[feature](nereids) const folding for in-predicate with null literal (#15880)

select 1 in (2 , null)  => null
select 1 in (1 , null)  => true
select 1 not in (2 , null)  => null
select 1 not in (1 , null)  => false

fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rewrite/rules/FoldConstantRuleOnFE.java

@@ -328,11 +328,18 @@ public class FoldConstantRuleOnFE extends AbstractExpressionRewriteRule {
             return inPredicate;
         }
 
+        boolean hasNull = false;
         for (Expression item : inPredicate.getOptions()) {
+            if (item.isNullLiteral()) {
+                hasNull = true;
+            }
             if (valueIsLiteral && value.equals(item)) {
                 return BooleanLiteral.TRUE;
             }
         }
+        if (hasNull) {
+            return NullLiteral.INSTANCE;
+        }
         return BooleanLiteral.FALSE;
     }
 

regression-test/data/nereids_syntax_p0/sql/test_in_predicate_with_null.out

@@ -0,0 +1,31 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !test_in_predicate_with_null --
+0
+
+-- !test_in_predicate_with_null_2 --
+0
+
+-- !test_in_predicate_with_null_3 --
+true
+
+-- !test_in_predicate_with_null_4 --
+\N
+
+-- !test_in_predicate_with_null_5 --
+false
+
+-- !test_in_predicate_with_null_6 --
+\N
+
+-- !test_in_predicate_with_null_7 --
+true
+
+-- !test_in_predicate_with_null_8 --
+\N
+
+-- !test_in_predicate_with_null_9 --
+false
+
+-- !test_in_predicate_with_null_10 --
+\N
+

regression-test/data/nereids_syntax_p0/test_in_predicate_with_null.out

@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !select --
+\N
+
+-- !select --
+1
+
+-- !select --
+2	4
+

regression-test/suites/nereids_syntax_p0/sql/test_in_predicate_with_null.sql

@@ -0,0 +1,33 @@
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License.  You may obtain a copy of the License at
+--
+--   http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing,
+-- software distributed under the License is distributed on an
+-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+-- KIND, either express or implied.  See the License for the
+-- specific language governing permissions and limitations
+-- under the License.
+
+SET enable_nereids_planner=true;
+SET enable_fallback_to_original_planner=false;
+
+select 1 in (1, null);
+select 1 in (2, null);
+
+select 1 not in (1, null);
+select 1 not in (2, null);
+
+select 1 in (2, null, 1);
+select 1 in (null, 2);
+
+select 1 not in (null, 1);
+select 1 not in (null, 2);
+
+