From d7526fd6f8f62e859a3549e38f8cca77103f7e0b Mon Sep 17 00:00:00 2001
From: Dai <daichen@amazon.com>
Date: Thu, 14 Jan 2021 16:38:50 -0800
Subject: [PATCH] Fix compile error after merge

---
 .../expression/operator/predicate/UnaryPredicateOperator.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/operator/predicate/UnaryPredicateOperator.java b/core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/operator/predicate/UnaryPredicateOperator.java
index 2770bfec9f..8378bf1ad4 100644
--- a/core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/operator/predicate/UnaryPredicateOperator.java
+++ b/core/src/main/java/com/amazon/opendistroforelasticsearch/sql/expression/operator/predicate/UnaryPredicateOperator.java
@@ -102,7 +102,7 @@ private static FunctionResolver isNotNull() {
 
   private static FunctionResolver ifNull() {
     FunctionName functionName = BuiltinFunctionName.IFNULL.getName();
-    List<ExprType> typeList = ExprCoreType.coreTypes();
+    List<ExprCoreType> typeList = ExprCoreType.coreTypes();
 
     List<SerializableFunction<FunctionName, org.apache.commons.lang3.tuple.Pair<FunctionSignature,
             FunctionBuilder>>> functionsOne = typeList.stream().map(v ->
@@ -121,7 +121,7 @@ private static FunctionResolver ifNull() {
 
   private static FunctionResolver nullIf() {
     FunctionName functionName = BuiltinFunctionName.NULLIF.getName();
-    List<ExprType> typeList = ExprCoreType.coreTypes();
+    List<ExprCoreType> typeList = ExprCoreType.coreTypes();
 
     FunctionResolver functionResolver =
         FunctionDSL.define(functionName,