com.illumon.iris.db.v2.by.NonKeyColumnAggregationFactory

public class NonKeyColumnAggregationFactory
extends Object
implements AggregationContextFactory

Method Summary

Modifier and Type	Method	Description
`boolean`	`allowKeyOnlySubstitution()`	Should we allow substitution with a `KeyOnlyAggregationFactory` (e.g.
`com.illumon.iris.db.v2.by.AggregationContext`	`makeAggregationContext(Table table, String... groupByColumns)`	Make an `AggregationContext` for this aggregation.
`String`	`toString()`

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

Constructor Details
- NonKeyColumnAggregationFactory
  
  public NonKeyColumnAggregationFactory(IterativeChunkedOperatorFactory iterativeChunkedOperatorFactory)
Method Details
- allowKeyOnlySubstitution
  
  public boolean allowKeyOnlySubstitution()
  
  Description copied from interface: AggregationContextFactory
  
  Should we allow substitution with a KeyOnlyAggregationFactory (e.g. selectDistinct) when there are only key columns? Instances whose operators could have side effects or are already KeyOnlyAggregationFactory should return false.
  
  Specified by:
  
  allowKeyOnlySubstitution in interface AggregationContextFactory
  
  Returns:
  
  Whether to allow a KeyOnlyAggregationFactory to be substituted for this when there are only key columns
- makeAggregationContext
  
  public com.illumon.iris.db.v2.by.AggregationContext makeAggregationContext(@NotNull Table table, @NotNull String... groupByColumns)
  
  Description copied from interface: AggregationContextFactory
  
  Make an AggregationContext for this aggregation.
  
  Specified by:
  
  makeAggregationContext in interface AggregationContextFactory
  
  Parameters:
  
  table - The source Table to aggregate
  
  groupByColumns - The key column names
  
  Returns:
  
  A new or safely reusable AggregationContext
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object

Class NonKeyColumnAggregationFactory