[branch-54] fix: preserve null_aware on logical JoinNode proto round-trip (backport #22104) - #22785
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…#22104) ## Summary Closes apache#22065. `null_aware` was missing from `JoinNode` in the logical proto (it was added to the physical `HashJoinExecNode` in apache#19635). The encoder dropped it via `..` destructuring and the decoder had no field to restore it from, so any `to_proto` -> `from_proto` round trip silently downgraded a null-aware LeftAnti (NOT IN semantics) to a plain LeftAnti and returned wrong rows. ## Changes - Add `bool null_aware = 9;` to `JoinNode`. - Decoder switches to `Join::try_new`, plumbing `null_aware` and `null_equality` (same bug, same path) from the wire. - Encoder destructure binds `schema: _` instead of `..`, so any future `Join` field is a compile error here instead of a silent drop. - Decoder rejects mismatched `left_join_key`/`right_join_key` lengths via `proto_error`. - Regression tests `roundtrip_join_null_aware` and `roundtrip_join_null_equality`, each exercising one non-default field. ## Test plan - `cargo test -p datafusion-proto --test proto_integration cases::roundtrip_logical_plan` passes. - Clippy clean. (cherry picked from commit 4055e44)
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The CI failure seems to have been due to some sort of infrastructure problem -- retriggered it |
alamb
approved these changes
Jun 8, 2026
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Which issue does this PR close?
branch-54(for 54.1.0, tracked in Release DataFusion54.1.0(minor/patch) Release #22547).This PR:
branch-54line so thenull_awareprotoround-trip fix ships in 54.1.0, as requested in
logical JoinNode proto missing null_aware field (follow-up to #19635) #22065 (comment)
Clean cherry-pick;
datafusion-protobuilds and both round-tripregression tests pass on
branch-54.