org.apache.drill.common.logical.data

Class GroupingAggregate

java.lang.Object

org.apache.drill.common.logical.data.LogicalOperatorBase

org.apache.drill.common.logical.data.SingleInputOperator

org.apache.drill.common.logical.data.GroupingAggregate

All Implemented Interfaces:

Iterable<LogicalOperator>, GraphValue<LogicalOperator>, LogicalOperator

public class GroupingAggregate
extends SingleInputOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GroupingAggregate.Builder

Nested classes/interfaces inherited from interface org.apache.drill.common.logical.data.LogicalOperator

LogicalOperator.NodeBuilder<T extends LogicalOperator>

Constructor Summary

Constructors

Constructor and Description
GroupingAggregate(List<NamedExpression> keys, List<NamedExpression> exprs)

Method Summary

Modifier and Type	Method and Description
<T,X,E extends Throwable> T	accept(LogicalVisitor<T,X,E> logicalVisitor, X value) Provides capability to build a set of output based on traversing a query graph tree.
static GroupingAggregate.Builder	builder()
List<NamedExpression>	getExprs()
List<NamedExpression>	getKeys()
Iterator<LogicalOperator>	iterator()

Methods inherited from class org.apache.drill.common.logical.data.SingleInputOperator

getInput, setInput

Methods inherited from class org.apache.drill.common.logical.data.LogicalOperatorBase

accept, getMemo, hashCode, nodeBuilder, registerAsSubscriber, setMemo, setupAndValidate, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

GroupingAggregate

public GroupingAggregate(List<NamedExpression> keys,
                         List<NamedExpression> exprs)

Method Detail

accept

public <T,X,E extends Throwable> T accept(LogicalVisitor<T,X,E> logicalVisitor,
                                          X value)
                                   throws E extends Throwable

Description copied from interface: LogicalOperator

Provides capability to build a set of output based on traversing a query graph tree.

Returns:

Throws:

E extends Throwable

iterator

public Iterator<LogicalOperator> iterator()

Specified by:

iterator in interface Iterable<LogicalOperator>

Overrides:

iterator in class SingleInputOperator

builder

public static GroupingAggregate.Builder builder()

getKeys

public List<NamedExpression> getKeys()

getExprs

public List<NamedExpression> getExprs()