Uses of Class
org.apache.calcite.rel.metadata.RelMetadataQuery

Packages that use RelMetadataQuery

Package	Description
org.apache.calcite.adapter.elasticsearch	Base classes for a query provider based on an Elasticsearch DB.
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.plan.hep	Provides a heuristic planner implementation for the interfaces in org.apache.calcite.plan.
org.apache.calcite.plan.volcano	Optimizes relational expressions.
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.convert	Defines relational expressions and rules for converting between calling conventions.
org.apache.calcite.rel.core	Defines core relational expressions.
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.rel.rules	Provides a core set of planner rules.
org.apache.calcite.schema.impl	Utilities to help implement Calcite's SPIs.

Uses of RelMetadataQuery in org.apache.calcite.adapter.elasticsearch

Methods in org.apache.calcite.adapter.elasticsearch with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
RelOptCost	ElasticsearchFilter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	ElasticsearchSort.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	ElasticsearchProject.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	ElasticsearchToEnumerableConverter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	ElasticsearchTableScan.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)

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

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

Modifier and Type	Method and Description
RelOptCost	EnumerableSemiJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	EnumerableInterpreter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	EnumerableJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	EnumerableThetaJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	EnumerableMergeJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	EnumerableWindow.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)

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

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

Modifier and Type	Method and Description
RelOptCost	JdbcToEnumerableConverter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	JdbcRules.JdbcJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	JdbcRules.JdbcCalc.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	JdbcRules.JdbcProject.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	JdbcRules.JdbcUnion.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	JdbcRules.JdbcTableModify.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
double	JdbcRules.JdbcJoin.estimateRowCount(RelMetadataQuery mq)
double	JdbcRules.JdbcCalc.estimateRowCount(RelMetadataQuery mq)

Uses of RelMetadataQuery in org.apache.calcite.interpreter

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

Modifier and Type	Method and Description
RelOptCost	Bindables.BindableTableScan.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Bindables.BindableWindow.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)

Uses of RelMetadataQuery in org.apache.calcite.plan

Fields in org.apache.calcite.plan declared as RelMetadataQuery

Modifier and Type	Field and Description
private RelMetadataQuery	RelOptCluster.mq

Methods in org.apache.calcite.plan that return RelMetadataQuery

Modifier and Type	Method and Description
RelMetadataQuery	RelOptCluster.getMetadataQuery() Returns the current RelMetadataQuery.
RelMetadataQuery	RelOptRuleCall.getMetadataQuery() Returns the current RelMetadataQuery, to be used for instance by RelOptRule.onMatch(RelOptRuleCall).

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

Modifier and Type	Method and Description
RelOptCost	RelOptPlanner.getCost(RelNode rel, RelMetadataQuery mq) Computes the cost of a RelNode.
RelOptCost	AbstractRelOptPlanner.getCost(RelNode rel, RelMetadataQuery mq)

Uses of RelMetadataQuery in org.apache.calcite.plan.hep

Methods in org.apache.calcite.plan.hep with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
RelOptCost	HepRelVertex.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
double	HepRelVertex.estimateRowCount(RelMetadataQuery mq)

Uses of RelMetadataQuery in org.apache.calcite.plan.volcano

Methods in org.apache.calcite.plan.volcano with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
private double	RuleQueue.computeImportanceOfChild(RelMetadataQuery mq, RelSubset child, RelSubset parent) Returns the importance of a child to a parent.
RelOptCost	RelSubset.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	AbstractConverter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
double	RelSubset.estimateRowCount(RelMetadataQuery mq)
RelOptCost	VolcanoPlanner.getCost(RelNode rel, RelMetadataQuery mq)
(package private) void	RelSubset.propagateCostImprovements(VolcanoPlanner planner, RelMetadataQuery mq, RelNode rel, Set<RelSubset> activeSet) Checks whether a relexp has made its subset cheaper, and if it so, recursively checks whether that subset's parents have gotten cheaper.
(package private) void	RelSubset.propagateCostImprovements0(VolcanoPlanner planner, RelMetadataQuery mq, RelNode rel, Set<RelSubset> activeSet)

Uses of RelMetadataQuery in org.apache.calcite.rel

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

Modifier and Type	Method and Description
RelOptCost	AbstractRelNode.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	RelNode.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) Returns the cost of this plan (not including children).
double	AbstractRelNode.estimateRowCount(RelMetadataQuery mq)
double	RelNode.estimateRowCount(RelMetadataQuery mq) Returns an estimate of the number of rows this relational expression will return.
double	SingleRel.estimateRowCount(RelMetadataQuery mq)
<M extends Metadata> M	AbstractRelNode.metadata(Class<M> metadataClass, RelMetadataQuery mq)
<M extends Metadata> M	RelNode.metadata(Class<M> metadataClass, RelMetadataQuery mq) Returns a metadata interface.

Uses of RelMetadataQuery in org.apache.calcite.rel.convert

Methods in org.apache.calcite.rel.convert with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
RelOptCost	ConverterImpl.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)

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

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

Modifier and Type	Method and Description
RelOptCost	Exchange.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Filter.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	TableScan.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Project.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	SemiJoin.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	TableModify.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Correlate.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Aggregate.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Calc.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Window.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Values.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Sort.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
RelOptCost	Join.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)
double	Filter.estimateRowCount(RelMetadataQuery mq)
double	Intersect.estimateRowCount(RelMetadataQuery mq)
double	TableScan.estimateRowCount(RelMetadataQuery mq)
double	Minus.estimateRowCount(RelMetadataQuery mq)
double	SemiJoin.estimateRowCount(RelMetadataQuery mq)
double	Aggregate.estimateRowCount(RelMetadataQuery mq)
double	Calc.estimateRowCount(RelMetadataQuery mq)
double	TableFunctionScan.estimateRowCount(RelMetadataQuery mq)
double	Values.estimateRowCount(RelMetadataQuery mq)
double	Union.estimateRowCount(RelMetadataQuery mq)
double	Join.estimateRowCount(RelMetadataQuery mq)

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

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

Modifier and Type	Method and Description
RelOptCost	LogicalTableFunctionScan.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)

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

Fields in org.apache.calcite.rel.metadata declared as RelMetadataQuery

Modifier and Type	Field and Description
protected static RelMetadataQuery	RelMetadataQuery.EMPTY
private RelMetadataQuery	RelMdUtil.CardOfProjExpr.mq

Methods in org.apache.calcite.rel.metadata that return RelMetadataQuery

Modifier and Type	Method and Description
static RelMetadataQuery	RelMetadataQuery.instance() Returns an instance of RelMetadataQuery.

