Package org.apache.qpid.server.query.engine.parsing.expression.set

Interface SetExpression<T,R>

Type Parameters:

T - Input parameter type

R - Output parameter type

All Superinterfaces:

Expression<T,R>, ExpressionNode<T,R>, Function<T,R>

All Known Implementing Classes:

AbstractSetExpression, EmptySetExpression, IntersectExpression, MinusExpression, SelectExpression, UnionExpression

public interface SetExpression<T,R>
extends ExpressionNode<T,R>

Parent of select expression and set operations expressions

Method Summary

Modifier and Type	Method	Description
List<ProjectionExpression<T,R>>	getProjections()	Returns list of projections
List<SelectExpression<T,R>>	getSelections()	Returns list of select expressions

Methods inherited from interface org.apache.qpid.server.query.engine.parsing.expression.Expression

andThen, apply

Methods inherited from interface org.apache.qpid.server.query.engine.parsing.expression.ExpressionNode

containsAggregation, getAggregations, getAlias, getChildren, getParent, isAccessor, isInstantlyEvaluable, setAlias, setParent

Methods inherited from interface java.util.function.Function

andThen, compose

Method Detail

getProjections

List<ProjectionExpression<T,R>> getProjections()

Returns list of projections

Returns:

List of projections

getSelections

List<SelectExpression<T,R>> getSelections()

Returns list of select expressions

Returns:

List of select expressions