JingsongLi commented on PR #8809:
URL: https://github.com/apache/paimon/pull/8809#issuecomment-5057369953
- The newly added `ScoredGlobalIndexResult.merge` is correct in itself;
all 8 unit tests passed.
- However, `SparkDataEvolutionVectorRead.java:217-228` still repeatedly
executes `result = result.or(splitResult)`, followed by a call to
`topK/results/serialize`.
- When a task contains a large number of raw range splits, it still
creates a recursive chain of `ScoreGetter` with thousands of levels, triggering
a `StackOverflowError`.
- Here, too, the splits should be collected into a list and then
`ScoredGlobalIndexResult.merge` should be called once.
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