Uses of Interface
org.apache.calcite.util.mapping.Mapping

Packages that use Mapping

Package	Description
org.apache.calcite.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.
org.apache.calcite.util	Provides utility classes.
org.apache.calcite.util.mapping	Support for algebraic maps.

Uses of Mapping in org.apache.calcite.plan

Methods in org.apache.calcite.plan with parameters of type Mapping

Modifier and Type	Method and Description
static RelDataType	RelOptUtil.permute(RelDataTypeFactory typeFactory, RelDataType rowType, Mapping mapping) Permutes a record type according to a mapping.
static org.apache.calcite.plan.SubstitutionVisitor.MutableAggregate	SubstitutionVisitor.permute(org.apache.calcite.plan.SubstitutionVisitor.MutableAggregate aggregate, org.apache.calcite.plan.SubstitutionVisitor.MutableRel input, Mapping mapping)
static RelNode	RelOptUtil.projectMapping(RelNode rel, Mapping mapping, List<String> fieldNames, RelFactories.ProjectFactory projectFactory) Creates a relational expression which projects the output fields of a relational expression according to a partial mapping.

Uses of Mapping in org.apache.calcite.sql2rel

Constructors in org.apache.calcite.sql2rel with parameters of type Mapping

Constructor and Description
RelFieldTrimmer.TrimResult(RelNode left, Mapping right) Creates a TrimResult.

Uses of Mapping in org.apache.calcite.util

Classes in org.apache.calcite.util that implement Mapping

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

Methods in org.apache.calcite.util with parameters of type Mapping

Modifier and Type	Method and Description
void	Permutation.setAll(Mapping mapping)

Uses of Mapping in org.apache.calcite.util.mapping

Classes in org.apache.calcite.util.mapping that implement Mapping

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 Mapping

Modifier and Type	Method and Description
static Mapping	Mappings.bijection(List<Integer> targets) Creates a bijection.
static Mapping	Mappings.create(MappingType mappingType, int sourceCount, int targetCount) Creates a mapping with required properties.
static Mapping	Mappings.divide(Mapping mapping1, Mapping mapping2) Divides one mapping by another.
Mapping	AbstractTargetMapping.inverse()
Mapping	AbstractSourceMapping.inverse()
Mapping	Mappings.SourceMapping.inverse()
Mapping	Mappings.TargetMapping.inverse()
Mapping	Mappings.PartialMapping.inverse()
Mapping	Mappings.IdentityMapping.inverse()
Mapping	Mappings.OverridingSourceMapping.inverse()
Mapping	Mappings.OverridingTargetMapping.inverse()
static Mapping	Mappings.invert(Mapping mapping) Converts a mapping to its inverse.
static Mapping	Mappings.multiply(Mapping mapping1, Mapping mapping2) Multiplies one mapping by another.
static Mapping	Mappings.source(List<Integer> targets, int targetCount)
static Mapping	Mappings.target(Iterable<IntPair> pairs, int sourceCount, int targetCount)
static Mapping	Mappings.target(List<Integer> sources, int sourceCount)

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

Modifier and Type	Method and Description
static BitSet	Mappings.apply(Mapping mapping, BitSet bitSet) Applies a mapping to a BitSet.
static ImmutableBitSet	Mappings.apply(Mapping mapping, ImmutableBitSet bitSet) Applies a mapping to an ImmutableBitSet.
static <T> List<T>	Mappings.apply(Mapping mapping, List<T> list) Applies a mapping to a list.
static List<Integer>	Mappings.apply2(Mapping mapping, List<Integer> list)
static <T> List<T>	Mappings.apply3(Mapping mapping, List<T> list) Creates a view of a list, permuting according to a mapping.
static Mapping	Mappings.divide(Mapping mapping1, Mapping mapping2) Divides one mapping by another.
static Mapping	Mappings.invert(Mapping mapping) Converts a mapping to its inverse.
static Mapping	Mappings.multiply(Mapping mapping1, Mapping mapping2) Multiplies one mapping by another.