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

Modifier and Type	Method and Description
static boolean	RelMdUtil.areColumnsDefinitelyUnique(RelMetadataQuery mq, RelNode rel, ImmutableBitSet colMask) Returns true if the columns represented in a bit mask are definitely known to form a unique column set.
static boolean	RelMdUtil.areColumnsDefinitelyUnique(RelMetadataQuery mq, RelNode rel, List<RexInputRef> columnRefs)
static boolean	RelMdUtil.areColumnsDefinitelyUniqueWhenNullsFiltered(RelMetadataQuery mq, RelNode rel, ImmutableBitSet colMask) Returns true if the columns represented in a bit mask are definitely known to form a unique column set, when nulls have been filtered from the columns.
static boolean	RelMdUtil.areColumnsDefinitelyUniqueWhenNullsFiltered(RelMetadataQuery mq, RelNode rel, List<RexInputRef> columnRefs)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Aggregate rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Converter rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Correlate rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Exchange rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Filter rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(HepRelVertex rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Intersect rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Join rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Minus rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Project rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
static Boolean	RelMdUtil.areColumnsUnique(RelMetadataQuery mq, RelNode rel, List<RexInputRef> columnRefs)
Boolean	RelMdColumnUniqueness.areColumnsUnique(RelNode rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls) Catch-all implementation for BuiltInMetadata.ColumnUniqueness.areColumnsUnique(ImmutableBitSet, boolean), invoked using reflection, for any relational expression not handled by a more specific method.
Boolean	BuiltInMetadata.ColumnUniqueness.Handler.areColumnsUnique(RelNode r, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(RelSubset rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(SemiJoin rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(SetOp rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Sort rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(TableScan rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
Boolean	RelMdColumnUniqueness.areColumnsUnique(Values rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
static Boolean	RelMdUtil.areColumnsUniqueWhenNullsFiltered(RelMetadataQuery mq, RelNode rel, List<RexInputRef> columnRefs)
List<Double>	RelMdSize.averageColumnSizes(Aggregate rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Exchange rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Filter rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Intersect rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Join rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Minus rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Project rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Size.averageColumnSizes(), invoked using reflection.
List<Double>	BuiltInMetadata.Size.Handler.averageColumnSizes(RelNode r, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(SemiJoin rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Sort rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(TableScan rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Union rel, RelMetadataQuery mq)
List<Double>	RelMdSize.averageColumnSizes(Values rel, RelMetadataQuery mq)
private List<Double>	RelMdSize.averageJoinColumnSizes(Join rel, RelMetadataQuery mq, boolean semijoin)
Double	RelMdSize.averageRowSize(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Size.averageRowSize(), invoked using reflection.
Double	BuiltInMetadata.Size.Handler.averageRowSize(RelNode r, RelMetadataQuery mq)
M	UnboundMetadata.bind(RelNode rel, RelMetadataQuery mq)
static List<RelCollation>	RelMdCollation.calc(RelMetadataQuery mq, RelNode input, RexProgram program) Helper method to determine a Calc's collation.
static RelDistribution	RelMdDistribution.calc(RelMetadataQuery mq, RelNode input, RexProgram program) Helper method to determine a Calc's distribution.
static Double	RelMdUtil.cardOfProjExpr(RelMetadataQuery mq, Project rel, RexNode expr) Computes the cardinality of a particular expression from the projection list.
static boolean	RelMdUtil.checkInputForCollationAndLimit(RelMetadataQuery mq, RelNode input, RelCollation collation, RexNode offset, RexNode fetch) Returns whether a relational expression is already sorted and has fewer rows than the sum of offset and limit.
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Calc calc, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(EnumerableMergeJoin join, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Filter rel, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(HepRelVertex rel, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Project project, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Collation.collations(), invoked using reflection, for any relational expression not handled by a more specific method.
com.google.common.collect.ImmutableList<RelCollation>	BuiltInMetadata.Collation.Handler.collations(RelNode r, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(RelSubset rel, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(SortExchange sort, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Sort sort, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(TableScan scan, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Values values, RelMetadataQuery mq)
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Window rel, RelMetadataQuery mq)
static double	RelMdUtil.computeSemiJoinSelectivity(RelMetadataQuery mq, RelNode factRel, RelNode dimRel, List<Integer> factKeyList, List<Integer> dimKeyList) Computes the selectivity of a semijoin filter if it is applied on a fact table.
static double	RelMdUtil.computeSemiJoinSelectivity(RelMetadataQuery mq, RelNode factRel, RelNode dimRel, SemiJoin rel) Computes the selectivity of a semijoin filter if it is applied on a fact table.
static double	RelMdUtil.computeSemiJoinSelectivity(RelMetadataQuery mq, SemiJoin rel) Computes the selectivity of a semijoin filter if it is applied on a fact table.
Double	RelMdMemory.cumulativeMemoryWithinPhase(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhase(), invoked using reflection.
Double	BuiltInMetadata.Memory.Handler.cumulativeMemoryWithinPhase(RelNode r, RelMetadataQuery mq)
Double	RelMdMemory.cumulativeMemoryWithinPhaseSplit(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Memory.cumulativeMemoryWithinPhaseSplit(), invoked using reflection.
