2e.py
• tests/integration/test_runtime_pipeline.py
• tests/unit/test_runtime_test_routes.py
• tests/unit/test_runtime_services.py

Notes

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