Package com.illumon.iris.db.v2.by

Class StaticSymbolTableChunkedOperatorAggregationStateManager

java.lang.Object

com.illumon.iris.db.v2.by.StaticSymbolTableChunkedOperatorAggregationStateManager

public class StaticSymbolTableChunkedOperatorAggregationStateManager
extends Object

A ChunkedOperatorAggregationStateManager that takes advantage of an underlying Symbol Table assignments to assign values to slots. This has the advantage of skipping the Symbol ID to Symbol value lookup for normal processing.

Method Summary

Modifier and Type	Method	Description
void	add(SafeCloseable bc, OrderedKeys orderedKeys, ColumnSource<?>[] sources, org.apache.commons.lang3.mutable.MutableInt nextOutputPosition, WritableIntChunk<Attributes.KeyIndices> outputPositions)
int	findPositionForKey(Object key)
ColumnSource<?>[]	getKeyHashTableSources()
SafeCloseable	makeAggregationStateBuildContext(ColumnSource<?>[] buildSources, long maxSize)

Methods inherited from class java.lang.Object

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

Method Details

makeAggregationStateBuildContext

public SafeCloseable makeAggregationStateBuildContext(ColumnSource<?>[] buildSources,
 long maxSize)

add

public void add(SafeCloseable bc,
 OrderedKeys orderedKeys,
 ColumnSource<?>[] sources,
 org.apache.commons.lang3.mutable.MutableInt nextOutputPosition,
 WritableIntChunk<Attributes.KeyIndices> outputPositions)

getKeyHashTableSources

public ColumnSource<?>[] getKeyHashTableSources()

findPositionForKey

public int findPositionForKey(Object key)