ClickHouse/dbms/Functions/moduloOrZero.cpp
Ivan 97f2a2213e
Move all folders inside /dbms one level up (#9974)
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

37 lines
933 B
C++

#include <Functions/FunctionFactory.h>
#include <Functions/FunctionBinaryArithmetic.h>
namespace DB
{
template <typename A, typename B>
struct ModuloOrZeroImpl
{
using ResultType = typename NumberTraits::ResultOfModulo<A, B>::Type;
static const constexpr bool allow_fixed_string = false;
template <typename Result = ResultType>
static inline Result apply(A a, B b)
{
if (unlikely(divisionLeadsToFPE(a, b)))
return 0;
return ModuloImpl<A, B>::template apply<Result>(a, b);
}
#if USE_EMBEDDED_COMPILER
static constexpr bool compilable = false; /// TODO implement the checks
#endif
};
struct NameModuloOrZero { static constexpr auto name = "moduloOrZero"; };
using FunctionModuloOrZero = FunctionBinaryArithmetic<ModuloOrZeroImpl, NameModuloOrZero>;
void registerFunctionModuloOrZero(FunctionFactory & factory)
{
factory.registerFunction<FunctionModuloOrZero>();
}
}