Uses of Interface
org.apache.calcite.util.mapping.Mappings.TargetMapping

Packages that use Mappings.TargetMapping

Package	Description
org.apache.calcite.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.core	Defines core relational expressions.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.util	Provides utility classes.
org.apache.calcite.util.mapping	Support for algebraic maps.

Uses of Mappings.TargetMapping in org.apache.calcite.plan

Methods in org.apache.calcite.plan that return Mappings.TargetMapping

Modifier and Type	Method and Description
static Mappings.TargetMapping	RelOptUtil.permutation(List<RexNode> nodes, RelDataType inputRowType) Returns a permutation describing where output fields come from.

Methods in org.apache.calcite.plan with parameters of type Mappings.TargetMapping

Modifier and Type	Method and Description
static RelNode	RelOptUtil.createProject(RelNode child, Mappings.TargetMapping mapping) Creates a LogicalProject that projects particular fields of its input, according to a mapping.

Uses of Mappings.TargetMapping in org.apache.calcite.rel

Methods in org.apache.calcite.rel with parameters of type Mappings.TargetMapping

Modifier and Type	Method and Description
RelDistribution	RelDistribution.apply(Mappings.TargetMapping mapping)

Uses of Mappings.TargetMapping in org.apache.calcite.rel.core

Methods in org.apache.calcite.rel.core that return Mappings.TargetMapping

Modifier and Type	Method and Description
Mappings.TargetMapping	Project.getMapping() Returns a mapping, or null if this projection is not a mapping.
static Mappings.TargetMapping	Project.getMapping(int inputFieldCount, List<? extends RexNode> projects) Returns a mapping of a set of project expressions.
static Mappings.TargetMapping	Project.getPartialMapping(int inputFieldCount, List<? extends RexNode> projects) Returns a partial mapping of a set of project expressions.

Methods in org.apache.calcite.rel.core with parameters of type Mappings.TargetMapping

Modifier and Type	Method and Description
AggregateCall	AggregateCall.transform(Mappings.TargetMapping mapping) Creates a copy of this aggregate call, applying a mapping to its arguments.

Uses of Mappings.TargetMapping in org.apache.calcite.rex

Methods in org.apache.calcite.rex with parameters of type Mappings.TargetMapping

Modifier and Type	Method and Description
static Iterable<RexNode>	RexUtil.apply(Mappings.TargetMapping mapping, Iterable<? extends RexNode> nodes) Applies a mapping to an iterable over expressions.
static List<RelCollation>	RexUtil.apply(Mappings.TargetMapping mapping, List<RelCollation> collationList) Applies a mapping to a collation list.
static RelCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelCollation collation) Applies a mapping to a collation.
static RelFieldCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelFieldCollation fieldCollation) Applies a mapping to a field collation.
static RexNode	RexUtil.apply(Mappings.TargetMapping mapping, RexNode node) Applies a mapping to an expression.
static List<RelFieldCollation>	RexUtil.applyFields(Mappings.TargetMapping mapping, List<RelFieldCollation> fieldCollations) Applies a mapping to a list of field collations.
static RexPermuteInputsShuttle	RexPermuteInputsShuttle.of(Mappings.TargetMapping mapping) Creates a shuttle with an empty field list.

Constructors in org.apache.calcite.rex with parameters of type Mappings.TargetMapping

Constructor and Description
RexPermuteInputsShuttle(Mappings.TargetMapping mapping, RelNode... inputs) Creates a RexPermuteInputsShuttle.

Uses of Mappings.TargetMapping in org.apache.calcite.util

Classes in org.apache.calcite.util that implement Mappings.TargetMapping

Modifier and Type	Class and Description
class	Permutation Represents a mapping which reorders elements in an array.

Uses of Mappings.TargetMapping in org.apache.calcite.util.mapping

Subinterfaces of Mappings.TargetMapping in org.apache.calcite.util.mapping

Modifier and Type	Interface and Description
interface	Mapping A Mapping is a relationship between a source domain to target domain of integers.

Classes in org.apache.calcite.util.mapping that implement Mappings.TargetMapping

Modifier and Type	Class and Description
class	AbstractSourceMapping Simple implementation of Mappings.TargetMapping where the number of sources and targets are specified as constructor parameters and you just need to implement one method,
class	AbstractTargetMapping Simple implementation of Mappings.TargetMapping where the number of sources and targets are specified as constructor parameters and you just need to implement one method,
static class	Mappings.AbstractMapping Abstract implementation of Mapping.
static class	Mappings.FiniteAbstractMapping Abstract implementation of mapping where both source and target domains are finite.
static class	Mappings.IdentityMapping The identity mapping, of a given size, or infinite.
static class	Mappings.OverridingSourceMapping Source mapping that returns the same result as a parent Mappings.SourceMapping except for specific overriding elements.
static class	Mappings.OverridingTargetMapping Target mapping that returns the same result as a parent Mappings.TargetMapping except for specific overriding elements.
static class	Mappings.PartialMapping A mapping where a source has at most one target, and every target has at most one source.

