How to use

equals

method

in

org.apache.cassandra.db.PartitionColumns

clusteringColumns = cfm.clusteringColumns;
boolean changeAffectsStatements = !partitionColumns.equals(cfm.partitionColumns);
partitionColumns = cfm.partitionColumns;
superCfKeyColumn = cfm.superCfKeyColumn;

clusteringColumns = cfm.clusteringColumns;
boolean changeAffectsStatements = !partitionColumns.equals(cfm.partitionColumns);
partitionColumns = cfm.partitionColumns;
superCfKeyColumn = cfm.superCfKeyColumn;

clusteringColumns = cfm.clusteringColumns;
boolean changeAffectsStatements = !partitionColumns.equals(cfm.partitionColumns);
partitionColumns = cfm.partitionColumns;
superCfKeyColumn = cfm.superCfKeyColumn;

/**
 * Returns an iterator that concatenate two atom iterators.
 * This method assumes that both iterator are from the same partition and that the atom from
 * {@code iter2} come after the ones of {@code iter1} (that is, that concatenating the iterator
 * make sense).
 */
public static UnfilteredRowIterator concat(final UnfilteredRowIterator iter1, final UnfilteredRowIterator iter2)
{
  assert iter1.metadata().cfId.equals(iter2.metadata().cfId)
    && iter1.partitionKey().equals(iter2.partitionKey())
    && iter1.partitionLevelDeletion().equals(iter2.partitionLevelDeletion())
    && iter1.isReverseOrder() == iter2.isReverseOrder()
    && iter1.columns().equals(iter2.columns())
    && iter1.staticRow().equals(iter2.staticRow());
  class Extend implements MoreRows<UnfilteredRowIterator>
  {
    boolean returned = false;
    public UnfilteredRowIterator moreContents()
    {
      if (returned)
        return null;
      returned = true;
      return iter2;
    }
  }
  return MoreRows.extend(iter1, new Extend());
}