public int executeDelete(DeleteData data, Transaction tx)
{
Plan p = new TablePlan(data.tableName(), tx);
p = new SelectPlan(p, data.pred());
UpdateScan us = (UpdateScan)p.open();
int count = 0;
while (us.next())
{
us.delete();
count++;
}
us.close();
return(count);
}
public void delete()
{
UpdateScan us = (UpdateScan)s;
us.delete();
}