# Uses of Package
org.modeshape.jcr.query.plan

- Packages that use org.modeshape.jcr.query.plan
  Package | Description
  --- | ---
  org.modeshape.jcr.query | The Query API provides a mechanism for building and executing queries.
  org.modeshape.jcr.query.engine | This package contains several fully-functional query engine implementations.
  org.modeshape.jcr.query.model | The Abstract Query Model is a vocabulary that can be used to construct a language-neutral representation of a query.
  org.modeshape.jcr.query.optimize | This package contains the Optimizer interface, a rule-based optimizer implementation, and library of optimization rules.
  org.modeshape.jcr.query.plan | This package defines the `Planner` interface, the `CanonicalPlanner` implementation, and the `PlanNode` class that is used to represent a canonical query plan.

- Classes in org.modeshape.jcr.query.plan used by org.modeshape.jcr.query
  Class and Description
  PlanHints
  Planner Interface for a query planner.

- Classes in org.modeshape.jcr.query.plan used by org.modeshape.jcr.query.engine
  Class and Description
  PlanHints
  Planner Interface for a query planner.
  PlanNode A representation of a single node within a plan tree.

- Classes in org.modeshape.jcr.query.plan used by org.modeshape.jcr.query.model
  Class and Description
  PlanHints

- Classes in org.modeshape.jcr.query.plan used by org.modeshape.jcr.query.optimize
  Class and Description
  PlanHints
  PlanNode A representation of a single node within a plan tree.

- Classes in org.modeshape.jcr.query.plan used by org.modeshape.jcr.query.plan
  Class and Description
  JoinAlgorithm The type of join algorithms.
  PlanHints
  Planner Interface for a query planner.
  PlanNode A representation of a single node within a plan tree.
  PlanNode.Operation
  PlanNode.Property An enumeration dictating the type of plan tree nodes.
  PlanNode.Traversal
  PlanNode.Type An enumeration dictating the type of plan tree nodes.
  PlanUtil.ColumnMapping Defines how the view columns are mapped (or resolved) into the columns from the source tables.

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