viirya commented on code in PR #36675:
URL: https://github.com/apache/spark/pull/36675#discussion_r884467671
##########
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedParquetRecordReader.java:
##########
@@ -270,13 +271,40 @@ private void initBatch(
vectors[i + partitionIdx].setIsConstant();
}
}
+
+ // For Parquet tables whose columns have associated DEFAULT values, this
reader must return
+ // those values instead of NULL when the corresponding columns are not
present in storage (i.e.
+ // belong to the 'missingColumns' field in this class).
+ ColumnVector[] finalColumns = new
ColumnVector[sparkSchema.fields().length];
Review Comment:
This PR targets Orc reader, why needing to change Parquet reader? This looks
like newly added code, not moved code.
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