org.apache.lens.driver.hive
Class HiveQueryPlan

java.lang.Object
  org.apache.lens.server.api.driver.DriverQueryPlan
      org.apache.lens.driver.hive.HiveQueryPlan

public class HiveQueryPlan
extends DriverQueryPlan

The Class HiveQueryPlan.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lens.server.api.driver.DriverQueryPlan

DriverQueryPlan.ExecMode, DriverQueryPlan.ScanMode

Constructor Summary

HiveQueryPlan(List<String> explainOutput, QueryPrepareHandle prepared, org.apache.hadoop.hive.conf.HiveConf metastoreConf)
Instantiates a new hive query plan.

Method Summary

QueryCost	getCost() Get the cost associated with the plan
Map<String,List<String>>	getPartitions() Get list of partitions queried for each table
String	getPlan() Get the query plan

Methods inherited from class org.apache.lens.server.api.driver.DriverQueryPlan

getExecMode, getFilterWeight, getGbyWeight, getHandle, getHavingWeight, getJoinWeight, getNumAggreagateExprs, getNumFilters, getNumGbys, getNumHaving, getNumJoins, getNumOrderBys, getNumSelDistincts, getNumSels, getObyWeight, getPrepareHandle, getResultDestination, getScanMode, getSelectWeight, getTablesQueried, getTableWeight, getTableWeights, hasSubQuery, setPrepareHandle, toQueryPlan

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveQueryPlan

public HiveQueryPlan(List<String> explainOutput,
                     QueryPrepareHandle prepared,
                     org.apache.hadoop.hive.conf.HiveConf metastoreConf)
              throws org.apache.hadoop.hive.ql.metadata.HiveException

Instantiates a new hive query plan.

Parameters:

explainOutput - the explain output

prepared - the prepared

metastoreConf - the metastore conf

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException - the hive exception

Method Detail

getPlan

public String getPlan()

Description copied from class: DriverQueryPlan

Get the query plan

Specified by:

getPlan in class DriverQueryPlan

Returns:

The string representation of the plan

getCost

public QueryCost getCost()

Description copied from class: DriverQueryPlan

Get the cost associated with the plan

Specified by:

getCost in class DriverQueryPlan

Returns:

QueryCost object

getPartitions

public Map<String,List<String>> getPartitions()

Description copied from class: DriverQueryPlan

Get list of partitions queried for each table

Overrides:

getPartitions in class DriverQueryPlan

Returns: