org.apache.hadoop.hive.ql.optimizer.optiq.cost
Class HiveVolcanoPlanner

java.lang.Object
  org.eigenbase.relopt.AbstractRelOptPlanner
      org.eigenbase.relopt.volcano.VolcanoPlanner
          org.apache.hadoop.hive.ql.optimizer.optiq.cost.HiveVolcanoPlanner

All Implemented Interfaces:

org.eigenbase.relopt.RelOptPlanner

public class HiveVolcanoPlanner
extends org.eigenbase.relopt.volcano.VolcanoPlanner

Refinement of VolcanoPlanner for Hive.

It uses HiveCost as its cost model.

Nested Class Summary

Nested classes/interfaces inherited from interface org.eigenbase.relopt.RelOptPlanner

org.eigenbase.relopt.RelOptPlanner.CannotPlanException, org.eigenbase.relopt.RelOptPlanner.Executor

Field Summary

Fields inherited from interface org.eigenbase.relopt.RelOptPlanner

LOGGER

Constructor Summary

HiveVolcanoPlanner()
Creates a HiveVolcanoPlanner.

Method Summary

static org.eigenbase.relopt.RelOptPlanner

createPlanner()

Methods inherited from class org.eigenbase.relopt.volcano.VolcanoPlanner

addListener, addMaterialization, addRelTraitDef, addRule, canConvert, changeTraits, chooseDelegate, clearRules, dump, emptyTraitSet, ensureRegistered, ensureRegistered, findBestExp, getCost, getRelMetadataTimestamp, getRelTraitDefs, getRoot, getSet, getSubset, getSubset, getSubset, isRegistered, normalizePlan, register, registerAbstractRelationalRules, registerMetadataProviders, registerSchema, removeRule, setImportance, setLocked, setRoot

Methods inherited from class org.eigenbase.relopt.AbstractRelOptPlanner

checkCancel, getCostFactory, getExecutor, isRuleExcluded, registerClass, setCancelFlag, setExecutor, setRuleDescExclusionFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveVolcanoPlanner

public HiveVolcanoPlanner()

Creates a HiveVolcanoPlanner.

Method Detail

createPlanner

public static org.eigenbase.relopt.RelOptPlanner createPlanner()