Uses of Class
org.apache.calcite.rel.core.Project

Packages that use Project

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.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.rel2sql	Translates a relational expression to SQL parse tree.
org.apache.calcite.rel.rules	Provides a core set of planner rules.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.

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

Subclasses of Project in org.apache.calcite.adapter.elasticsearch

Modifier and Type	Class and Description
class	ElasticsearchProject Implementation of Project relational expression in Elasticsearch.

Methods in org.apache.calcite.adapter.elasticsearch that return Project

Modifier and Type	Method and Description
Project	ElasticsearchProject.copy(RelTraitSet relTraitSet, RelNode input, List<RexNode> projects, RelDataType relDataType)

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

Subclasses of Project in org.apache.calcite.adapter.enumerable

Modifier and Type	Class and Description
class	EnumerableProject Implementation of Project in enumerable calling convention.

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

Subclasses of Project in org.apache.calcite.adapter.jdbc

Modifier and Type	Class and Description
static class	JdbcRules.JdbcProject Implementation of Project in jdbc calling convention.

Uses of Project in org.apache.calcite.interpreter

Subclasses of Project in org.apache.calcite.interpreter

Modifier and Type	Class and Description
static class	Bindables.BindableProject Implementation of Project in bindable calling convention.

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

Modifier and Type	Method and Description
void	Nodes.CoreCompiler.visit(Project project)

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

Constructor and Description
ProjectNode(Compiler compiler, Project rel)

Uses of Project in org.apache.calcite.plan

Fields in org.apache.calcite.plan with type parameters of type Project

Modifier and Type	Field and Description
static com.google.common.base.Predicate<Project>	RelOptUtil.PROJECT_PREDICATE Predicate for whether a project contains multisets or windowed aggregates.

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

Modifier and Type	Method and Description
static boolean	RelOptUtil.checkProjAndChildInputs(Project project, boolean checkNames) Deprecated.
static RexNode	RelOptUtil.pushFilterPastProject(RexNode filter, Project projRel) Deprecated.
static List<RexNode>	RelOptUtil.pushPastProject(List<? extends RexNode> nodes, Project project) Converts a list of expressions that are based on the output fields of a Project to equivalent expressions on the Project's input fields.
static RexNode	RelOptUtil.pushPastProject(RexNode node, Project project) Converts an expression that is based on the output fields of a Project to an equivalent expression on the Project's input fields.
private static RexShuttle	RelOptUtil.pushShuttle(Project project)

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

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

Modifier and Type	Method and Description
abstract Project	Project.copy(RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType) Copies a project.
Project	Project.copy(RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType, int flags) Deprecated.

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

Subclasses of Project in org.apache.calcite.rel.logical

Modifier and Type	Class and Description
class	LogicalProject Sub-class of Project not targeted at any particular engine or calling convention.

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

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

Modifier and Type	Field and Description
private Project	RelMdUtil.CardOfProjExpr.rel

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

Modifier and Type	Method and Description
Boolean	RelMdColumnUniqueness.areColumnsUnique(Project rel, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
List<Double>	RelMdSize.averageColumnSizes(Project rel, RelMetadataQuery mq)
static Double	RelMdUtil.cardOfProjExpr(RelMetadataQuery mq, Project rel, RexNode expr) Computes the cardinality of a particular expression from the projection list.
com.google.common.collect.ImmutableList<RelCollation>	RelMdCollation.collations(Project project, RelMetadataQuery mq)
RelDistribution	RelMdDistribution.distribution(Project project, RelMetadataQuery mq)
RelOptPredicateList	RelMdAllPredicates.getAllPredicates(Project project, RelMetadataQuery mq) Extract predicates for a project.
Set<RelColumnOrigin>	RelMdColumnOrigins.getColumnOrigins(Project rel, RelMetadataQuery mq, int iOutputColumn)
Double	RelMdDistinctRowCount.getDistinctRowCount(Project rel, RelMetadataQuery mq, ImmutableBitSet groupKey, RexNode predicate)
Set<RexNode>	RelMdExpressionLineage.getExpressionLineage(Project rel, RelMetadataQuery mq, RexNode outputExpression) Expression lineage from Project.
Double	RelMdMaxRowCount.getMaxRowCount(Project rel, RelMetadataQuery mq)
Double	RelMdMinRowCount.getMinRowCount(Project rel, RelMetadataQuery mq)
com.google.common.collect.Multimap<Class<? extends RelNode>,RelNode>	RelMdNodeTypes.getNodeTypes(Project rel, RelMetadataQuery mq)
Double	RelMdPopulationSize.getPopulationSize(Project rel, RelMetadataQuery mq, ImmutableBitSet groupKey)
RelOptPredicateList	RelMdPredicates.getPredicates(Project project, RelMetadataQuery mq) Infers predicates for a project.
Double	RelMdRowCount.getRowCount(Project rel, RelMetadataQuery mq)
Double	RelMdSelectivity.getSelectivity(Project rel, RelMetadataQuery mq, RexNode predicate)
Set<RexTableInputRef.RelTableRef>	RelMdTableReferences.getTableReferences(Project rel, RelMetadataQuery mq) Table references from Project.
Set<ImmutableBitSet>	RelMdUniqueKeys.getUniqueKeys(Project rel, RelMetadataQuery mq, boolean ignoreNulls)

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

Constructor and Description
CardOfProjExpr(RelMetadataQuery mq, Project rel)

Uses of Project in org.apache.calcite.rel.rel2sql

Methods in org.apache.calcite.rel.rel2sql with parameters of type Project

Modifier and Type	Method and Description
SqlImplementor.Result	RelToSqlConverter.visit(Project e)

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

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

Modifier and Type	Field and Description
private Project	AbstractMaterializedViewRule.ViewPartialRewriting.newTopViewProject
private Project	PushProjector.origProj

