aokolnychyi commented on PR #5934:
URL: https://github.com/apache/iceberg/pull/5934#issuecomment-1272426670

   @shardulm94, I refactored `SparkScan` (logical representation) and 
`SparkBatch` (physical representation) into multiple classes some time back but 
that caused a performance regression as we did not implement proper equality 
for `SparkBatch`. Then we reverted that change in PR #5143 to avoid the 
performance issue. This PR changes it back and overrides equality in 
`SparkBatch` so that everything works as expected.


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