WriteEngine bulk methods do not version dictionaries correctly

#include <iostream>

#include <string>

#include <sstream>

#include <mysql.h>

#include <libmcsapi/mcsapi.h>

#include <boost/property_tree/ptree.hpp>

#include <boost/property_tree/xml_parser.hpp>

namespace pt = boost::property_tree;

int main(int argc, char** argv)

{

    if (argc != 3)

    {

        std::cout << "Usage: DATABASE TABLE" << std::endl

                  << "Columnstore.xml must be located in /usr/local/mariadb/columnstore/etc/Columnstore.xml" << std::endl;

        return 1;

    }

    // Read the credentials from the Columnstore.xml

    pt::ptree tree;

    pt::read_xml("/usr/local/mariadb/columnstore/etc/Columnstore.xml", tree);

    std::string host = tree.get<std::string>("Columnstore.CrossEngineSupport.Host");

    int port = tree.get<int>("Columnstore.CrossEngineSupport.Port");

    std::string user = tree.get<std::string>("Columnstore.CrossEngineSupport.User");

    std::string password = tree.get<std::string>("Columnstore.CrossEngineSupport.Password");

    std::string database = argv[1];

    std::string table = argv[2];

    // Connect to CS and create the table

    auto mysql =  mysql_init(nullptr);

    mysql_real_connect(mysql, host.c_str(), user.c_str(),

                       password.empty() ? NULL : password.c_str(),

                       NULL, port, NULL, 0);

    std::stringstream query;

    query << "CREATE TABLE " << database << "." << table << "(id int, data varchar(200)) ENGINE=Columnstore";

    mysql_query(mysql, query.str().c_str());

    // Connect with mcsapi and insert one row with a bulk insert

    auto driver = new mcsapi::ColumnStoreDriver(cnf);

    auto bulk = driver->createBulkInsert(database, table, 0, 0);

    auto info = driver->getSystemCatalog().getTable(database, table);

    uint32_t pos1 = info.getColumn("id").getPosition();

    uint32_t pos2 = info.getColumn("data").getPosition();

    bulk->setColumn(pos1, 1);

    bulk->setColumn(pos2, "hello");

    bulk->writeRow();

    bulk->commit();

    // Update the row we just inserted

    std::stringstream query;

    query << "UPDATE `" << database << "`.`" << table << "` SET `id` = 1, `data` = 'Hello' WHERE `id` = 1 AND `data` = 'hello'";

    mysql_query(mysql, query.str().c_str());

    return 0;

}

MariaDB [test]> select * from test.t1;

+------+----------+

| id   | data     |

+------+----------+

|    1 | _CpNoTf_ |

+------+----------+

1 row in set (0.05 sec)

MariaDB [test]> update test.t1 set data = "Hello" where id = 1;

Query OK, 1 row affected (0.15 sec)

Rows matched: 0  Changed: 0  Warnings: 0

MariaDB [test]> select * from test.t1;

+------+----------+

| id   | data     |

+------+----------+

|    1 | _CpNoTf_ |

+------+----------+

1 row in set (0.02 sec)