Example 5.1. Alter data of a column

#define HAVE_SSTREAM 1
#include <hk_classes.h>
#include <iostream>
int main()
{
   hk_drivermanager* mydrivermanager = new hk_drivermanager();
   if (mydrivermanager==NULL) {cout <<"error creating mydrivermanager"<<endl;exit(1);}
   hk_connection* myconnection = mydrivermanager->new_connection("mysql");
   if (myconnection==NULL) {cout <<"error creating myconnection"<<endl;exit(1);}
   myconnection->set_host("localhost");
   myconnection->set_user("root");
   myconnection->set_password("mypasswd");
   myconnection->connect();

   hk_database* mydatabase=myconnection->new_database("exampledb");
   if (mydatabase==NULL) {cout <<"error creating mydatabase"<<endl;exit(1);}
   hk_datasource* mydatasource= mydatabase->new_table("authors");
   if (mydatasource==NULL) {cout <<"error creating mydatasource"<<endl;exit(1);}
   mydatasource->enable();

   hk_column* mycolumn = mydatasource->column_by_name("name");
   if (mycolumn==NULL) {cout <<"error getting column"<<endl;exit(1);}
   mycolumn->set_asstring("my new data");
   mydatasource->store_changed_data();
   delete mydrivermanager;
}