NoChannelGroupByHash (trino-main 410 API)

java.lang.Object

io.trino.operator.NoChannelGroupByHash

All Implemented Interfaces:: GroupByHash

public class NoChannelGroupByHash extends Object implements GroupByHash

Constructor Summary

Constructors

Constructor

Description

NoChannelGroupByHash()
Method Summary

Modifier and Type

Method

Description

Work<?>

addPage(Page page)

void

appendValuesTo(int groupId, PageBuilder pageBuilder)

boolean

contains(int position, Page page, int[] hashChannels)

int

getCapacity()

long

getEstimatedSize()

int

getGroupCount()

Work<GroupByIdBlock>

getGroupIds(Page page)

The order of new group ids need to be the same as the order of incoming rows, i.e.

long

getRawHash(int groupyId)

List<Type>

getTypes()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.trino.operator.GroupByHash
contains

Constructor Details
- NoChannelGroupByHash
  
  public NoChannelGroupByHash()
Method Details
- getEstimatedSize
  
  public long getEstimatedSize()
  
  Specified by:
  
  getEstimatedSize in interface GroupByHash
- getTypes
  
  public List<Type> getTypes()
  
  Specified by:
  
  getTypes in interface GroupByHash
- getGroupCount
  
  public int getGroupCount()
  
  Specified by:
  
  getGroupCount in interface GroupByHash
- appendValuesTo
  
  public void appendValuesTo(int groupId, PageBuilder pageBuilder)
  
  Specified by:
  
  appendValuesTo in interface GroupByHash
- addPage
  
  public Work<?> addPage(Page page)
  
  Specified by:
  
  addPage in interface GroupByHash
- getGroupIds
  
  public Work<GroupByIdBlock> getGroupIds(Page page)
  
  Description copied from interface: GroupByHash
  
  The order of new group ids need to be the same as the order of incoming rows, i.e. new group ids should be assigned in rows iteration order Example: rows: A B C B D A E group ids: 1 2 3 2 4 1 5
  
  Specified by:
  
  getGroupIds in interface GroupByHash
- contains
  
  public boolean contains(int position, Page page, int[] hashChannels)
  
  Specified by:
  
  contains in interface GroupByHash
- getRawHash
  
  public long getRawHash(int groupyId)
  
  Specified by:
  
  getRawHash in interface GroupByHash
- getCapacity
  
  public int getCapacity()
  
  Specified by:
  
  getCapacity in interface GroupByHash