Double	BuiltInMetadata.Memory.Handler.cumulativeMemoryWithinPhaseSplit(RelNode r, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(BiRel rel, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(Exchange exchange, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(HepRelVertex rel, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(Project project, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(RelNode rel, RelMetadataQuery mq) Fallback method to deduce distribution for any relational expression not handled by a more specific method.
RelDistribution	BuiltInMetadata.Distribution.Handler.distribution(RelNode r, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(SetOp rel, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(SingleRel rel, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(TableScan scan, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(Values values, RelMetadataQuery mq)
static double	RelMdUtil.estimateFilteredRows(RelNode child, RexNode condition, RelMetadataQuery mq)
static double	RelMdUtil.estimateFilteredRows(RelNode child, RexProgram program, RelMetadataQuery mq)
static List<RelCollation>	RelMdCollation.filter(RelMetadataQuery mq, RelNode input) Helper method to determine a Filter's collation.
static RelDistribution	RelMdDistribution.filter(RelMetadataQuery mq, RelNode input) Helper method to determine a Filter's distribution.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Aggregate agg, RelMetadataQuery mq) Extract predicates for an Aggregate.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Exchange exchange, RelMetadataQuery mq) Extract predicates for an Exchange.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Filter filter, RelMetadataQuery mq) Add the Filter condition to the list obtained from the input.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(HepRelVertex rel, RelMetadataQuery mq)
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Join join, RelMetadataQuery mq) Add the Join condition to the list obtained from the input.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Project project, RelMetadataQuery mq) Extract predicates for a project.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.AllPredicates.getAllPredicates(), invoked using reflection.
RelOptPredicateList	BuiltInMetadata.AllPredicates.Handler.getAllPredicates(RelNode r, RelMetadataQuery mq)
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(RelSubset rel, RelMetadataQuery mq)
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Sort sort, RelMetadataQuery mq) Extract predicates for a Sort.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(TableScan table, RelMetadataQuery mq) Extract predicates for a table scan.
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Union union, RelMetadataQuery mq) Extract predicates for a Union.
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Aggregate rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Exchange rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Filter rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Join rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Project rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(RelNode rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	BuiltInMetadata.ColumnOrigin.Handler.getColumnOrigins(RelNode r, RelMetadataQuery mq, int outputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(SetOp rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Sort rel, RelMetadataQuery mq, int iOutputColumn)
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(TableFunctionScan rel, RelMetadataQuery mq, int iOutputColumn)
RelOptCost	RelMdPercentageOriginalRows.getCumulativeCost(EnumerableInterpreter rel, RelMetadataQuery mq)
RelOptCost	RelMdPercentageOriginalRows.getCumulativeCost(RelNode rel, RelMetadataQuery mq)
RelOptCost	BuiltInMetadata.CumulativeCost.Handler.getCumulativeCost(RelNode r, RelMetadataQuery mq)
Double	RelMdDistinctRowCount.getDistinctRowCount(Aggregate rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Exchange rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Filter rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Join rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Project rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(RelNode rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate) Catch-all implementation for BuiltInMetadata.DistinctRowCount.getDistinctRowCount(ImmutableBitSet, RexNode), invoked using reflection.
Double	BuiltInMetadata.DistinctRowCount.Handler.getDistinctRowCount(RelNode r, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(RelSubset rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(SemiJoin rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Sort rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Union rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Double	RelMdDistinctRowCount.getDistinctRowCount(Values rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Aggregate rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Aggregate.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Exchange rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Exchange.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Filter rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Filter.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(HepRelVertex rel, RelMetadataQuery mq, RexNode outputExpression)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Join rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Join.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Project rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Project.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(RelNode rel, RelMetadataQuery mq, RexNode outputExpression)
Set<RexNode>	BuiltInMetadata.ExpressionLineage.Handler.getExpressionLineage(RelNode r, RelMetadataQuery mq, RexNode expression)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(RelSubset rel, RelMetadataQuery mq, RexNode outputExpression)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Sort rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Sort.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(TableScan rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from TableScan.
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Union rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Union.
static Double	RelMdUtil.getJoinDistinctRowCount(RelMetadataQuery mq, RelNode joinRel, JoinRelType joinType, ImmutableBitSet groupKey, RexNode predicate, boolean useMaxNdv) Computes the number of distinct rows for a set of keys returned from a join.
static Double	RelMdUtil.getJoinPopulationSize(RelMetadataQuery mq, RelNode joinRel, ImmutableBitSet groupKey) Computes the population size for a set of keys returned from a join
