Uses of Interface
org.apache.drill.exec.physical.impl.join.HashJoinStateCalculator

Packages that use HashJoinStateCalculator

Package	Description
org.apache.drill.exec.physical.impl.join

Uses of HashJoinStateCalculator in org.apache.drill.exec.physical.impl.join

Classes in org.apache.drill.exec.physical.impl.join with type parameters of type HashJoinStateCalculator

Modifier and Type	Interface	Description
interface	HashJoinStateCalculator<T extends HashJoinStateCalculator<?>>	A HashJoinStateCalculator is a piece of code that compute the memory requirements for one of the states in the HashJoinState enum.

Subinterfaces of HashJoinStateCalculator in org.apache.drill.exec.physical.impl.join

Modifier and Type	Interface	Description
interface	HashJoinMemoryCalculator	This class is responsible for managing the memory calculations for the HashJoin operator.
static interface	HashJoinMemoryCalculator.BuildSidePartitioning	The interface representing the HashJoinStateCalculator corresponding to the HashJoinState.BUILD_SIDE_PARTITIONING state.
static interface	HashJoinMemoryCalculator.PostBuildCalculations	The interface representing the HashJoinStateCalculator corresponding to the HashJoinState.POST_BUILD_CALCULATIONS state.

Classes in org.apache.drill.exec.physical.impl.join that implement HashJoinStateCalculator

Modifier and Type	Class	Description
class	HashJoinMechanicalMemoryCalculator
static class	HashJoinMechanicalMemoryCalculator.MechanicalBuildSidePartitioning
static class	HashJoinMechanicalMemoryCalculator.MechanicalPostBuildCalculations
class	HashJoinMemoryCalculatorImpl
static class	HashJoinMemoryCalculatorImpl.BuildSidePartitioningImpl	At this point we need to reserve memory for the following: An incoming batch An incomplete batch for each partition If there is available memory we keep the batches for each partition in memory.
static class	HashJoinMemoryCalculatorImpl.NoopBuildSidePartitioningImpl
static class	HashJoinMemoryCalculatorImpl.NoopPostBuildCalculationsImpl
static class	HashJoinMemoryCalculatorImpl.PostBuildCalculationsImpl	In this state, we need to make sure there is enough room to spill probe side batches, if spilling is necessary.