org.apache.drill.exec.physical.impl.materialize

Class QueryDataPackage.EmptyResultsPackage

java.lang.Object

org.apache.drill.exec.physical.impl.materialize.QueryDataPackage.EmptyResultsPackage

All Implemented Interfaces:

QueryDataPackage

Enclosing interface:

QueryDataPackage

public static class QueryDataPackage.EmptyResultsPackage
extends Object
implements QueryDataPackage

Package that contains only a query ID. Send for a query that finishes with no data. The results are null: no data, no schema.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.impl.materialize.QueryDataPackage

QueryDataPackage.DataPackage, QueryDataPackage.EmptyResultsPackage

Constructor Summary

Constructors

Constructor and Description
EmptyResultsPackage(UserBitShared.QueryId queryId)

Method Summary

Modifier and Type	Method and Description
VectorContainer	batch()
List<UserBitShared.SerializedField>	fields()
UserBitShared.QueryId	queryId()
QueryWritableBatch	toWritableBatch() Creates a message that sends only the query ID to the client.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyResultsPackage

public EmptyResultsPackage(UserBitShared.QueryId queryId)

Method Detail

queryId

public UserBitShared.QueryId queryId()

Specified by:

queryId in interface QueryDataPackage

toWritableBatch

public QueryWritableBatch toWritableBatch()

Creates a message that sends only the query ID to the client.

Specified by:

toWritableBatch in interface QueryDataPackage

batch

public VectorContainer batch()

Specified by:

batch in interface QueryDataPackage

fields

public List<UserBitShared.SerializedField> fields()

Specified by:

fields in interface QueryDataPackage