static Double	RelMdUtil.getJoinRowCount(RelMetadataQuery mq, Join join, RexNode condition) Returns an estimate of the number of rows returned by a Join.
Double	RelMdMaxRowCount.getMaxRowCount(Aggregate rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(EnumerableLimit rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Filter rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Intersect rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Join rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Minus rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Project rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(RelNode rel, RelMetadataQuery mq)
Double	BuiltInMetadata.MaxRowCount.Handler.getMaxRowCount(RelNode r, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(RelSubset rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Sort rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(TableScan rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Union rel, RelMetadataQuery mq)
Double	RelMdMaxRowCount.getMaxRowCount(Values values, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Aggregate rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(EnumerableLimit rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Filter rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Intersect rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Join rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Minus rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Project rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(RelNode rel, RelMetadataQuery mq)
Double	BuiltInMetadata.MinRowCount.Handler.getMinRowCount(RelNode r, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(RelSubset rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Sort rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(TableScan rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Union rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Values values, RelMetadataQuery mq)
static double	RelMdUtil.getMinusRowCount(RelMetadataQuery mq, Minus minus) Returns an estimate of the number of rows returned by a Minus.
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Aggregate rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Calc rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Filter rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(HepRelVertex rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Intersect rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Join rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Minus rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Project rel, RelMetadataQuery mq)
private static com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(RelNode rel, Class<? extends RelNode> c, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.NodeTypes.getNodeTypes(), invoked using reflection.
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	BuiltInMetadata.NodeTypes.Handler.getNodeTypes(RelNode r, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(RelSubset rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(SemiJoin rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Sort rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(TableScan rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Union rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Values rel, RelMetadataQuery mq)
RelOptCost	RelMdPercentageOriginalRows.getNonCumulativeCost(RelNode rel, RelMetadataQuery mq)
RelOptCost	BuiltInMetadata.NonCumulativeCost.Handler.getNonCumulativeCost(RelNode r, RelMetadataQuery mq)
Double	RelMdPercentageOriginalRows.getPercentageOriginalRows(Aggregate rel, RelMetadataQuery mq)
Double	RelMdPercentageOriginalRows.getPercentageOriginalRows(Join rel, RelMetadataQuery mq)
Double	RelMdPercentageOriginalRows.getPercentageOriginalRows(RelNode rel, RelMetadataQuery mq)
Double	BuiltInMetadata.PercentageOriginalRows.Handler.getPercentageOriginalRows(RelNode r, RelMetadataQuery mq)
Double	RelMdPercentageOriginalRows.getPercentageOriginalRows(Union rel, RelMetadataQuery mq)
Double	RelMdPopulationSize.getPopulationSize(Aggregate rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Exchange rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Filter rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Join rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Project rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(RelNode rel, RelMetadataQuery mq, ImmutableBitSet groupKey) Catch-all implementation for BuiltInMetadata.PopulationSize.getPopulationSize(ImmutableBitSet), invoked using reflection.
Double	BuiltInMetadata.PopulationSize.Handler.getPopulationSize(RelNode r, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(SemiJoin rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Sort rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Union rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
Double	RelMdPopulationSize.getPopulationSize(Values rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
RelOptPredicateList	RelMdPredicates.getPredicates(Aggregate agg, RelMetadataQuery mq) Infers predicates for an Aggregate.
RelOptPredicateList	RelMdPredicates.getPredicates(Exchange exchange, RelMetadataQuery mq) Infers predicates for an Exchange.
RelOptPredicateList	RelMdPredicates.getPredicates(Filter filter, RelMetadataQuery mq) Add the Filter condition to the pulledPredicates list from the input.
RelOptPredicateList	RelMdPredicates.getPredicates(HepRelVertex rel, RelMetadataQuery mq)
RelOptPredicateList	RelMdPredicates.getPredicates(Join join, RelMetadataQuery mq) Infers predicates for a Join.
RelOptPredicateList	RelMdPredicates.getPredicates(Project project, RelMetadataQuery mq) Infers predicates for a project.
RelOptPredicateList	RelMdPredicates.getPredicates(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Predicates.getPredicates(), invoked using reflection.
RelOptPredicateList	BuiltInMetadata.Predicates.Handler.getPredicates(RelNode r, RelMetadataQuery mq)
RelOptPredicateList	RelMdPredicates.getPredicates(RelSubset r, RelMetadataQuery mq)
RelOptPredicateList	RelMdPredicates.getPredicates(SemiJoin semiJoin, RelMetadataQuery mq) Infers predicates for a SemiJoin.
RelOptPredicateList	RelMdPredicates.getPredicates(Sort sort, RelMetadataQuery mq) Infers predicates for a Sort.
RelOptPredicateList	RelMdPredicates.getPredicates(TableScan table, RelMetadataQuery mq) Infers predicates for a table scan.
RelOptPredicateList	RelMdPredicates.getPredicates(Union union, RelMetadataQuery mq) Infers predicates for a Union.
