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39 lines
987 B
C++
39 lines
987 B
C++
#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionBinaryArithmetic.h>
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#include "intDiv.h"
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namespace DB
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{
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template <typename A, typename B>
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struct DivideIntegralOrZeroImpl
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{
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using ResultType = typename NumberTraits::ResultOfIntegerDivision<A, B>::Type;
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static const constexpr bool allow_fixed_string = false;
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template <typename Result = ResultType>
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static inline Result apply(A a, B b)
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{
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if (unlikely(divisionLeadsToFPE(a, b)))
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return 0;
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return DivideIntegralImpl<A, B>::template apply<Result>(a, b);
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}
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#if USE_EMBEDDED_COMPILER
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static constexpr bool compilable = false; /// TODO implement the checks
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#endif
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};
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struct NameIntDivOrZero { static constexpr auto name = "intDivOrZero"; };
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using FunctionIntDivOrZero = FunctionBinaryArithmetic<DivideIntegralOrZeroImpl, NameIntDivOrZero>;
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void registerFunctionIntDivOrZero(FunctionFactory & factory)
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{
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factory.registerFunction<FunctionIntDivOrZero>();
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}
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}
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