maswin commented on code in PR #4389:
URL: https://github.com/apache/hive/pull/4389#discussion_r1228636154
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorMapOperator.java:
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@@ -807,6 +807,12 @@ private boolean deliverVectorizedRowBatch(Writable value)
throws HiveException {
}
}
oneRootOperator.process(value, 0);
+
+ if (value != null) {
Review Comment:
I see a reset happening in VectorizedParquetRecordReader -
https://github.com/apache/hive/blob/f78ca5df80c0bcb566f0915cda65112268df492c/ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedParquetRecordReader.java#L400
It doesn't seem to happen for ORC files -
https://github.com/apache/hive/blob/f78ca5df80c0bcb566f0915cda65112268df492c/ql/src/java/org/apache/hadoop/hive/ql/io/orc/VectorizedOrcInputFormat.java#L122
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