Double	RelMdRowCount.getRowCount(Aggregate rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Calc rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(EnumerableLimit rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Filter rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Intersect rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Join rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Minus rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Project rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.RowCount.getRowCount(), invoked using reflection.
Double	BuiltInMetadata.RowCount.Handler.getRowCount(RelNode r, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(RelSubset subset, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(SemiJoin rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(SingleRel rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Sort rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(TableScan rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Union rel, RelMetadataQuery mq)
Double	RelMdRowCount.getRowCount(Values rel, RelMetadataQuery mq)
Double	RelMdSelectivity.getSelectivity(Aggregate rel, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(Filter rel, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(Project rel, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(RelNode rel, RelMetadataQuery mq, RexNode predicate)
Double	BuiltInMetadata.Selectivity.Handler.getSelectivity(RelNode r, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(SemiJoin rel, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(Sort rel, RelMetadataQuery mq, RexNode predicate)
Double	RelMdSelectivity.getSelectivity(Union rel, RelMetadataQuery mq, RexNode predicate)
static Double	RelMdUtil.getSemiJoinRowCount(RelMetadataQuery mq, RelNode left, RelNode right, JoinRelType joinType, RexNode condition) Returns an estimate of the number of rows returned by a SemiJoin.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Aggregate rel, RelMetadataQuery mq) Table references from Aggregate.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Exchange rel, RelMetadataQuery mq) Table references from Exchange.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Filter rel, RelMetadataQuery mq) Table references from Filter.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(HepRelVertex rel, RelMetadataQuery mq)
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Join rel, RelMetadataQuery mq) Table references from Join.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Project rel, RelMetadataQuery mq) Table references from Project.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(RelNode rel, RelMetadataQuery mq)
Set<RexTableInputRef.RelTableRef>	BuiltInMetadata.TableReferences.Handler.getTableReferences(RelNode r, RelMetadataQuery mq)
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(RelSubset rel, RelMetadataQuery mq)
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Sort rel, RelMetadataQuery mq) Table references from Sort.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(TableScan rel, RelMetadataQuery mq) TableScan table reference.
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Union rel, RelMetadataQuery mq) Table references from Union.
static double	RelMdUtil.getUnionAllRowCount(RelMetadataQuery mq, Union rel) Returns an estimate of the number of rows returned by a Union (before duplicates are eliminated).
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Aggregate rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Correlate rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Filter rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Join rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Project rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(RelNode rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	BuiltInMetadata.UniqueKeys.Handler.getUniqueKeys(RelNode r, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(SemiJoin rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(SetOp rel, RelMetadataQuery mq, boolean ignoreNulls)
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Sort rel, RelMetadataQuery mq, boolean ignoreNulls)
Boolean	RelMdParallelism.isPhaseTransition(Exchange rel, RelMetadataQuery mq)
Boolean	RelMdParallelism.isPhaseTransition(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Parallelism.isPhaseTransition(), invoked using reflection.
Boolean	BuiltInMetadata.Parallelism.Handler.isPhaseTransition(RelNode r, RelMetadataQuery mq)
Boolean	RelMdParallelism.isPhaseTransition(TableScan rel, RelMetadataQuery mq)
Boolean	RelMdParallelism.isPhaseTransition(Values rel, RelMetadataQuery mq)
Boolean	RelMdExplainVisibility.isVisibleInExplain(RelNode rel, RelMetadataQuery mq, SqlExplainLevel explainLevel) Catch-all implementation for BuiltInMetadata.ExplainVisibility.isVisibleInExplain(SqlExplainLevel), invoked using reflection.
Boolean	BuiltInMetadata.ExplainVisibility.Handler.isVisibleInExplain(RelNode r, RelMetadataQuery mq, SqlExplainLevel explainLevel)
static List<RelCollation>	RelMdCollation.limit(RelMetadataQuery mq, RelNode input) Helper method to determine a limit's collation.
static RelDistribution	RelMdDistribution.limit(RelMetadataQuery mq, RelNode input) Helper method to determine a limit's distribution.
static RexNode	RelMdUtil.makeSemiJoinSelectivityRexNode(RelMetadataQuery mq, SemiJoin rel) Creates a RexNode that stores a selectivity value corresponding to the selectivity of a semijoin.
Double	RelMdMemory.memory(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Memory.memory(), invoked using reflection.
Double	BuiltInMetadata.Memory.Handler.memory(RelNode r, RelMetadataQuery mq)
static List<RelCollation>	RelMdCollation.mergeJoin(RelMetadataQuery mq, 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(RelMetadataQuery mq, RelNode input, List<? extends RexNode> projects) Helper method to determine a Project's collation.
static RelDistribution	RelMdDistribution.project(RelMetadataQuery mq, RelNode input, List<? extends RexNode> projects) Helper method to determine a Project's collation.
<M extends Metadata> M	MetadataFactoryImpl.query(RelNode rel, RelMetadataQuery mq, Class<M> metadataClazz)
<M extends Metadata> M	MetadataFactory.query(RelNode rel, RelMetadataQuery mq, Class<M> metadataClazz) Returns a metadata interface to get a particular kind of metadata from a particular relational expression.
static RelDistribution	RelMdDistribution.sort(RelMetadataQuery mq, RelNode input) Helper method to determine a Sort's distribution.
Integer	RelMdParallelism.splitCount(RelNode rel, RelMetadataQuery mq) Catch-all implementation for BuiltInMetadata.Parallelism.splitCount(), invoked using reflection.
Integer	BuiltInMetadata.Parallelism.Handler.splitCount(RelNode r, RelMetadataQuery mq)
static List<RelCollation>	RelMdCollation.values(RelMetadataQuery mq, 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(RelMetadataQuery mq, RelNode input, com.google.common.collect.ImmutableList<Window.Group> groups) Helper method to determine a Window's collation.

