Examples of weka.experiment.InstanceQuery.retrieveInstances()

weka.experiment.InstanceQuery.retrieveInstances()
Makes a database query using the query set through the -Q option to convert a table into a set of instances @return the instances contained in the result of the query @throws Exception if an error occurs

      InstanceQuery iq = new InstanceQuery();
      iq.setUsername(m_User);
      iq.setPassword(m_Password);
      iq.setQuery(m_query);
      
      result = iq.retrieveInstances();
      
      if(m_DataBaseConnection.getUpperCase()) {
        m_idColumn = m_idColumn.toUpperCase();
      }

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        realQuery = m_env.substitute(realQuery);
      } catch (Exception ex) { }
      iq.setQuery(realQuery);
      iq.setSparseData(m_CreateSparseData);
      
      result = iq.retrieveInstances();
      
      if(m_DataBaseConnection.getUpperCase()) {
        m_idColumn = m_idColumn.toUpperCase();
      }

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