rbalamohan commented on a change in pull request #2242:
URL: https://github.com/apache/hive/pull/2242#discussion_r629967730
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorMapOperator.java
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@@ -885,20 +885,7 @@ public void process(Writable value) throws HiveException {
batchCounter++;
oneRootOperator.process(deserializerBatch, 0);
- /**
- * Only reset the current data columns. Not any data columns
defaulted to NULL
- * because they are not present in the partition, and not
partition columns.
- */
- for (int c = 0; c < currentDataColumnCount; c++) {
- ColumnVector colVector = deserializerBatch.cols[c];
- if (colVector != null) {
- colVector.reset();
- colVector.init();
- }
- }
- deserializerBatch.selectedInUse = false;
- deserializerBatch.size = 0;
- deserializerBatch.endOfFile = false;
+ deserializerBatch.reset();
Review comment:
After reset, can you reinit isNull and isRepeating for columns which are
not present in currentDataColumnCount?
(i.e similar to the case mentioned in
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorMapOperator.java#L706)
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