Package org.apache.calcite.tools

Provides utility classes.

Interface Summary

Interface	Description
FrameworkConfig	Interface that describes how to configure planning sessions generated using the Frameworks tools.
Frameworks.PlannerAction<R>	Piece of code to be run in a context where a planner is available.
PigRelBuilder.Partitioner	Partitioner for group and join
Planner	A façade that covers Calcite's query planning process: parse SQL, validate the parse tree, convert the parse tree to a relational expression, and optimize the relational expression.
Program	Program that transforms a relational expression into another relational expression.
RelBuilder.AggCall	Information necessary to create a call to an aggregate function.
RelBuilder.GroupKey	Information necessary to create the GROUP BY clause of an Aggregate.
RelBuilderFactory	A partially-created RelBuilder.
RelRunner	Runs a relational expression.
RuleSet	A set rules associated with a particular type of invocation of the Planner.

Class Summary

Class	Description
Frameworks	Tools for invoking Calcite functionality without initializing a container / server first.
Frameworks.ConfigBuilder	A builder to help you build a FrameworkConfig using defaults where values aren't required.
Frameworks.PrepareAction<R>	Piece of code to be run in a context where a planner and statement are available.
Frameworks.StdFrameworkConfig	An implementation of FrameworkConfig that uses standard Calcite classes to provide basic planner functionality.
PigRelBuilder	Extension to RelBuilder for Pig relational operators.
Programs	Utilities for creating Programs.
Programs.DecorrelateProgram	Program that de-correlates a query.
Programs.RuleSetProgram	Program backed by a RuleSet.
Programs.SequenceProgram	Program that runs sub-programs, sending the output of the previous as input to the next.
Programs.TrimFieldsProgram	Program that trims fields.
RelBuilder	Builder for relational expressions.
RelBuilder.AggCallImpl2	Implementation of RelBuilder.AggCall that wraps an AggregateCall.
RelBuilder.Field	A field that belongs to a stack RelBuilder.Frame.
RelBuilder.Frame	Builder stack frame.
RelBuilder.GroupKeyImpl	Implementation of RelBuilder.GroupKey.
RelBuilder.Registrar	Collects the extra expressions needed for RelBuilder.aggregate(org.apache.calcite.tools.RelBuilder.GroupKey, org.apache.calcite.tools.RelBuilder.AggCall...).
RelRunners	Implementations of RelRunner.
RuleSets	Utilities for creating and composing rule sets.
RuleSets.ListRuleSet	Rule set that consists of a list of rules.

Enum Summary

Enum	Description
PigRelBuilder.GroupOption	Option for performing group efficiently if data set is already sorted

Exception Summary

Exception	Description
RelConversionException	An Exception thrown when attempting conversion to a set of RelNodes.
ValidationException	An Exception thrown when attempting to validate a SQL parse tree.