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58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include <DataTypes/DataTypeDecimalBase.h>
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#include <Common/assert_cast.h>
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#include <Common/typeid_cast.h>
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#include <Core/DecimalFunctions.h>
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#include <DataTypes/DataTypeFactory.h>
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#include <IO/ReadHelpers.h>
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#include <IO/WriteHelpers.h>
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#include <Interpreters/Context.h>
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#include <Parsers/ASTLiteral.h>
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#include <Parsers/IAST.h>
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#include <type_traits>
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namespace DB
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{
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namespace ErrorCodes
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{
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}
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bool decimalCheckComparisonOverflow(ContextPtr context)
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{
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return context->getSettingsRef().decimal_check_overflow;
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}
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bool decimalCheckArithmeticOverflow(ContextPtr context)
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{
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return context->getSettingsRef().decimal_check_overflow;
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}
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template <typename T>
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Field DataTypeDecimalBase<T>::getDefault() const
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{
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return DecimalField(T(0), scale);
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}
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template <typename T>
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MutableColumnPtr DataTypeDecimalBase<T>::createColumn() const
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{
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return ColumnType::create(0, scale);
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}
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template <typename T>
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T DataTypeDecimalBase<T>::getScaleMultiplier(UInt32 scale_)
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{
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return DecimalUtils::scaleMultiplier<typename T::NativeType>(scale_);
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}
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/// Explicit template instantiations.
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template class DataTypeDecimalBase<Decimal32>;
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template class DataTypeDecimalBase<Decimal64>;
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template class DataTypeDecimalBase<Decimal128>;
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template class DataTypeDecimalBase<Decimal256>;
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template class DataTypeDecimalBase<DateTime64>;
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}
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