Package io.trino.plugin.hive

Class HiveLocationService

java.lang.Object

io.trino.plugin.hive.HiveLocationService

All Implemented Interfaces:

LocationService

public class HiveLocationService
extends Object
implements LocationService

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.plugin.hive.LocationService

LocationService.WriteInfo

Constructor Summary

Constructors

Constructor	Description
HiveLocationService(HdfsEnvironment hdfsEnvironment)

Method Summary

Modifier and Type	Method	Description
LocationHandle	forExistingTable(SemiTransactionalHiveMetastore metastore, ConnectorSession session, Table table)
LocationHandle	forNewTable(SemiTransactionalHiveMetastore metastore, ConnectorSession session, String schemaName, String tableName, Optional<org.apache.hadoop.fs.Path> externalLocation)
LocationService.WriteInfo	getPartitionWriteInfo(LocationHandle locationHandle, Optional<Partition> partition, String partitionName)	If partition is present, returns WriteInfo for appending existing partition; otherwise, returns WriteInfo for writing new partition or overwriting existing partition.
LocationService.WriteInfo	getQueryWriteInfo(LocationHandle locationHandle)	targetPath and writePath will be root directory of all partition and table paths that may be returned by LocationService.getTableWriteInfo(LocationHandle, boolean) and LocationService.getPartitionWriteInfo(LocationHandle, Optional, String) method.
LocationService.WriteInfo	getTableWriteInfo(LocationHandle locationHandle, boolean overwrite)

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveLocationService

@Inject
public HiveLocationService(HdfsEnvironment hdfsEnvironment)

Method Detail

forNewTable

public LocationHandle forNewTable(SemiTransactionalHiveMetastore metastore,
                                  ConnectorSession session,
                                  String schemaName,
                                  String tableName,
                                  Optional<org.apache.hadoop.fs.Path> externalLocation)

Specified by:

forNewTable in interface LocationService

forExistingTable

public LocationHandle forExistingTable(SemiTransactionalHiveMetastore metastore,
                                       ConnectorSession session,
                                       Table table)

Specified by:

forExistingTable in interface LocationService

getQueryWriteInfo

public LocationService.WriteInfo getQueryWriteInfo(LocationHandle locationHandle)

Description copied from interface: LocationService

targetPath and writePath will be root directory of all partition and table paths that may be returned by LocationService.getTableWriteInfo(LocationHandle, boolean) and LocationService.getPartitionWriteInfo(LocationHandle, Optional, String) method.

Specified by:

getQueryWriteInfo in interface LocationService

getTableWriteInfo

public LocationService.WriteInfo getTableWriteInfo(LocationHandle locationHandle,
                                                   boolean overwrite)

Specified by:

getTableWriteInfo in interface LocationService

getPartitionWriteInfo

public LocationService.WriteInfo getPartitionWriteInfo(LocationHandle locationHandle,
                                                       Optional<Partition> partition,
                                                       String partitionName)

Description copied from interface: LocationService

If partition is present, returns WriteInfo for appending existing partition; otherwise, returns WriteInfo for writing new partition or overwriting existing partition.

Specified by:

getPartitionWriteInfo in interface LocationService