[branch-52] fix: InList Dictionary filter pushdown type mismatch (#20962)#20997
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alamb merged 1 commit intoapache:branch-52from Mar 18, 2026
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Closes apache#20937 `ArrayStaticFilter::contains()` unconditionally unwraps dictionary-encoded needles to evaluate against distinct values. This only works when `in_array` has the same type as the dictionary's value type. When `in_array` is also Dictionary, the unwrap creates a type mismatch in `make_comparator`. This became reachable after: - apache#20505 which removed dictionary flattening in the InList builder, allowing Dictionary arrays to reach `ArrayStaticFilter` via HashJoin dynamic filter pushdown with `pushdown_filters` enabled. - Guard the dictionary unwrap in `ArrayStaticFilter::contains()` to only fire when the dictionary value type matches `in_array`'s type. When both sides are Dictionary, fall through to `make_comparator(Dict, Dict)` which arrow-ord handles natively. - Update the sqllogictest from apache#20960 to expect success. - Add unit tests covering all `try_new_from_array` type combinations (primitive specializations, Utf8, Dictionary, Struct). Yes — unit tests and sqllogictest.
This was referenced Mar 17, 2026
xudong963
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Thank you for the approval @xudong963 |
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