Module org.postgresql.pljava

Package org.postgresql.pljava.model

Interface RegOperator

All Superinterfaces:

CatalogObject, CatalogObject.Addressed<RegOperator>, CatalogObject.Named<Lexicals.Identifier.Operator>, CatalogObject.Namespaced<Lexicals.Identifier.Operator>, CatalogObject.Owned

public interface RegOperator
extends CatalogObject.Addressed<RegOperator>, CatalogObject.Namespaced<Lexicals.Identifier.Operator>, CatalogObject.Owned

Model of a PostgreSQL operator as defined in the system catalogs, including its kind (infix or prefix), operand and result types, and a number of properties helpful in query planning.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	RegOperator.Evaluator
static interface	RegOperator.JoinSelectivity
static enum	RegOperator.Kind
static interface	RegOperator.RestrictionSelectivity

Nested classes/interfaces inherited from interface org.postgresql.pljava.model.CatalogObject

CatalogObject.AccessControlled<T extends CatalogObject.Grant>, CatalogObject.Addressed<T extends CatalogObject.Addressed<T>>, CatalogObject.Component, CatalogObject.Grant, CatalogObject.Named<T extends Lexicals.Identifier.Unqualified<T>>, CatalogObject.Namespaced<T extends Lexicals.Identifier.Unqualified<T>>, CatalogObject.Owned

Field Summary

Fields

Modifier and Type	Field	Description
static final RegClass.Known<RegOperator>	CLASSID

Fields inherited from interface org.postgresql.pljava.model.CatalogObject

InvalidOid

Method Summary

Modifier and Type	Method	Description
boolean	canHash()
boolean	canMerge()
RegOperator	commutator()
RegProcedure<RegOperator.Evaluator>	evaluator()
RegProcedure<RegOperator.JoinSelectivity>	joinEstimator()
RegOperator.Kind	kind()
RegType	leftOperand()
RegOperator	negator()
RegProcedure<RegOperator.RestrictionSelectivity>	restrictionEstimator()
RegType	result()
RegType	rightOperand()

Methods inherited from interface org.postgresql.pljava.model.CatalogObject

isValid, of, oid

Methods inherited from interface org.postgresql.pljava.model.CatalogObject.Addressed

classId, exists, shared

Methods inherited from interface org.postgresql.pljava.model.CatalogObject.Named

name

Methods inherited from interface org.postgresql.pljava.model.CatalogObject.Namespaced

namespace, namespaceName, qualifiedName

Methods inherited from interface org.postgresql.pljava.model.CatalogObject.Owned

owner

Field Details

CLASSID

static final RegClass.Known<RegOperator> CLASSID

Method Details

kind

RegOperator.Kind kind()

canMerge

boolean canMerge()

canHash

boolean canHash()

leftOperand

RegType leftOperand()

rightOperand

RegType rightOperand()

result

RegType result()

commutator

RegOperator commutator()

negator

RegOperator negator()

evaluator

RegProcedure<RegOperator.Evaluator> evaluator()

restrictionEstimator

RegProcedure<RegOperator.RestrictionSelectivity> restrictionEstimator()

joinEstimator

RegProcedure<RegOperator.JoinSelectivity> joinEstimator()