predicate_compiler.py¶

Generated: 2026-03-30T04:38:47.763741+00:00

Commit: 615f1354a103

Language: python

Scope: dazzle_back

Purpose¶

Predicate compiler — translates ScopePredicate trees into parameterised SQL.

The compiled SQL is a WHERE fragment (no leading WHERE keyword). Parameters are returned as a plain list; positional %s placeholders are used throughout so the result is compatible with any DB-API 2.0 driver.

Two mar...

Key Exports¶

UserAttrRef
CurrentUserRef
compile_predicate

Dependencies¶

Imports¶

dataclasses.dataclass
typing.Any
dazzle.core.ir.fk_graph.FKEdge
dazzle.core.ir.fk_graph.FKGraph
dazzle.core.ir.predicates.BoolComposite
dazzle.core.ir.predicates.BoolOp
dazzle.core.ir.predicates.ColumnCheck
dazzle.core.ir.predicates.CompOp
dazzle.core.ir.predicates.Contradiction
dazzle.core.ir.predicates.ExistsCheck
dazzle.core.ir.predicates.PathCheck
dazzle.core.ir.predicates.ScopePredicate
dazzle.core.ir.predicates.Tautology
dazzle.core.ir.predicates.UserAttrCheck
dazzle.core.ir.predicates.ValueRef
dazzle_back.runtime.query_builder.quote_identifier

Event Interactions¶

None detected.

Invariants and Assumptions¶

Validates: PathCheck.path must have at least 2 segments, got {path!r}
Assert: len(predicate.children) == 1
Validates: Unknown predicate type: {type(predicate)!r}

Tests¶

tests/unit/test_predicate_compiler.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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