Package org.apache.calcite.rel.core

package org.apache.calcite.rel.core

Defines core relational expressions.

Related packages and classes

• Package org.apache.calcite.rel.logical contains logical relational expressions
• Package org.apache.calcite.rex defines the relational expression API

Related Packages

Package	Description
org.apache.calcite.rel	Defines relational expressions.

Class	Description
Aggregate	Relational operator that eliminates duplicates and computes totals.
Aggregate.AggCallBinding	Implementation of the SqlOperatorBinding interface for an aggregate call applied to a set of operands in the context of a LogicalAggregate.
Aggregate.Group	Describes the kind of roll-up.
Aggregate.PercentileDiscAggCallBinding	Used for PERCENTILE_DISC return type inference.
AggregateCall	Call to an aggregate function within an Aggregate.
Calc	Calc is an abstract base class for implementations of LogicalCalc.
Collect	A relational expression that collapses multiple rows into one.
Correlate	A relational operator that performs nested-loop joins.
CorrelationId	Describes the necessary parameters for an implementation in order to identify and set dynamic variables.
EquiJoin	Deprecated. This class is no longer needed; if you are writing a sub-class of Join that only accepts equi conditions, it is sufficient that it extends Join.
Exchange	Relational expression that imposes a particular distribution on its input without otherwise changing its content.
Filter	Relational expression that iterates over its input and returns elements for which condition evaluates to true.
Intersect	Relational expression that returns the intersection of the rows of its inputs.
Join	Relational expression that combines two relational expressions according to some condition.
JoinInfo	An analyzed join condition.
JoinRelType	Enumeration of join types.
Match	Relational expression that represent a MATCH_RECOGNIZE node.
Match.RexMRAggCall	Aggregate calls in match recognize.
Minus	Relational expression that returns the rows of its first input minus any matching rows from its other inputs.
Project	Relational expression that computes a set of 'select expressions' from its input relational expression.
Project.Flags	Deprecated.
RelFactories	Contains factory interface and default implementation for creating various rel nodes.
RelFactories.AggregateFactory	Can create a LogicalAggregate of the appropriate type for this rule's calling convention.
RelFactories.CorrelateFactory	Can create a correlate of the appropriate type for a rule's calling convention.
RelFactories.ExchangeFactory	Can create a Exchange of the appropriate type for a rule's calling convention.
RelFactories.FilterFactory	Can create a Filter of the appropriate type for this rule's calling convention.
RelFactories.JoinFactory	Can create a join of the appropriate type for a rule's calling convention.
RelFactories.MatchFactory	Can create a Match of the appropriate type for a rule's calling convention.
RelFactories.ProjectFactory	Can create a LogicalProject of the appropriate type for this rule's calling convention.
RelFactories.RepeatUnionFactory	Can create a RepeatUnion of the appropriate type for a rule's calling convention.
RelFactories.SampleFactory	Can create a Sample of the appropriate type for a rule's calling convention.
RelFactories.SemiJoinFactory	Deprecated. Use RelFactories.JoinFactory instead.
RelFactories.SetOpFactory	Can create a SetOp for a particular kind of set operation (UNION, EXCEPT, INTERSECT) and of the appropriate type for this rule's calling convention.
RelFactories.SnapshotFactory	Can create a Snapshot of the appropriate type for a rule's calling convention.
RelFactories.SnapshotFactoryImpl	Implementation of RelFactories.SnapshotFactory that returns a vanilla LogicalSnapshot.
RelFactories.SortExchangeFactory	Can create a SortExchange of the appropriate type for a rule's calling convention.
RelFactories.SortFactory	Can create a Sort of the appropriate type for this rule's calling convention.
RelFactories.SpoolFactory	Can create a Spool of the appropriate type for a rule's calling convention.
RelFactories.Struct	Immutable record that contains an instance of each factory.
RelFactories.TableFunctionScanFactory	Can create a TableFunctionScan of the appropriate type for a rule's calling convention.
RelFactories.TableScanFactory	Can create a TableScan of the appropriate type for a rule's calling convention.
RelFactories.ValuesFactory	Can create a Values of the appropriate type for a rule's calling convention.
RepeatUnion	Relational expression that computes a repeat union (recursive union in SQL terminology).
Sample	Relational expression that returns a sample of the rows from its input.
SetOp	SetOp is an abstract base for relational set operators such as UNION, MINUS (aka EXCEPT), and INTERSECT.
Snapshot	Relational expression that returns the contents of a relation expression as it was at a given time in the past.
Sort	Relational expression that imposes a particular sort order on its input without otherwise changing its content.
SortExchange	Relational expression that performs Exchange and Sort simultaneously.
Spool	Relational expression that iterates over its input and, in addition to returning its results, will forward them into other consumers.
Spool.Type	Enumeration representing spool read / write type.
TableFunctionScan	Relational expression that calls a table-valued function.
TableModify	Relational expression that modifies a table.
TableModify.Operation	Enumeration of supported modification operations.
TableScan	Relational operator that returns the contents of a table.
TableSpool	Spool that writes into a table.
Uncollect	Relational expression that unnests its input's columns into a relation.
Union	Relational expression that returns the union of the rows of its inputs, optionally eliminating duplicates.
Values	Relational expression whose value is a sequence of zero or more literal row values.
Window	A relational expression representing a set of window aggregates.
Window.Group	Group of windowed aggregate calls that have the same window specification.
Window.RexWinAggCall	A call to a windowed aggregate function.