Function trimColumnIdentifier

src/Processors/QueryPlan/QueryPlanFormat.cpp:56–79

    }

    String trimColumnIdentifier(std::string_view name)
    {
        if (name.find(TABLE_PREFIX) == std::string_view::npos)
            return String(name);

        String result;
        result.reserve(name.size());
        size_t seg_start = 0;
        for (size_t i = 0; i < name.size();)
        {
            if (size_t after = matchTablePrefix(name, i))
            {
                result.append(name, seg_start, i - seg_start);
                i = after;
                seg_start = after;
            }
            else
            {
                ++i;
            }
        }
        result.append(name, seg_start, name.size() - seg_start);
        return result;
    }

    void formatJoinOutputColumns(WriteBuffer & out, const IQueryPlanStep & step, const String & prefix)
    {