Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1969#discussion_r170179962
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/filter/FilterUtil.java ---
@@ -1790,6 +1790,9 @@ public static void
removeNullValues(DimensionColumnDataChunk dimensionColumnData
}
public static void updateIndexOfColumnExpression(Expression exp, int
dimOridnalMax) {
+ if (exp == null) {
+ return;
--- End diff --
add one comment to explain it can be null
---
