mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-01 06:00:49 +00:00
32 lines
826 B
C++
32 lines
826 B
C++
|
#include <Functions/FunctionFactory.h>
|
||
|
#include <Functions/FunctionBinaryArithmetic.h>
|
||
|
|
||
|
namespace DB
|
||
|
{
|
||
|
|
||
|
template <typename A, typename B>
|
||
|
struct DivideIntegralOrZeroImpl
|
||
|
{
|
||
|
using ResultType = typename NumberTraits::ResultOfIntegerDivision<A, B>::Type;
|
||
|
|
||
|
template <typename Result = ResultType>
|
||
|
static inline Result apply(A a, B b)
|
||
|
{
|
||
|
return unlikely(divisionLeadsToFPE(a, b)) ? 0 : a / b;
|
||
|
}
|
||
|
|
||
|
#if USE_EMBEDDED_COMPILER
|
||
|
static constexpr bool compilable = false; /// TODO implement the checks
|
||
|
#endif
|
||
|
};
|
||
|
|
||
|
struct NameIntDivOrZero { static constexpr auto name = "intDivOrZero"; };
|
||
|
using FunctionIntDivOrZero = FunctionBinaryArithmetic<DivideIntegralOrZeroImpl, NameIntDivOrZero>;
|
||
|
|
||
|
void registerFunctionIntDivOrZero(FunctionFactory & factory)
|
||
|
{
|
||
|
factory.registerFunction<FunctionIntDivOrZero>();
|
||
|
}
|
||
|
|
||
|
}
|