Gustavo de Morais created FLINK-39313:
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Summary: NDU analyzer misses non-deterministic functions in
ChangelogNormalize filter conditions
Key: FLINK-39313
URL: https://issues.apache.org/jira/browse/FLINK-39313
Project: Flink
Issue Type: Bug
Components: Table SQL / API
Affects Versions: 2.2.0
Reporter: Gustavo de Morais
Assignee: Gustavo de Morais
Fix For: 2.3.0
The StreamNonDeterministicUpdatePlanVisitor treats
StreamPhysicalChangelogNormalize as transparent, never inspecting its
filterCondition. When the optimizer pushes a WHERE clause with a
non-deterministic function (e.g. NOW())
into ChangelogNormalize on an upsert source, the filter asymmetrically drops
-U records while passing +U records, corrupting the retract contract and
causing incorrect results downstream.
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