Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/20933#discussion_r178306300 --- Diff: sql/core/src/main/java/org/apache/spark/sql/execution/datasources/orc/OrcColumnarBatchReader.java --- @@ -171,47 +174,39 @@ public void initBatch( // Initialize the missing columns once. --- End diff -- it's not only missing columns not, but also partition columns
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