Method insertResultToColumn

src/Functions/FunctionsJSON.h:1265–1280

    static size_t getNumberOfIndexArguments(const ColumnsWithTypeAndName & arguments) { return arguments.size() - 1; }

    static bool insertResultToColumn(IColumn & dest, Iterator & iterator, DialectType dialect_type = DialectType::CLICKHOUSE) requires IsElementIterator<Iterator>
    {
        const auto & element = iterator.getElement();
        auto & col_str = assert_cast<ColumnString &>(dest);
        auto & chars = col_str.getChars();
        WriteBufferFromVector<ColumnString::Chars> buf(chars, AppendModeTag());
        if (dialect_type == DialectType::MYSQL)
            Traverse::traverse(element, buf, true);
        else
            Traverse::traverse(element, buf);

        buf.finalize();
        chars.push_back(0);
        col_str.getOffsets().push_back(chars.size());
        return true;
    }

    static bool insertResultToColumn(IColumn & dest, ObjectIterator & iterator, DialectType dialect_type = DialectType::CLICKHOUSE) requires IsObjectIterator<Iterator>
    {