Rename immutable to readonly

dbms/src/Common/ErrorCodes.cpp

@@ -446,7 +446,7 @@ namespace ErrorCodes
     extern const int VIOLATED_CONSTRAINT = 469;
     extern const int QUERY_IS_NOT_SUPPORTED_IN_LIVE_VIEW = 470;
     extern const int SETTINGS_ARE_NOT_SUPPORTED = 471;
-    extern const int IMMUTABLE_SETTING = 472;
+    extern const int READONLY_SETTING = 472;
 
     extern const int KEEPER_EXCEPTION = 999;
     extern const int POCO_EXCEPTION = 1000;

dbms/src/Storages/Kafka/StorageKafka.cpp

@@ -45,7 +45,7 @@ namespace ErrorCodes
     extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
     extern const int UNSUPPORTED_METHOD;
     extern const int UNKNOWN_SETTING;
-    extern const int IMMUTABLE_SETTING;
+    extern const int READONLY_SETTING;
 }
 
 namespace
@@ -417,7 +417,7 @@ void StorageKafka::checkSetting(const String & setting_name) const
     if (KafkaSettings::findIndex(setting_name) == KafkaSettings::npos)
         throw Exception{"Storage '" + getName() + "' doesn't have setting '" + setting_name + "'", ErrorCodes::UNKNOWN_SETTING};
 
-    throw Exception{"Setting '" + setting_name + "' is immutable for storage '" + getName() + "'", ErrorCodes::IMMUTABLE_SETTING};
+    throw Exception{"Setting '" + setting_name + "' is readonly for storage '" + getName() + "'", ErrorCodes::READONLY_SETTING};
 }
 
 void registerStorageKafka(StorageFactory & factory)

dbms/src/Storages/MergeTree/MergeTreeData.cpp

@@ -91,7 +91,7 @@ namespace ErrorCodes
     extern const int INCORRECT_FILE_NAME;
     extern const int BAD_DATA_PART_NAME;
     extern const int UNKNOWN_SETTING;
-    extern const int IMMUTABLE_SETTING;
+    extern const int READONLY_SETTING;
 }
 
 
@@ -1661,8 +1661,8 @@ void MergeTreeData::checkSetting(const String & setting_name) const
 {
     if (MergeTreeSettings::findIndex(setting_name) == MergeTreeSettings::npos)
         throw Exception{"Storage '" + getName() + "' doesn't have setting '" + setting_name + "'", ErrorCodes::UNKNOWN_SETTING};
-    if (MergeTreeSettings::isImmutableSetting(setting_name))
-        throw Exception{"Setting '" + setting_name + "' is immutable for storage '" + getName() + "'", ErrorCodes::IMMUTABLE_SETTING};
+    if (MergeTreeSettings::isReadonlySetting(setting_name))
+        throw Exception{"Setting '" + setting_name + "' is readonly for storage '" + getName() + "'", ErrorCodes::READONLY_SETTING};
 
 }
 

dbms/src/Storages/MergeTree/MergeTreeSettings.h

@@ -101,7 +101,7 @@ struct MergeTreeSettings : public SettingsCollection<MergeTreeSettings>
     void loadFromQuery(ASTStorage & storage_def);
 
     /// We check settings after storage creation
-    static bool isImmutableSetting(const String & name)
+    static bool isReadonlySetting(const String & name)
     {
         return name == "index_granularity" || name == "index_granularity_bytes";
     }