ClickHouse/dbms/src/Functions/visitParamHas.cpp
2019-08-04 17:30:08 +03:00

29 lines
598 B
C++

#include <Functions/FunctionFactory.h>
#include <Functions/FunctionsVisitParam.h>
#include <Functions/FunctionsStringSearch.h>
namespace DB
{
struct HasParam
{
using ResultType = UInt8;
static UInt8 extract(const UInt8 *, const UInt8 *)
{
return true;
}
};
struct NameVisitParamHas { static constexpr auto name = "visitParamHas"; };
using FunctionVisitParamHas = FunctionsStringSearch<ExtractParamImpl<HasParam>, NameVisitParamHas>;
void registerFunctionVisitParamHas(FunctionFactory & factory)
{
factory.registerFunction<FunctionVisitParamHas>();
}
}