Constructors in org.apache.calcite.rel.metadata with parameters of type RelMetadataQuery

Constructor and Description
CardOfProjExpr(RelMetadataQuery mq, Project rel)
RelMetadataQuery(JaninoRelMetadataProvider metadataProvider, RelMetadataQuery prototype)

Uses of RelMetadataQuery in org.apache.calcite.rel.rules

Fields in org.apache.calcite.rel.rules declared as RelMetadataQuery

Modifier and Type	Field and Description
private RelMetadataQuery	LoptSemiJoinOptimizer.mq

Methods in org.apache.calcite.rel.rules with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
private LoptJoinTree	LoptOptimizeJoinRule.addFactorToTree(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree joinTree, int factorToAdd, BitSet factorsNeeded, List<RexNode> filtersToAdd, boolean selfJoin) Adds a new factor into the current join tree.
private LoptJoinTree	LoptOptimizeJoinRule.addToTop(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree joinTree, int factorToAdd, List<RexNode> filtersToAdd, boolean selfJoin) Creates a join tree with the new factor added to the top of the tree
private static boolean	LoptOptimizeJoinRule.areSelfJoinKeysUnique(RelMetadataQuery mq, RelNode leftRel, RelNode rightRel, RexNode joinFilters) Determines if the equality portion of a self-join condition is between identical keys that are unique.
protected abstract AbstractMaterializedViewRule.ViewPartialRewriting	AbstractMaterializedViewRule.compensateViewPartial(RelBuilder relBuilder, RexBuilder rexBuilder, RelMetadataQuery mq, RelNode input, Project topProject, RelNode node, Set<RexTableInputRef.RelTableRef> queryTableRefs, AbstractMaterializedViewRule.EquivalenceClasses queryEC, Project topViewProject, RelNode viewNode, Set<RexTableInputRef.RelTableRef> viewTableRefs) It checks whether the query can be rewritten using the view even though the query uses additional tables.
protected AbstractMaterializedViewRule.ViewPartialRewriting	AbstractMaterializedViewRule.MaterializedViewJoinRule.compensateViewPartial(RelBuilder relBuilder, RexBuilder rexBuilder, RelMetadataQuery mq, RelNode input, Project topProject, RelNode node, Set<RexTableInputRef.RelTableRef> queryTableRefs, AbstractMaterializedViewRule.EquivalenceClasses queryEC, Project topViewProject, RelNode viewNode, Set<RexTableInputRef.RelTableRef> viewTableRefs)
protected AbstractMaterializedViewRule.ViewPartialRewriting	AbstractMaterializedViewRule.MaterializedViewAggregateRule.compensateViewPartial(RelBuilder relBuilder, RexBuilder rexBuilder, RelMetadataQuery mq, RelNode input, Project topProject, RelNode node, Set<RexTableInputRef.RelTableRef> queryTableRefs, AbstractMaterializedViewRule.EquivalenceClasses queryEC, Project topViewProject, RelNode viewNode, Set<RexTableInputRef.RelTableRef> viewTableRefs)
private Double	LoptOptimizeJoinRule.computeJoinCardinality(RelMetadataQuery mq, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree joinTree, List<RexNode> filters, int factor) Computes the cardinality of the join columns from a particular factor, when that factor is joined with another join tree.
private LoptJoinTree	LoptOptimizeJoinRule.createJoinSubtree(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptJoinTree left, LoptJoinTree right, RexNode condition, JoinRelType joinType, List<RexNode> filtersToAdd, boolean fullAdjust, boolean selfJoin) Creates a LogicalJoin given left and right operands and a join condition.
private LoptJoinTree	LoptOptimizeJoinRule.createOrdering(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, int firstFactor) Generates a join tree with a specific factor as the first factor in the join tree
private void	LoptOptimizeJoinRule.findBestOrderings(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, RelOptRuleCall call) Generates N optimal join orderings.
private void	LoptOptimizeJoinRule.findRemovableOuterJoins(RelMetadataQuery mq, LoptMultiJoin multiJoin) Locates all null generating factors whose outer join can be removed.
private void	LoptOptimizeJoinRule.findRemovableSelfJoins(RelMetadataQuery mq, LoptMultiJoin multiJoin) Locates pairs of joins that are self-joins where the join can be removed because the join condition between the two factors is an equality join on unique keys.
protected com.google.common.collect.Multimap<Integer,Integer>	AbstractMaterializedViewRule.MaterializedViewAggregateRule.generateMapping(RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, RelNode node, RelNode target, ImmutableBitSet positions, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> tableMapping, AbstractMaterializedViewRule.EquivalenceClasses sourceEC, List<RexNode> additionalExprs) Mapping from node expressions to target expressions.
private static AbstractMaterializedViewRule.NodeLineage	AbstractMaterializedViewRule.generateSwapColumnTableReferencesLineage(RexBuilder rexBuilder, RelMetadataQuery mq, RelNode node, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> tableMapping, AbstractMaterializedViewRule.EquivalenceClasses ec, List<RexNode> nodeExprs) It swaps the column references and then the table references of the input expressions using the equivalence classes and the table mapping.
private static AbstractMaterializedViewRule.NodeLineage	AbstractMaterializedViewRule.generateSwapTableColumnReferencesLineage(RexBuilder rexBuilder, RelMetadataQuery mq, RelNode node, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> tableMapping, AbstractMaterializedViewRule.EquivalenceClasses ec, List<RexNode> nodeExprs) It swaps the table references and then the column references of the input expressions using the table mapping and the equivalence classes.
private int	LoptOptimizeJoinRule.getBestNextFactor(RelMetadataQuery mq, LoptMultiJoin multiJoin, BitSet factorsToAdd, BitSet factorsAdded, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree joinTree, List<RexNode> filtersToAdd) Determines the best factor to be added next into a join tree.
