R- The generic type for the [R]elation elements.
public interface IChunkedOrderedIterator<R> extends IChunkedIterator<R>
IChunkedIteratorinterface that knows about natural traversal orders and how to re-order the elements that are being visited to support JOINs where the natural order for the access paths is different for the left- and right-hand side of the JOIN.
|Modifier and Type||Method and Description|
The natural order in which elements are being visited.
Return the next "chunk" of elements.
nullif not known.
getKeyOrder()would return non-
nulland the request order corresponds to the value that would be returned by
getKeyOrder()then the elements in the next chunk are NOT sorted. Otherwise the elements in the next chunk are sorted before they are returned. The size of the chunk is up to the implementation.
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