|
Class Summary |
| EdgeSample |
A sample produced by a cutoff join. |
| JGraph |
A runtime optimizer for a join graph. |
| JoinGraph |
A join graph with annotations for estimated cardinality and other details in
support of runtime query optimization. |
| Path |
A join path is an ordered sequence of N vertices and
represents an ordered series of N-1 joins. |
| PathIds |
An ordered array of bop identifiers which can be used as a signature for a
join path segment. |
| SampleBase |
Base class for a sample taken from a vertex (access path) or edge (cutoff
join). |
| Vertex |
A vertex of the join graph is an annotated relation (this corresponds to an
IPredicate with additional annotations to support the adaptive query
optimization algorithm). |
| VertexSample |
A sample of a Vertex (an access path). |