[GitHub] [incubator-pinot] kishoreg commented on a change in pull request #4365: Adding support for udf/expression in filter predicates

[GitBox <gi...@apache.org>]

kishoreg commented on a change in pull request #4365: Adding support for udf/expression in filter predicates
URL: https://github.com/apache/incubator-pinot/pull/4365#discussion_r298629272
 
 

 ##########
 File path: pinot-common/src/main/java/org/apache/pinot/common/utils/request/FilterQueryTree.java
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 @@ -37,12 +39,21 @@ public FilterQueryTree(String column, List<String> value, FilterOperator operato
     this.value = value;
     this.operator = operator;
     this.children = children;
+    if(column != null) {
 
 Review comment:
   Done

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