- <init>
- add
Adds expression rel to this subset.
- buildCheapestPlan
Recursively builds a tree consisting of the cheapest plan at each node.
- getCluster
- getConvention
- getDescription
- getId
- getParentSubsets
Returns the collection of distinct subsets that contain a RelNode one of whose
inputs is in this sub
- getParents
Returns the collection of RelNodes one of whose inputs is in this subset.
- getRels
Returns the rel nodes in this rel subset. All rels must have the same traits and
are logically equiv
- getRowType
- getTraitSet