Github user jacques-n commented on a diff in the pull request:
https://github.com/apache/drill/pull/228#discussion_r43597994
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/MapVector.java
---
@@ -309,7 +309,14 @@ public Object getObject(int index) {
Map<String, Object> vv = new JsonStringHashMap<>();
for (String child:getChildFieldNames()) {
ValueVector v = getChild(child);
- if (v != null) {
+ // TODO(DRILL-4001): Resolve this hack:
--- End diff --
Can you add what happens if this hack isn't done? What is the error?
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