fix(gfql): pre-existing engine-parity/correctness bugs (ORDER BY DESC nulls, predicate from_json, str value-safety) - #1732

Merged

lmeyerov merged 7 commits into

fix/gfql-engine-parity

Jul 19, 2026

Commits on Jul 19, 2026

fix(gfql): ORDER BY DESC places NULLs first (openCypher NULL-largest)

lmeyerov
and
claude
committed
fix(gfql): from_json registers comparison predicates, not numeric-only

lmeyerov
and
claude
committed
fix(gfql): string predicates value-safe on non-string columns

lmeyerov
and
claude
committed
fix(gfql): polars raises clean GFQLSchemaError for string predicate on non-string column

lmeyerov
and
claude
committed
fix(gfql): CASE with mixed-dtype branches is engine-consistent on cuDF

lmeyerov
and
claude
committed
test(gfql): guard polars-parametrized tests behind polars availability

lmeyerov
and
claude
committed
test(gfql): satisfy changed-line-coverage for the engine-parity fixes

lmeyerov
and
claude
committed