ClickHouse/dbms/src/Functions/has.cpp

#include <Functions/arrayIndex.h>
#include <Functions/FunctionFactory.h>


namespace DB
{

struct NameHas { static constexpr auto name = "has"; };

/// has(arr, x) - whether there is an element x in the array.
using FunctionHas = FunctionArrayIndex<IndexToOne, NameHas>;

void registerFunctionHas(FunctionFactory & factory)
{
    factory.registerFunction<FunctionHas>();
}

}