org.apache.hadoop.hive.ql.optimizer.calcite

Class HiveDefaultRelMetadataProvider

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.calcite.HiveDefaultRelMetadataProvider

public class HiveDefaultRelMetadataProvider
extends Object

Constructor Summary

Constructors

Constructor and Description
HiveDefaultRelMetadataProvider(HiveConf hiveConf, List<Class<? extends org.apache.calcite.rel.RelNode>> nodeClasses)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.metadata.RelMetadataProvider	getMetadataProvider()
static void	initializeMetadataProviderClass(List<Class<? extends org.apache.calcite.rel.RelNode>> nodeClasses) This method can be called at startup time to pre-register all the additional Hive classes (compared to Calcite core classes) that may be visited during the planning phase.

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveDefaultRelMetadataProvider

public HiveDefaultRelMetadataProvider(HiveConf hiveConf,
                                      List<Class<? extends org.apache.calcite.rel.RelNode>> nodeClasses)

Method Detail

getMetadataProvider

public org.apache.calcite.rel.metadata.RelMetadataProvider getMetadataProvider()

initializeMetadataProviderClass

public static void initializeMetadataProviderClass(List<Class<? extends org.apache.calcite.rel.RelNode>> nodeClasses)

This method can be called at startup time to pre-register all the additional Hive classes (compared to Calcite core classes) that may be visited during the planning phase.