Uses of Interface
org.apache.calcite.rel.RelCollation

Packages that use RelCollation

Package	Description
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.adapter.jdbc	Query provider based on a JDBC data source.
org.apache.calcite.interpreter	Provides an implementation of relational expressions using an interpreter.
org.apache.calcite.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.prepare	Preparation of queries (parsing, planning and implementation).
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.core	Defines core relational expressions.
org.apache.calcite.rel.externalize	Facilities to externalize RelNodes to and from XML and JSON format.
org.apache.calcite.rel.logical	Defines logical relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.schema	Schema SPI.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.

Uses of RelCollation in org.apache.calcite.adapter.enumerable

Methods in org.apache.calcite.adapter.enumerable with parameters of type RelCollation

Modifier and Type	Method and Description
EnumerableSort	EnumerableSort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation, RexNode offset, RexNode fetch)
static EnumerableSort	EnumerableSort.create(RelNode child, RelCollation collation, RexNode offset, RexNode fetch) Creates an EnumerableSort.
Expression	PhysTypeImpl.generateComparator(RelCollation collation)
Expression	PhysType.generateComparator(RelCollation collation) Returns a comparator.

Constructors in org.apache.calcite.adapter.enumerable with parameters of type RelCollation

Constructor and Description
EnumerableSort(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RelCollation collation, RexNode offset, RexNode fetch) Creates an EnumerableSort.

Constructor parameters in org.apache.calcite.adapter.enumerable with type arguments of type RelCollation

Constructor and Description
EnumerableCalc(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RexProgram program, List<RelCollation> collationList) Deprecated.

Uses of RelCollation in org.apache.calcite.adapter.jdbc

Methods in org.apache.calcite.adapter.jdbc with parameters of type RelCollation

Modifier and Type	Method and Description
JdbcRules.JdbcSort	JdbcRules.JdbcSort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation, RexNode offset, RexNode fetch)

Constructors in org.apache.calcite.adapter.jdbc with parameters of type RelCollation

Constructor and Description
JdbcRules.JdbcSort(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RelCollation collation)

Uses of RelCollation in org.apache.calcite.interpreter

Methods in org.apache.calcite.interpreter with parameters of type RelCollation

Modifier and Type	Method and Description
Bindables.BindableSort	Bindables.BindableSort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation, RexNode offset, RexNode fetch)

Constructors in org.apache.calcite.interpreter with parameters of type RelCollation

Constructor and Description
Bindables.BindableSort(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RelCollation collation, RexNode offset, RexNode fetch)

Uses of RelCollation in org.apache.calcite.plan

Methods in org.apache.calcite.plan that return types with arguments of type RelCollation

Modifier and Type	Method and Description
List<RelCollation>	RelOptAbstractTable.getCollationList()
List<RelCollation>	RelOptTable.getCollationList() Returns a description of the physical ordering (or orderings) of the rows returned from this table.

Uses of RelCollation in org.apache.calcite.prepare

Methods in org.apache.calcite.prepare that return types with arguments of type RelCollation

Modifier and Type	Method and Description
List<RelCollation>	RelOptTableImpl.getCollationList()

Uses of RelCollation in org.apache.calcite.rel

Classes in org.apache.calcite.rel that implement RelCollation

Modifier and Type	Class and Description
class	RelCollationImpl Simple implementation of RelCollation.

Fields in org.apache.calcite.rel declared as RelCollation

Modifier and Type	Field and Description
static RelCollation	RelCollationImpl.EMPTY Deprecated.
static RelCollation	RelCollations.EMPTY A collation indicating that a relation is not sorted.
static RelCollation	RelCollationImpl.PRESERVE Deprecated.
static RelCollation	RelCollations.PRESERVE A collation that cannot be replicated by applying a sort.

Methods in org.apache.calcite.rel that return RelCollation

Modifier and Type	Method and Description
RelCollation	RelInput.getCollation()
RelCollation	RelCollationTraitDef.getDefault()
static RelCollation	RelCollationImpl.of(List<RelFieldCollation> fieldCollations) Deprecated.
static RelCollation	RelCollations.of(List<RelFieldCollation> fieldCollations)
static RelCollation	RelCollationImpl.of(RelFieldCollation... fieldCollations) Deprecated.
static RelCollation	RelCollations.of(RelFieldCollation... fieldCollations)
static RelCollation	RelCollations.shift(RelCollation collation, int offset)

Methods in org.apache.calcite.rel that return types with arguments of type RelCollation

Modifier and Type	Method and Description
static List<RelCollation>	RelCollationImpl.createSingleton(int fieldIndex) Deprecated.
static List<RelCollation>	RelCollations.createSingleton(int fieldIndex) Creates a list containing one collation containing one field.
List<RelCollation>	AbstractRelNode.getCollationList() Deprecated. Use RelMetadataQuery.collations(RelNode)
List<RelCollation>	RelNode.getCollationList() Deprecated. Use RelMetadataQuery.distribution(RelNode)
Class<RelCollation>	RelCollationTraitDef.getTraitClass()

Methods in org.apache.calcite.rel with parameters of type RelCollation

Modifier and Type	Method and Description
boolean	RelCollationTraitDef.canConvert(RelOptPlanner planner, RelCollation fromTrait, RelCollation toTrait)
static boolean	RelCollations.contains(RelCollation collation, Iterable<Integer> keys) Returns whether a collation indicates that the collection is sorted on a given list of keys.
RelNode	RelCollationTraitDef.convert(RelOptPlanner planner, RelNode rel, RelCollation toCollation, boolean allowInfiniteCostConverters)
static List<Integer>	RelCollationImpl.ordinals(RelCollation collation) Deprecated.
static List<Integer>	RelCollations.ordinals(RelCollation collation) Returns the indexes of the field collations in a given collation.
static RelCollation	RelCollations.shift(RelCollation collation, int offset)

Method parameters in org.apache.calcite.rel with type arguments of type RelCollation

Modifier and Type	Method and Description
static boolean	RelCollations.contains(List<RelCollation> collations, ImmutableIntList keys) Returns whether one of a list of collations indicates that the collection is sorted on the given list of keys.
static boolean	RelCollationImpl.equal(List<RelCollation> collationList1, List<RelCollation> collationList2) Deprecated.
static boolean	RelCollationImpl.equal(List<RelCollation> collationList1, List<RelCollation> collationList2) Deprecated.
static boolean	RelCollations.equal(List<RelCollation> collationList1, List<RelCollation> collationList2)
static boolean	RelCollations.equal(List<RelCollation> collationList1, List<RelCollation> collationList2)
static boolean	RelCollationImpl.isValid(RelDataType rowType, List<RelCollation> collationList, boolean fail) Deprecated.
static boolean	RelCollations.isValid(RelDataType rowType, List<RelCollation> collationList, boolean fail) Checks that a collection of collations is valid.

Uses of RelCollation in org.apache.calcite.rel.core

Fields in org.apache.calcite.rel.core declared as RelCollation

Modifier and Type	Field and Description
RelCollation	Sort.collation
protected RelCollation	SortExchange.collation
RelCollation	Window.Group.orderKeys

Methods in org.apache.calcite.rel.core that return RelCollation

Modifier and Type	Method and Description
RelCollation	Window.Group.collation()
RelCollation	Sort.getCollation() Returns the array of RelFieldCollations asked for by the sort specification, from most significant to least significant.
RelCollation	SortExchange.getCollation() Returns the array of RelFieldCollations asked for by the sort specification, from most significant to least significant.
static RelCollation	Window.getCollation(List<RexFieldCollation> collations)

Methods in org.apache.calcite.rel.core that return types with arguments of type RelCollation

Modifier and Type	Method and Description
List<RelCollation>	Sort.getCollationList()
List<RelCollation>	TableScan.getCollationList()

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

Modifier and Type	Method and Description
Sort	Sort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation)
abstract Sort	Sort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation, RexNode offset, RexNode fetch)
abstract SortExchange	SortExchange.copy(RelTraitSet traitSet, RelNode newInput, RelDistribution newDistribution, RelCollation newCollation)
RelNode	RelFactories.SortFactory.createSort(RelTraitSet traits, RelNode child, RelCollation collation, RexNode offset, RexNode fetch) Creates a sort.

