xiangfu0 opened a new pull request, #19301:
URL: https://github.com/apache/pinot/pull/19301
Part 5/5 of the split of #19287 (Fix FULL-upsert vector candidate
generation).
## Summary
Add `VectorUpsertTableTest` on `CustomDataQueryClusterIntegrationTest`: six
physical
records collapse to four current records under FULL upsert, and vector top-K
queries
must return exactly K current entities with scalar-distance equivalence.
Covers a single consuming segment and sealed-plus-consuming segments, both
query
engines, two replicas, and a `skipUpsert=true` control proving the obsolete
rows are
physically nearest.
## Validation
- Both query-engine invocations passed against the stacked fix.
- The test was also run against a pre-fix `pinot-core` build and fails there
with the
reported symptom (0 of K rows returned), confirming it is a genuine
regression test.
> Stacked on the [Vector Upsert 4/5] PR — this PR shows the earlier stack
commits until predecessors merge; review only the last commit here.
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