private Map<Integer,RelOptTable>	LoptOptimizeJoinRule.getSimpleFactors(RelMetadataQuery mq, LoptMultiJoin multiJoin) Retrieves join factors that correspond to simple table references.
private boolean	LoptOptimizeJoinRule.isSelfJoinFilterUnique(RelMetadataQuery mq, LoptMultiJoin multiJoin, int leftFactor, int rightFactor, List<RexNode> joinFilterList) Determines if the equality join filters between two factors that map to the same table consist of unique, identical keys.
protected abstract boolean	AbstractMaterializedViewRule.isValidPlan(Project topProject, RelNode node, RelMetadataQuery mq)
protected boolean	AbstractMaterializedViewRule.MaterializedViewJoinRule.isValidPlan(Project topProject, RelNode node, RelMetadataQuery mq)
protected boolean	AbstractMaterializedViewRule.MaterializedViewAggregateRule.isValidPlan(Project topProject, RelNode node, RelMetadataQuery mq)
private static boolean	AbstractMaterializedViewRule.isValidRelNodePlan(RelNode node, RelMetadataQuery mq) Currently we only support TableScan - Project - Filter - Join
private LoptJoinTree	LoptOptimizeJoinRule.pushDownFactor(RelMetadataQuery mq, RelBuilder relBuilder, LoptMultiJoin multiJoin, LoptSemiJoinOptimizer semiJoinOpt, LoptJoinTree joinTree, int factorToAdd, BitSet factorsNeeded, List<RexNode> filtersToAdd, boolean selfJoin) Creates a join tree where the new factor is pushed down one of the operands of the current join tree
private static RexNode	AbstractMaterializedViewRule.rewriteExpression(RexBuilder rexBuilder, RelMetadataQuery mq, RelNode targetNode, RelNode node, List<RexNode> nodeExprs, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> tableMapping, AbstractMaterializedViewRule.EquivalenceClasses ec, boolean swapTableColumn, RexNode exprToRewrite) First, the method takes the node expressions nodeExprs and swaps the table and column references using the table mapping and the equivalence classes.
private static List<RexNode>	AbstractMaterializedViewRule.rewriteExpressions(RexBuilder rexBuilder, RelMetadataQuery mq, RelNode targetNode, RelNode node, List<RexNode> nodeExprs, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> tableMapping, AbstractMaterializedViewRule.EquivalenceClasses ec, boolean swapTableColumn, List<RexNode> exprsToRewrite) First, the method takes the node expressions nodeExprs and swaps the table and column references using the table mapping and the equivalence classes.
protected abstract RelNode	AbstractMaterializedViewRule.rewriteQuery(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, RexNode compensationColumnsEquiPred, RexNode otherCompensationPred, Project topProject, RelNode node, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> viewToQueryTableMapping, AbstractMaterializedViewRule.EquivalenceClasses viewEC, AbstractMaterializedViewRule.EquivalenceClasses queryEC) If the view will be used in a union rewriting, this method is responsible for rewriting the query branch of the union using the given compensation predicate.
protected RelNode	AbstractMaterializedViewRule.MaterializedViewJoinRule.rewriteQuery(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, RexNode compensationColumnsEquiPred, RexNode otherCompensationPred, Project topProject, RelNode node, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> viewToQueryTableMapping, AbstractMaterializedViewRule.EquivalenceClasses viewEC, AbstractMaterializedViewRule.EquivalenceClasses queryEC)
protected RelNode	AbstractMaterializedViewRule.MaterializedViewAggregateRule.rewriteQuery(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, RexNode compensationColumnsEquiPred, RexNode otherCompensationPred, Project topProject, RelNode node, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> queryToViewTableMapping, AbstractMaterializedViewRule.EquivalenceClasses viewEC, AbstractMaterializedViewRule.EquivalenceClasses queryEC)
protected abstract RelNode	AbstractMaterializedViewRule.rewriteView(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, AbstractMaterializedViewRule.MatchModality matchModality, boolean unionRewriting, RelNode input, Project topProject, RelNode node, Project topViewProject, RelNode viewNode, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> queryToViewTableMapping, AbstractMaterializedViewRule.EquivalenceClasses queryEC) This method is responsible for rewriting the query using the given view query.
protected RelNode	AbstractMaterializedViewRule.MaterializedViewJoinRule.rewriteView(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, AbstractMaterializedViewRule.MatchModality matchModality, boolean unionRewriting, RelNode input, Project topProject, RelNode node, Project topViewProject, RelNode viewNode, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> queryToViewTableMapping, AbstractMaterializedViewRule.EquivalenceClasses queryEC)
protected RelNode	AbstractMaterializedViewRule.MaterializedViewAggregateRule.rewriteView(RelBuilder relBuilder, RexBuilder rexBuilder, RexSimplify simplify, RelMetadataQuery mq, AbstractMaterializedViewRule.MatchModality matchModality, boolean unionRewriting, RelNode input, Project topProject, RelNode node, Project topViewProject, RelNode viewNode, com.google.common.collect.BiMap<RexTableInputRef.RelTableRef,RexTableInputRef.RelTableRef> queryToViewTableMapping, AbstractMaterializedViewRule.EquivalenceClasses queryEC)
private boolean	LoptOptimizeJoinRule.swapInputs(RelMetadataQuery mq, LoptMultiJoin multiJoin, LoptJoinTree left, LoptJoinTree right, boolean selfJoin) Swaps the operands to a join, so the smaller input is on the right.

Constructors in org.apache.calcite.rel.rules with parameters of type RelMetadataQuery

Constructor and Description
LoptSemiJoinOptimizer(RelMetadataQuery mq, LoptMultiJoin multiJoin, RexBuilder rexBuilder)

Uses of RelMetadataQuery in org.apache.calcite.schema.impl

Methods in org.apache.calcite.schema.impl with parameters of type RelMetadataQuery

Modifier and Type	Method and Description
RelOptCost	StarTable.StarTableScan.computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq)