Github user gvramana commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/641#discussion_r105962095
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/NoDictionaryTypeVisitor.java
---
@@ -45,7 +47,15 @@ public void
populateFilterResolvedInfo(DimColumnResolvedFilterInfo visitableObj,
DimColumnFilterInfo resolvedFilterObject = null;
List<String> evaluateResultListFinal;
try {
- evaluateResultListFinal =
metadata.getExpression().evaluate(null).getListAsString();
+ ExpressionResult result = metadata.getExpression().evaluate(null);
--- End diff --
if need to check only is null scenario, use
expression.isInstanceOf[EqualToExpresson].isNull
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