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hudi/hudi-spark-datasource/hudi-spark
Alexey Kudinkin 39f2a06c85 [HUDI-3979] Optimize out mandatory columns when no merging is performed (#5430)
For MOR, when no merging is performed there is no point in reading either primary-key or pre-combine-key values (unless query is referencing these). Avoiding reading these allows to potentially save substantial resources wasted for reading it out.
2022-07-22 15:32:44 -07:00
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