Method parameters in org.apache.calcite.rel.core with type arguments of type RelCollation

Modifier and Type	Method and Description
Calc	Calc.copy(RelTraitSet traitSet, RelNode child, RexProgram program, List<RelCollation> collationList) Deprecated.

Constructors in org.apache.calcite.rel.core with parameters of type RelCollation

Constructor and Description
Sort(RelOptCluster cluster, RelTraitSet traits, RelNode child, RelCollation collation) Creates a Sort.
Sort(RelOptCluster cluster, RelTraitSet traits, RelNode child, RelCollation collation, RexNode offset, RexNode fetch) Creates a Sort.
SortExchange(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RelDistribution distribution, RelCollation collation) Creates a SortExchange.
Window.Group(ImmutableBitSet keys, boolean isRows, RexWindowBound lowerBound, RexWindowBound upperBound, RelCollation orderKeys, List<Window.RexWinAggCall> aggCalls)

Constructor parameters in org.apache.calcite.rel.core with type arguments of type RelCollation

Constructor and Description
Calc(RelOptCluster cluster, RelTraitSet traits, RelNode child, RexProgram program, List<RelCollation> collationList) Deprecated.

Uses of RelCollation in org.apache.calcite.rel.externalize

Methods in org.apache.calcite.rel.externalize that return RelCollation

Modifier and Type	Method and Description
RelCollation	RelJson.toCollation(List<Map<String,Object>> jsonFieldCollations)

Uses of RelCollation in org.apache.calcite.rel.logical

Methods in org.apache.calcite.rel.logical with parameters of type RelCollation

Modifier and Type	Method and Description
Sort	LogicalSort.copy(RelTraitSet traitSet, RelNode newInput, RelCollation newCollation, RexNode offset, RexNode fetch)
static LogicalSort	LogicalSort.create(RelNode input, RelCollation collation, RexNode offset, RexNode fetch) Creates a LogicalSort.

Constructor parameters in org.apache.calcite.rel.logical with type arguments of type RelCollation

Constructor and Description
LogicalCalc(RelOptCluster cluster, RelTraitSet traitSet, RelNode child, RexProgram program, List<RelCollation> collationList) Deprecated.

Uses of RelCollation in org.apache.calcite.rel.metadata

Methods in org.apache.calcite.rel.metadata that return types with arguments of type RelCollation

Modifier and Type	Method and Description
static List<RelCollation>	RelMdCollation.calc(RelNode input, RexProgram program) Helper method to determine a Calc's collation.
com.google.common.collect.ImmutableList<RelCollation>	BuiltInMetadata.Collation.collations() Determines which columns are sorted.
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(EnumerableMergeJoin join)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Filter rel)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(HepRelVertex rel)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Project project)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(RelNode rel) Fallback method to deduce collations for any relational expression not handled by a more specific method.
static com.google.common.collect.ImmutableList<RelCollation>	RelMetadataQuery.collations(RelNode rel) Returns the BuiltInMetadata.Collation.collations() statistic.
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(RelSubset rel)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Sort sort)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(SortExchange sort)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(TableScan scan)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Values values)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Window rel)
static List<RelCollation>	RelMdCollation.filter(RelNode input) Helper method to determine a Filter's collation.
static List<RelCollation>	RelMdCollation.limit(RelNode input) Helper method to determine a limit's collation.
static List<RelCollation>	RelMdCollation.mergeJoin(RelNode left, RelNode right, ImmutableIntList leftKeys, ImmutableIntList rightKeys) Helper method to determine a Join's collation assuming that it uses a merge-join algorithm.
static List<RelCollation>	RelMdCollation.project(RelNode input, List<? extends RexNode> projects) Helper method to determine a Project's collation.
static List<RelCollation>	RelMdCollation.sort(RelCollation collation) Helper method to determine a Sort's collation.
static List<RelCollation>	RelMdCollation.table(RelOptTable table) Helper method to determine a TableScan's collation.
static List<RelCollation>	RelMdCollation.values(RelDataType rowType, com.google.common.collect.ImmutableList<com.google.common.collect.ImmutableList<RexLiteral>> tuples) Helper method to determine a Values's collation.
static List<RelCollation>	RelMdCollation.window(RelNode input, com.google.common.collect.ImmutableList<Window.Group> groups) Helper method to determine a Window's collation.

