Package org.apache.drill.metastore.iceberg.components.tables

Class TableKey

java.lang.Object

org.apache.drill.metastore.iceberg.components.tables.TableKey

public class TableKey
extends Object

Is used to uniquely identify Drill table in Metastore Tables component based on storage plugin, workspace and table name.

Constructor Summary

Constructors

Constructor	Description
TableKey(String storagePlugin, String workspace, String tableName)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
static TableKey	of(TableMetadataUnit unit)
String	storagePlugin()
String	tableName()
Map<MetastoreColumn,Object>	toFilterConditions()	Convert table key data into filter conditions.
String	toLocation(String base)	Constructs table location based on given Iceberg table location.
String	workspace()

Methods inherited from class java.lang.Object

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

Constructor Details

TableKey

public TableKey(String storagePlugin,
 String workspace,
 String tableName)

Method Details

of

public static TableKey of(TableMetadataUnit unit)

storagePlugin

public String storagePlugin()

workspace

public String workspace()

tableName

public String tableName()

toLocation

public String toLocation(String base)

Constructs table location based on given Iceberg table location. For example, metadata for the table dfs.tmp.nation will be stored in [METASTORE_TABLES_ROOT_DIRECTORY]/dfs/tmp/nation folder.

Parameters:

base - Iceberg table location

Returns:

table location

toFilterConditions

public Map<MetastoreColumn,Object> toFilterConditions()

Convert table key data into filter conditions.

Returns:

map of with condition references anf values

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object