Method insertResultToColumn

src/Functions/FunctionsJSON.h:997–1012

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

    static bool insertResultToColumn(IColumn & dest, Iterator & iterator) requires IsElementIterator<Iterator>
    {
        const auto & element = iterator.getElement();
        
        size_t size;
        if (element.isArray())
            size = element.getArray().size();
        else if (element.isObject())
            size = element.getObject().size();
        else
            return false;

        ColumnVector<UInt64> & col_vec = assert_cast<ColumnVector<UInt64> &>(dest);
        col_vec.insertValue(size);
        return true;
    }

    static bool insertResultToColumn(IColumn & dest, Iterator & iterator) requires IsObjectIterator<Iterator>
    {