### What is the problem the feature request solves? Implementing a native columnar-to-row operator would reduce GC pressure by avoiding JVM allocations. ### Existing PRs - https://github.com/apache/datafusion-comet/pull/3221 - https://github.com/apache/datafusion-comet/pull/3266 ### Remaining Work - [ ] Address review comment https://github.com/apache/datafusion-comet/pull/3221#discussion_r2719315607 (Do we need to consider exportedNumRows > batchSize) - [ ] Address review comment https://github.com/apache/datafusion-comet/pull/3221#discussion_r2719336356 (Does the columnBatch need to be closed after converting?) - [ ] Enable in plan stability tests and update golden files - [ ] Fix Spark SQL test failures - [ ] Add fuzz testing - [ ] Enable feature by default ### Describe the potential solution _No response_ ### Additional context _No response_
What is the problem the feature request solves?
Implementing a native columnar-to-row operator would reduce GC pressure by avoiding JVM allocations.
Existing PRs
Remaining Work
Describe the potential solution
No response
Additional context
No response