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

Class HiveRelMdUniqueKeys

java.lang.Object

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

All Implemented Interfaces:

org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.UniqueKeys>

public class HiveRelMdUniqueKeys
extends Object
implements org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.UniqueKeys>

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.rel.metadata.RelMetadataProvider	SOURCE

Constructor Summary

Constructors

Constructor and Description
HiveRelMdUniqueKeys()

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.UniqueKeys>	getDef()
Set<org.apache.calcite.util.ImmutableBitSet>	getUniqueKeys(org.apache.calcite.rel.core.Project rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq, boolean ignoreNulls)

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE

public static final org.apache.calcite.rel.metadata.RelMetadataProvider SOURCE

Constructor Detail

HiveRelMdUniqueKeys

public HiveRelMdUniqueKeys()

Method Detail

getDef

public org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.UniqueKeys> getDef()

Specified by:

getDef in interface org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.UniqueKeys>

getUniqueKeys

public Set<org.apache.calcite.util.ImmutableBitSet> getUniqueKeys(org.apache.calcite.rel.core.Project rel,
                                                                  org.apache.calcite.rel.metadata.RelMetadataQuery mq,
                                                                  boolean ignoreNulls)