Github user ykrips commented on a diff in the pull request:
https://github.com/apache/tajo/pull/400#discussion_r26091955
--- Diff:
tajo-storage/tajo-storage-common/src/main/java/org/apache/tajo/storage/LazyTuple.java
---
@@ -134,7 +134,7 @@ else if (textBytes.length <= fieldId) {
}
textBytes[fieldId] = null;
} else {
- //non-projection
+ values[fieldId] = NullDatum.get(); //non-projection
--- End diff --
This code fills the NullDatum to values array of LazyTuple when user does
not insert any data on this index. However, VTuple class does not initialize
the values array on itself.
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