Fields in org.apache.calcite.rel.rules with type parameters of type Project

Modifier and Type	Field and Description
private static com.google.common.base.Predicate<Project>	ProjectRemoveRule.PREDICATE
private static com.google.common.base.Predicate<Project>	ProjectToWindowRule.PREDICATE2

Methods in org.apache.calcite.rel.rules that return Project

Modifier and Type	Method and Description
Project	PushProjector.createProjectRefsAndExprs(RelNode projChild, boolean adjust, boolean rightSide) Creates a projection based on the inputs specified in a bitmap and the expressions that need to be preserved.
protected Project	JoinProjectTransposeRule.getRightChild(RelOptRuleCall call)

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

Modifier and Type	Method and Description
static RelNode	AggregateProjectMergeRule.apply(RelOptRuleCall call, Aggregate aggregate, Project project)
protected void	AggregateStarTableRule.apply(RelOptRuleCall call, Project postProject, Aggregate aggregate, StarTable.StarTableScan scan)
protected void	ProjectTableScanRule.apply(RelOptRuleCall call, Project project, TableScan scan)
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)
protected void	JoinProjectTransposeRule.createProjectExprs(Project projRel, RelNode joinChild, int adjustmentAmount, RexBuilder rexBuilder, List<RelDataTypeField> joinChildrenFields, List<Pair<RexNode,String>> projects) Creates projection expressions corresponding to one of the inputs into the join
protected RelNode	JoinProjectTransposeRule.getProjectChild(RelOptRuleCall call, Project project, boolean leftChild) Returns the child of the project that will be used as input into the new LogicalJoin once the projects are pulled above the LogicalJoin.
static boolean	ProjectRemoveRule.isTrivial(Project project)
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)
protected static AbstractMaterializedViewRule.ViewPartialRewriting	AbstractMaterializedViewRule.ViewPartialRewriting.of(RelNode newView, Project newTopViewProject, RelNode newViewNode)
protected void	SemiJoinRule.perform(RelOptRuleCall call, Project project, Join join, RelNode left, Aggregate aggregate)
protected void	AbstractMaterializedViewRule.perform(RelOptRuleCall call, Project topProject, RelNode node) Rewriting logic is based on "Optimizing Queries Using Materialized Views: A Practical, Scalable Solution" by Goldstein and Larson.
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)
static RelNode	ProjectRemoveRule.strip(Project project) Returns the child of a project if the project is trivial, otherwise the project itself.

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

Constructor and Description
PushProjector(Project origProj, RexNode origFilter, RelNode childRel, PushProjector.ExprCondition preserveExprCondition, RelBuilder relBuilder) Creates a PushProjector object for pushing projects past a RelNode.
ViewPartialRewriting(RelNode newView, Project newTopViewProject, RelNode newViewNode)

Constructor parameters in org.apache.calcite.rel.rules with type arguments of type Project

Constructor and Description
AggregateProjectMergeRule(Class<? extends Aggregate> aggregateClass, Class<? extends Project> projectClass, RelBuilderFactory relBuilderFactory)
FilterProjectTransposeRule(Class<? extends Filter> filterClass, Class<? extends Project> projectClass, boolean copyFilter, boolean copyProject, RelBuilderFactory relBuilderFactory) Creates a FilterProjectTransposeRule.
FilterProjectTransposeRule(Class<? extends Filter> filterClass, RelFactories.FilterFactory filterFactory, Class<? extends Project> projectClass, RelFactories.ProjectFactory projectFactory) Deprecated.
ProjectFilterTransposeRule(Class<? extends Project> projectClass, Class<? extends Filter> filterClass, RelBuilderFactory relBuilderFactory, PushProjector.ExprCondition preserveExprCondition) Creates a ProjectFilterTransposeRule.
ProjectReduceExpressionsRule(Class<? extends Project> projectClass, boolean matchNullability, RelBuilderFactory relBuilderFactory)
ProjectReduceExpressionsRule(Class<? extends Project> projectClass, RelBuilderFactory relBuilderFactory) Deprecated.
ProjectSortTransposeRule(Class<Project> projectClass, Class<Sort> sortClass, RelBuilderFactory relBuilderFactory) Creates a ProjectSortTransposeRule.
ProjectToSemiJoinRule(Class<Project> projectClass, Class<Join> joinClass, Class<Aggregate> aggregateClass, RelBuilderFactory relBuilderFactory, String description) Creates a ProjectToSemiJoinRule.
SemiJoinRule(Class<Project> projectClass, Class<Join> joinClass, Class<Aggregate> aggregateClass, RelBuilderFactory relBuilderFactory, String description)
SortProjectTransposeRule(Class<? extends Sort> sortClass, Class<? extends Project> projectClass) Deprecated.
SortProjectTransposeRule(Class<? extends Sort> sortClass, Class<? extends Project> projectClass, RelBuilderFactory relBuilderFactory, String description) Creates a SortProjectTransposeRule.
SortProjectTransposeRule(Class<? extends Sort> sortClass, Class<? extends Project> projectClass, String description) Deprecated.

Uses of Project in org.apache.calcite.rex

Fields in org.apache.calcite.rex with type parameters of type Project

Modifier and Type	Field and Description
static com.google.common.base.Predicate<Project>	RexUtil.SubQueryFinder.PROJECT_PREDICATE Returns whether a Project contains a sub-query.

Uses of Project in org.apache.calcite.sql2rel

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

Modifier and Type	Method and Description
RelFieldTrimmer.TrimResult	RelFieldTrimmer.trimFields(Project project, ImmutableBitSet fieldsUsed, Set<RelDataTypeField> extraFields) Variant of RelFieldTrimmer.trimFields(RelNode, ImmutableBitSet, Set) for LogicalProject.