cypppper commented on code in PR #48994:
URL: https://github.com/apache/doris/pull/48994#discussion_r1997682371


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/ExpressionAnalyzer.java:
##########
@@ -889,6 +890,13 @@ private UnboundFunction 
bindHighOrderFunction(UnboundFunction unboundFunction, E
         // bindLambdaFunction
         Lambda lambda = (Lambda) unboundFunction.children().get(0);
         Expression lambdaFunction = lambda.getLambdaFunction();
+        if (unboundFunction.getName().equals("array_reduce") && 
subChildren.size() == 2) {

Review Comment:
   that's a hack, because current lambda analyzer want two subChildren be both 
array expression, but array_reduce(lambda, array, initial_value) 's second 
child is not array expression.



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