Sophie: libhk_classes5-devel-0.6.2a-3mdk i586

libhk_classes5-devel-0.6.2a-3mdk.i586.rpm

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>Chapter 9. Use a query</H1
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>A result query works like a table. Note: the SQL statement has no delimiter at the end, even if the used database needs
one.
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>Example 9-1. Use a query</B
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>   1&nbsp;
   2&nbsp;  #include &#60;hk_classes.h&#62;
   3&nbsp;  #include &#60;iostream&#62;
   4&nbsp;  int main()
   5&nbsp;  {
   6&nbsp;  hk_drivermanager* mydrivermanager = new hk_drivermanager();
   7&nbsp;  if (mydrivermanager==NULL) {cout &#60;&#60;"error creating mydrivermanager"&#60;&#60;endl;exit(1);}
   8&nbsp;  hk_connection* myconnection = mydrivermanager-&#62;new_connection();
   9&nbsp;  if (myconnection==NULL) {cout &#60;&#60;"error creating myconnection"&#60;&#60;endl;exit(1);}
  10&nbsp;  myconnection-&#62;connect();
  11&nbsp;
  12&nbsp;  hk_database* mydatabase=myconnection-&#62;new_database("exampledb");
  13&nbsp;  if (mydatabase==NULL) {cout &#60;&#60;"error creating mydatabase"&#60;&#60;endl;exit(1);}
  14&nbsp;  <FONT
COLOR="RED"
>hk_datasource* mydatasource= mydatabase-&#62;new_resultquery();</FONT
>
  15&nbsp;  <FONT
COLOR="RED"
>mydatasource-&#62;set_sql("SELECT * FROM literature");</FONT
>
  16&nbsp;  if (mydatasource==NULL) {cout &#60;&#60;"error creating mydatasource"&#60;&#60;endl;exit(1);}
  17&nbsp;  mydatasource-&#62;enable();
  18&nbsp;  //the following internal debugging command should not be used. It is used here for
  19&nbsp;  //demonstration purposes only!!!!
  20&nbsp;  mydatasource-&#62;dump_data(); // DON'T USE THIS COMMAND IN YOUR PROGRAMMS!!!
  21&nbsp;
  22&nbsp;  delete mydrivermanager;
  23&nbsp;  }</PRE
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