Method haveExplicitNames

src/DataTypes/DataTypeTuple.h:72–72

    std::optional<size_t> tryGetPositionByName(std::string_view name) const;

    bool haveExplicitNames() const { return have_explicit_names; }
    bool serializeNames() const { return serialize_names; }
    static std::optional<Exception> checkTupleNames(const Strings & names);