com.facebook.presto.connector.system

Class MetadataBasedSystemTablesProvider

java.lang.Object

com.facebook.presto.connector.system.MetadataBasedSystemTablesProvider

All Implemented Interfaces:

SystemTablesProvider

public class MetadataBasedSystemTablesProvider
extends Object
implements SystemTablesProvider

Constructor Summary

Constructors

Constructor and Description
MetadataBasedSystemTablesProvider(Metadata metadata, String catalogName)

Method Summary

Modifier and Type	Method and Description
Optional<SystemTable>	getSystemTable(ConnectorSession session, SchemaTableName tableName) Resolves table name.
Set<SystemTable>	listSystemTables(ConnectorSession session)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetadataBasedSystemTablesProvider

public MetadataBasedSystemTablesProvider(Metadata metadata,
                                         String catalogName)

Method Detail

listSystemTables

public Set<SystemTable> listSystemTables(ConnectorSession session)

Specified by:

listSystemTables in interface SystemTablesProvider

getSystemTable

public Optional<SystemTable> getSystemTable(ConnectorSession session,
                                            SchemaTableName tableName)

Description copied from interface: SystemTablesProvider

Resolves table name. Returns Optional.empty() if table is not found. Some tables which are not part of set returned by SystemTablesProvider.listSystemTables(ConnectorSession) can still be validly resolved.

Specified by:

getSystemTable in interface SystemTablesProvider