Module cardinality

Definition and helper structs for the Cardinality Analysis.

Structs

• Cardinality
  Compute the estimated cardinality of each subtree of a MirRelationExpr from the bottom up.

Enums

• CardinalityEstimate
  Cardinality estimates

Constants

• WORST_CASE_SELECTIVITY
  The default selectivity for predicates we know nothing about.