Github user Indhumathi27 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2396#discussion_r197678273
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java
---
@@ -19,6 +19,7 @@
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.HashMap;
--- End diff --
VectorCollector is not required for now. It will be handled in next Complex
data type enhancement PR---
