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91 lines
4.6 KiB
C++
91 lines
4.6 KiB
C++
#include <DataTypes/DataTypesNumber.h>
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#include <DataTypes/DataTypeFactory.h>
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#include <Parsers/IAST.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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}
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template <typename T>
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static DataTypePtr createNumericDataType(const ASTPtr & arguments)
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{
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if (arguments)
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{
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if (std::is_integral_v<T>)
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{
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if (arguments->children.size() > 1)
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throw Exception(String(TypeName<T>::get()) + " data type family must not have more than one argument - display width", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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}
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else
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{
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if (arguments->children.size() > 2)
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throw Exception(String(TypeName<T>::get()) + " data type family must not have more than two arguments - total number of digits and number of digits following the decimal point", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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}
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}
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return std::make_shared<DataTypeNumber<T>>();
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}
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void registerDataTypeNumbers(DataTypeFactory & factory)
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{
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factory.registerDataType("UInt8", createNumericDataType<UInt8>);
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factory.registerDataType("UInt16", createNumericDataType<UInt16>);
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factory.registerDataType("UInt32", createNumericDataType<UInt32>);
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factory.registerDataType("UInt64", createNumericDataType<UInt64>);
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factory.registerDataType("Int8", createNumericDataType<Int8>);
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factory.registerDataType("Int16", createNumericDataType<Int16>);
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factory.registerDataType("Int32", createNumericDataType<Int32>);
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factory.registerDataType("Int64", createNumericDataType<Int64>);
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factory.registerDataType("Float32", createNumericDataType<Float32>);
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factory.registerDataType("Float64", createNumericDataType<Float64>);
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factory.registerSimpleDataType("UInt256", [] { return DataTypePtr(std::make_shared<DataTypeUInt256>()); });
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factory.registerSimpleDataType("Int128", [] { return DataTypePtr(std::make_shared<DataTypeInt128>()); });
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factory.registerSimpleDataType("Int256", [] { return DataTypePtr(std::make_shared<DataTypeInt256>()); });
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/// These synonyms are added for compatibility.
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factory.registerAlias("TINYINT", "Int8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("BOOL", "Int8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("BOOLEAN", "Int8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT1", "Int8", DataTypeFactory::CaseInsensitive); /// MySQL
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factory.registerAlias("BYTE", "Int8", DataTypeFactory::CaseInsensitive); /// MS Access
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factory.registerAlias("SMALLINT", "Int16", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT", "Int32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INTEGER", "Int32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("BIGINT", "Int64", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("FLOAT", "Float32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("REAL", "Float32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("SINGLE", "Float32", DataTypeFactory::CaseInsensitive); /// MS Access
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factory.registerAlias("DOUBLE", "Float64", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("MEDIUMINT", "Int32", DataTypeFactory::CaseInsensitive); /// MySQL
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factory.registerAlias("DOUBLE PRECISION", "Float64", DataTypeFactory::CaseInsensitive);
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/// MySQL
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factory.registerAlias("TINYINT SIGNED", "Int8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT1 SIGNED", "Int8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("SMALLINT SIGNED", "Int16", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("MEDIUMINT SIGNED", "Int32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT SIGNED", "Int32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INTEGER SIGNED", "Int32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("BIGINT SIGNED", "Int64", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("TINYINT UNSIGNED", "UInt8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT1 UNSIGNED", "UInt8", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("SMALLINT UNSIGNED", "UInt16", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("MEDIUMINT UNSIGNED", "UInt32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INT UNSIGNED", "UInt32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("INTEGER UNSIGNED", "UInt32", DataTypeFactory::CaseInsensitive);
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factory.registerAlias("BIGINT UNSIGNED", "UInt64", DataTypeFactory::CaseInsensitive);
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}
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}
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