From ece52c72a594b0d598340292e6a3b9c217a1fe3f Mon Sep 17 00:00:00 2001
From: morrySnow <101034200+morrySnow@users.noreply.github.com>
Date: Thu, 8 Aug 2024 17:11:49 +0800
Subject: [PATCH] [fix](Nereids) cast to boolean wrong when constant folding by
 be (#39019)

pick from master #39019

not add case because be return wrong answer for this

select cast(2.0 as boolean); -- should return 1 not 2
---
 .../nereids/rules/expression/rules/FoldConstantRuleOnBE.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnBE.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnBE.java
index 101929eb0cd8ca..706d384be539f0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnBE.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/FoldConstantRuleOnBE.java
@@ -330,7 +330,7 @@ public static List<Literal> getResultExpression(DataType type, PValues resultCon
         } else if (type.isBooleanType()) {
             int num = resultContent.getUint32ValueCount();
             for (int i = 0; i < num; ++i) {
-                Literal literal = BooleanLiteral.of(resultContent.getUint32Value(i) == 1);
+                Literal literal = BooleanLiteral.of(resultContent.getUint32Value(i) != 0);
                 res.add(literal);
             }
         } else if (type.isTinyIntType()) {