ClickHouse/dbms/src/Functions/intDivOrZero.cpp
alexey-milovidov e00ce0bb57
Every function in its own file, part 7 (#3666)
* Every function in its own file, part 7 [#CLICKHOUSE-2]

* Every function in its own file, part 7 [#CLICKHOUSE-2]

* Every function in its own file, part 7 [#CLICKHOUSE-2]

* Every function in its own file, part 7 [#CLICKHOUSE-2]

* Every function in its own file, part 7 [#CLICKHOUSE-2]

* Fixed build #3666
2018-11-26 19:20:40 +03:00

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>();
}
}