Methods in org.apache.calcite.util.mapping that return Mappings.TargetMapping

Modifier and Type	Method and Description
static Mappings.TargetMapping	Mappings.append(Mappings.TargetMapping mapping0, Mappings.TargetMapping mapping1) Creates a mapping by appending two mappings.
static Mappings.TargetMapping	Mappings.createShiftMapping(int sourceCount, int... ints) Creates a mapping that consists of a set of contiguous ranges.
static Mappings.TargetMapping	Mappings.merge(Mappings.TargetMapping mapping0, Mappings.TargetMapping mapping1) Creates a mapping by merging two mappings.
static Mappings.TargetMapping	Mappings.offset(Mappings.TargetMapping mapping, int offset, int sourceCount) Returns a mapping that shifts a given mapping's source and target by a given offset.
static Mappings.TargetMapping	Mappings.offsetSource(Mappings.TargetMapping mapping, int offset) Returns a mapping that shifts a given mapping's source by a given offset, incrementing the number of sources by the minimum possible.
static Mappings.TargetMapping	Mappings.offsetSource(Mappings.TargetMapping mapping, int offset, int sourceCount) Returns a mapping that shifts a given mapping's source by a given offset.
static Mappings.TargetMapping	Mappings.offsetTarget(Mappings.TargetMapping mapping, int offset) Returns a mapping that shifts a given mapping's target by a given offset, incrementing the number of targets by the minimum possible.
static Mappings.TargetMapping	Mappings.offsetTarget(Mappings.TargetMapping mapping, int offset, int targetCount) Returns a mapping that shifts a given mapping's target by a given offset.
static Mappings.TargetMapping	Mappings.target(com.google.common.base.Function<Integer,Integer> function, int sourceCount, int targetCount)
static Mappings.TargetMapping	Mappings.target(Map<Integer,Integer> map, int sourceCount, int targetCount) Converts a Map of integers to a Mappings.TargetMapping.

Methods in org.apache.calcite.util.mapping with parameters of type Mappings.TargetMapping

Modifier and Type	Method and Description
static Mappings.TargetMapping	Mappings.append(Mappings.TargetMapping mapping0, Mappings.TargetMapping mapping1) Creates a mapping by appending two mappings.
static List<Integer>	Mappings.asList(Mappings.TargetMapping mapping) Returns a mapping as a list such that list.get(source) is mapping.getTarget(source) and list.size() is mapping.getSourceCount().
static boolean	Mappings.isIdentity(Mappings.TargetMapping mapping) Returns whether a mapping is the identity.
static Mappings.TargetMapping	Mappings.merge(Mappings.TargetMapping mapping0, Mappings.TargetMapping mapping1) Creates a mapping by merging two mappings.
static Mappings.TargetMapping	Mappings.offset(Mappings.TargetMapping mapping, int offset, int sourceCount) Returns a mapping that shifts a given mapping's source and target by a given offset.
static Mappings.TargetMapping	Mappings.offsetSource(Mappings.TargetMapping mapping, int offset) Returns a mapping that shifts a given mapping's source by a given offset, incrementing the number of sources by the minimum possible.
static Mappings.TargetMapping	Mappings.offsetSource(Mappings.TargetMapping mapping, int offset, int sourceCount) Returns a mapping that shifts a given mapping's source by a given offset.
static Mappings.TargetMapping	Mappings.offsetTarget(Mappings.TargetMapping mapping, int offset) Returns a mapping that shifts a given mapping's target by a given offset, incrementing the number of targets by the minimum possible.
static Mappings.TargetMapping	Mappings.offsetTarget(Mappings.TargetMapping mapping, int offset, int targetCount) Returns a mapping that shifts a given mapping's target by a given offset.
static <T> List<T>	Mappings.permute(List<T> list, Mappings.TargetMapping mapping) Creates a view of a list, permuting according to a target mapping.

Constructors in org.apache.calcite.util.mapping with parameters of type Mappings.TargetMapping

Constructor and Description
Mappings.OverridingTargetMapping(Mappings.TargetMapping parent, int target, int source)