fix bug

src/Analyzer/Passes/ConvertInToEqualPass.cpp

@@ -36,11 +36,10 @@ class ConvertInToEqualPassVisitor : public InDepthQueryTreeVisitorWithContext<Co
             return ;
         if (constant_node->getValue().getType() == Field::Types::Which::Tuple)
             return;
-        auto const_value = std::make_shared<ConstantNode>(constant_node->getValue());
 
         auto equal_resolver = createInternalFunctionEqualOverloadResolver();
         auto equal = std::make_shared<FunctionNode>("equals");
-        QueryTreeNodes arguments{column_node->clone(), const_value};
+        QueryTreeNodes arguments{column_node->clone(), constant_node->clone()};
         equal->getArguments().getNodes() = std::move(arguments);
         equal->resolveAsFunction(equal_resolver);
         node = equal;

src/Core/SettingsChangesHistory.h

@@ -96,6 +96,7 @@ static std::map<ClickHouseVersion, SettingsChangesHistory::SettingsChanges> sett
               {"parallel_replicas_allow_in_with_subquery", false, true, "If true, subquery for IN will be executed on every follower replica"},
               {"filesystem_cache_reserve_space_wait_lock_timeout_milliseconds", 1000, 1000, "Wait time to lock cache for sapce reservation in filesystem cache"},
               {"max_parser_backtracks", 0, 1000000, "Limiting the complexity of parsing"},
+              {"optimize_in_to_equal", false, true, "Convert in single value to equal"},
               }},
     {"24.2", {{"allow_suspicious_variant_types", true, false, "Don't allow creating Variant type with suspicious variants by default"},
               {"validate_experimental_and_suspicious_types_inside_nested_types", false, true, "Validate usage of experimental and suspicious types inside nested types"},

tests/performance/function_in.xml

@@ -21,10 +21,8 @@
         ENGINE = Memory
     </create_query>
     <fill_query>insert into t_nullable select ['aaaaaa','bbaaaa','ccaaaa','ddaaaa'][number % 101 + 1], ['aa','bb','cc','dd'][number % 100 + 1], ['aa','bb','cc','dd'][number % 102 + 1], number%10+1, number%10+2, number%10+3, number%10+4,number%10+5, number%6000+1, number%5000+2 from numbers_mt(30000000)</fill_query>
-    <query>select * from t_nullable where key_string1 in ('aaaaaa') format Null</query>
     <query>select * from t_nullable where key_string1 in ('aaaaaa') format Null SETTINGS allow_experimental_analyzer=1</query>
-    <query>select * from t_nullable where key_string2 in ('3') format Null</query>
     <query>select * from t_nullable where key_string2 in ('3') format Null SETTINGS allow_experimental_analyzer=1</query>
     <drop_query>drop table if exists t_nullable</drop_query>
 
-</test>
+</test>