Jubin Soni created FLINK-41503:
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Summary: Add unit tests pinning MurmurHashUtil hash values
Key: FLINK-41503
URL: https://issues.apache.org/jira/browse/FLINK-41503
Project: Flink
Issue Type: Technical Debt
Components: Table SQL / Runtime
Affects Versions: 2.5.0
Reporter: Jubin Soni
MurmurHashUtil backs BinaryRowData / BinaryStringData hash codes, which feed
key-group assignment for SQL keyed state, so an unintended change would break
state compatibility. It has no tests. Cover agreement between the MemorySegment
and unsafe byte[] variants for every tail length (0..17), the by-words
variants, non-zero offsets, fmix, and pinned golden values from the current
implementation. No production change. Searched JIRA and GitHub on 2026-11-14:
no existing ticket or PR.
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