adonis0147 commented on code in PR #9856:
URL: https://github.com/apache/incubator-doris/pull/9856#discussion_r884627439
##########
be/src/vec/data_types/data_type_factory.hpp:
##########
@@ -49,22 +49,33 @@ class DataTypeFactory {
static std::once_flag oc;
static DataTypeFactory instance;
std::call_once(oc, []() {
- instance.register_data_type("UInt8",
std::make_shared<DataTypeUInt8>());
- instance.register_data_type("UInt16",
std::make_shared<DataTypeUInt16>());
- instance.register_data_type("UInt32",
std::make_shared<DataTypeUInt32>());
- instance.register_data_type("UInt64",
std::make_shared<DataTypeUInt64>());
- instance.register_data_type("Int8",
std::make_shared<DataTypeInt8>());
- instance.register_data_type("Int16",
std::make_shared<DataTypeInt16>());
- instance.register_data_type("Int32",
std::make_shared<DataTypeInt32>());
- instance.register_data_type("Int64",
std::make_shared<DataTypeInt64>());
- instance.register_data_type("Int128",
std::make_shared<DataTypeInt128>());
- instance.register_data_type("Float32",
std::make_shared<DataTypeFloat32>());
- instance.register_data_type("Float64",
std::make_shared<DataTypeFloat64>());
- instance.register_data_type("Date",
std::make_shared<DataTypeDate>());
- instance.register_data_type("DateTime",
std::make_shared<DataTypeDateTime>());
- instance.register_data_type("String",
std::make_shared<DataTypeString>());
- instance.register_data_type("Decimal",
-
std::make_shared<DataTypeDecimal<Decimal128>>(27, 9));
+ std::unordered_map<std::string, DataTypePtr> base_type_map {
+ {"UInt8", std::make_shared<DataTypeUInt8>()},
+ {"UInt16", std::make_shared<DataTypeUInt16>()},
+ {"UInt32", std::make_shared<DataTypeUInt32>()},
+ {"UInt64", std::make_shared<DataTypeUInt64>()},
+ {"Int8", std::make_shared<DataTypeInt8>()},
+ {"Int16", std::make_shared<DataTypeInt16>()},
+ {"Int32", std::make_shared<DataTypeInt32>()},
+ {"Int64", std::make_shared<DataTypeInt64>()},
+ {"Int128", std::make_shared<DataTypeInt128>()},
+ {"Float32", std::make_shared<DataTypeFloat32>()},
+ {"Float64", std::make_shared<DataTypeFloat64>()},
+ {"Date", std::make_shared<DataTypeDate>()},
+ {"DateTime", std::make_shared<DataTypeDateTime>()},
+ {"String", std::make_shared<DataTypeString>()},
+ {"Decimal",
std::make_shared<DataTypeDecimal<Decimal128>>(27, 9)},
+
+ };
+ for (auto const& [key, val] : base_type_map) {
+ instance.register_data_type(key, val);
+ instance.register_data_type("Array(" + key + ")",
+
std::make_shared<vectorized::DataTypeArray>(val));
+ instance.register_data_type(
+ "Array(Nullable(" + key + "))",
+ std::make_shared<vectorized::DataTypeArray>(
+
std::make_shared<vectorized::DataTypeNullable>(val)));
+ }
Review Comment:
This modification may be unnecessary. Refer to
`DataTypeFactory::create_data_type`
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