somu-imply commented on code in PR #13576:
URL: https://github.com/apache/druid/pull/13576#discussion_r1081615401
##########
processing/src/main/java/org/apache/druid/segment/UnnestDimensionCursor.java:
##########
@@ -409,7 +412,12 @@ public int size()
@Override
public int get(int idx)
{
- return indexedIntsForCurrentRow.get(index);
+ // to support rows which have only null values
+ // need to check if the value is not null and the size is greater than 0
+ if (indexedIntsForCurrentRow != null && indexedIntsForCurrentRow.size()
> 0) {
+ return indexedIntsForCurrentRow.get(index);
+ }
Review Comment:
The comment is misleading, I'll update the comment we process the row only
if it is not null and has atleast 1 value
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