The GitHub Actions job "Required Checks" on 
texera.git/fix/8974-distinct-nan-signed-zero has failed.
Run started by GitHub user kz930 (triggered by kz930).

Head commit for run:
35f97a65a00732662343cf93b46b615541964ae8 / kary zheng <[email protected]>
fix(workflow-operator): keep the rows Distinct's engine keeps for NaN and 
signed zero

The export called drop_duplicates, which counts two NaN values as equal and
0.0 as equal to -0.0. The engine's LinkedHashSet compares rows with Scala's
==, under which NaN equals nothing, and hashes doubles by their bits, so it
keeps all of them. Select rows by the key the set operators already use.

Closes #8974

Co-Authored-By: Claude Opus 5.5 <[email protected]>

Report URL: https://github.com/apache/texera/actions/runs/38485393448

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