org.apache.hadoop.hive.ql.metadata

Class MaterializedViewMetadata

java.lang.Object

org.apache.hadoop.hive.ql.metadata.MaterializedViewMetadata

public class MaterializedViewMetadata
extends Object

Constructor Summary

Constructors

Constructor and Description
MaterializedViewMetadata(String catalogName, String dbName, String mvName, Set<org.apache.hadoop.hive.metastore.api.SourceTable> sourceTables, MaterializationSnapshot snapshot)

Method Summary

Modifier and Type	Method and Description
long	getMaterializationTime()
MaterializationSnapshot	getSnapshot() Get the snapshot data of the materialized view source tables stored in HMS.
Set<String>	getSourceTableFullNames()
Set<TableName>	getSourceTableNames()
Collection<org.apache.hadoop.hive.metastore.api.SourceTable>	getSourceTables()
MaterializedViewMetadata	reset(MaterializationSnapshot snapshot)

Methods inherited from class java.lang.Object

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

Constructor Detail

MaterializedViewMetadata

public MaterializedViewMetadata(String catalogName,
                                String dbName,
                                String mvName,
                                Set<org.apache.hadoop.hive.metastore.api.SourceTable> sourceTables,
                                MaterializationSnapshot snapshot)

Method Detail

getSourceTableFullNames

public Set<String> getSourceTableFullNames()

getSourceTableNames

public Set<TableName> getSourceTableNames()

getSourceTables

public Collection<org.apache.hadoop.hive.metastore.api.SourceTable> getSourceTables()

getSnapshot

public MaterializationSnapshot getSnapshot()

Get the snapshot data of the materialized view source tables stored in HMS. The returned object contains the valid txn list in case of native acid tables or the snapshotIds of tables which storage handle supports snapshots.

Returns:

MaterializationSnapshot object or null if the wrapped CreationMetadata object does not contain snapshot data

getMaterializationTime

public long getMaterializationTime()

reset

public MaterializedViewMetadata reset(MaterializationSnapshot snapshot)