Methods in org.apache.calcite.rel.metadata with parameters of type RelCollation

Modifier and Type	Method and Description
static List<RelCollation>	RelMdCollation.sort(RelCollation collation) Helper method to determine a Sort's collation.

Uses of RelCollation in org.apache.calcite.rex

Methods in org.apache.calcite.rex that return RelCollation

Modifier and Type	Method and Description
static RelCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelCollation collation) Applies a mapping to a collation.

Methods in org.apache.calcite.rex that return types with arguments of type RelCollation

Modifier and Type	Method and Description
static List<RelCollation>	RexUtil.apply(Mappings.TargetMapping mapping, List<RelCollation> collationList) Applies a mapping to a collation list.
List<RelCollation>	RexProgram.getCollations(List<RelCollation> inputCollations) Given a list of collations which hold for the input to this program, returns a list of collations which hold for its output.

Methods in org.apache.calcite.rex with parameters of type RelCollation

Modifier and Type	Method and Description
static RelCollation	RexUtil.apply(Mappings.TargetMapping mapping, RelCollation collation) Applies a mapping to a collation.

Method parameters in org.apache.calcite.rex with type arguments of type RelCollation

Modifier and Type	Method and Description
static List<RelCollation>	RexUtil.apply(Mappings.TargetMapping mapping, List<RelCollation> collationList) Applies a mapping to a collation list.
static void	RexProgram.deduceCollations(List<RelCollation> outputCollations, int sourceCount, List<RexLocalRef> refs, List<RelCollation> inputCollations) Given a list of expressions and a description of which are ordered, computes a list of collations.
static void	RexProgram.deduceCollations(List<RelCollation> outputCollations, int sourceCount, List<RexLocalRef> refs, List<RelCollation> inputCollations) Given a list of expressions and a description of which are ordered, computes a list of collations.
List<RelCollation>	RexProgram.getCollations(List<RelCollation> inputCollations) Given a list of collations which hold for the input to this program, returns a list of collations which hold for its output.

Uses of RelCollation in org.apache.calcite.schema

Methods in org.apache.calcite.schema that return types with arguments of type RelCollation

Modifier and Type	Method and Description
List<RelCollation>	Statistic.getCollations() Returns the collections of columns on which this table is sorted.

Method parameters in org.apache.calcite.schema with type arguments of type RelCollation

Modifier and Type	Method and Description
static Statistic	Statistics.of(double rowCount, List<ImmutableBitSet> keys, List<RelCollation> collations) Returns a statistic with a given row count and set of unique keys.

Uses of RelCollation in org.apache.calcite.sql2rel

Methods in org.apache.calcite.sql2rel with parameters of type RelCollation

Modifier and Type	Method and Description
protected void	SqlToRelConverter.convertOrder(SqlSelect select, SqlToRelConverter.Blackboard bb, RelCollation collation, List<SqlNode> orderExprList, SqlNode offset, SqlNode fetch) Converts a query's ORDER BY clause, if any.