MaxGekk opened a new pull request #27973: [SPARK-31159][SQL][FOLLOWUP] Move checking of the `rebaseDateTime` flag out of the loop in `VectorizedColumnReader` URL: https://github.com/apache/spark/pull/27973 ### What changes were proposed in this pull request? In the PR, I propose to refactor reading of timestamps of the `TIMESTAMP_MILLIS` logical type from Parquet files in `VectorizedColumnReader`, and move checking of the `rebaseDateTime` flag out of the internal loop. ### Why are the changes needed? To avoid any additional overhead of the checking the SQL config `spark.sql.legacy.parquet.rebaseDateTime.enabled` introduced by the PR https://github.com/apache/spark/pull/27915. ### Does this PR introduce any user-facing change? No ### How was this patch tested? By running the test suite `ParquetIOSuite`.
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