ihuzenko commented on a change in pull request #1899: DRILL-7445: Create batch
copier based on result set framework
URL: https://github.com/apache/drill/pull/1899#discussion_r347386586
##########
File path:
exec/vector/src/main/java/org/apache/drill/exec/vector/accessor/writer/UnionWriterImpl.java
##########
@@ -332,6 +334,14 @@ public int writeIndex() {
return index.vectorIndex();
}
+ @Override
+ public void copy(ColumnReader from) {
+ if (! from.isNull()) {
Review comment:
```suggestion
if (!from.isNull()) {
```
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