JingsongLi commented on issue #8682: [FLINK-12796][table-planner-blink] Introduce BaseArray and BaseMap to reduce conversion overhead to blink URL: https://github.com/apache/flink/pull/8682#issuecomment-501973780 > Can you please provide the benchmark that produces the 10x performance improvement? You can find the case in `SortAggITCase.testBigDataSimpleArrayUDAF`. If you want to test previous code, you can modify `PrimitiveLongArrayConverter.toInternalImpl` to use `return BinaryArray.fromPrimitiveArray(value);`. The difference is so obvious, both in generated code and performance.
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