From 23fe84e055b118598e79ac07d455f1ffceddc6db Mon Sep 17 00:00:00 2001
From: seawinde <daydayup005@yeah.net>
Date: Tue, 26 Dec 2023 11:03:49 +0800
Subject: [PATCH] modify the comment

---
 .../doris/nereids/rules/rewrite/PredicatePropagation.java       | 2 --
 .../java/org/apache/doris/nereids/util/ExpressionUtils.java     | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/PredicatePropagation.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/PredicatePropagation.java
index aff8b36bc36116..45831abbee906b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/PredicatePropagation.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/PredicatePropagation.java
@@ -88,8 +88,6 @@ public ComparisonInferInfo(InferType inferType,
     public Set<Expression> infer(Set<Expression> predicates) {
         Set<Expression> inferred = Sets.newHashSet();
         for (Expression predicate : predicates) {
-            // if we support more predicate infer, we should add .withInferred(this.isInferred())
-            // to mark the predicate is from infer when call withChildren method
             if (!(predicate instanceof ComparisonPredicate)) {
                 continue;
             }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/ExpressionUtils.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/ExpressionUtils.java
index 51f481b51ac32c..b9c240df415f49 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/ExpressionUtils.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/ExpressionUtils.java
@@ -642,7 +642,7 @@ public static boolean checkSlotConstant(Slot slot, Set<Expression> predicates) {
     }
 
     /**
-     * isInferred
+     * Check the expression is inferred or not, if inferred return true, nor return false
      */
     public static boolean isInferred(Expression expression) {
         return expression.accept(new DefaultExpressionVisitor<Boolean, Void>() {