contents   index   previous   next



SimpleDataset deleteAll()

syntax:

simpledataset.deleteAll()

return:

boolean - value indicating success. In the case that the operation failed, use the getLastErrorCode() and getLastError() methods to determine the reason for the failure.

 

description:

This method removes all records from the SimpleDataset. The corresponding rows will also be deleted from the associated database table.

 

see:

#include <smdtset.jsh>, SimpleDataset deleteRecord()

 

example:

// This function will delete all records

// with USA as their country

function delete_USA(db, table, user, passwd)

{

   var ds = new SimpleDataset(db, table, user,

                              passwd );

 

   // find the entries whose country is USA

   var template;

   template.country = "USA";

   ds.find(template);

 

   // delete the records from the SimpleDataset

   // and clean up

   ds.deleteAll();

   ds.close();

}

 


SimpleDataset replaceRecord()