Method moveColumn

src/Interpreters/HashJoin.cpp:864–867

    size_t size() const { return columns.size(); }

    ColumnWithTypeAndName moveColumn(size_t i)
    {
        return ColumnWithTypeAndName(std::move(columns[i]), type_name[i].type, type_name[i].qualified_name);
    }

    template <bool has_defaults>
    void appendFromBlock(const Block & block, size_t row_num)