Package org.apache.flink.table.catalog

Class AbstractCatalog

java.lang.Object

org.apache.flink.table.catalog.AbstractCatalog

All Implemented Interfaces:

Catalog

Direct Known Subclasses:

GenericInMemoryCatalog, TestFileSystemCatalog

@Internal
public abstract class AbstractCatalog
extends Object
implements Catalog

Abstract class for catalogs.

Constructor Summary

Constructors

Constructor	Description
AbstractCatalog(String name, String defaultDatabase)

Method Summary

Modifier and Type	Method	Description
String	getDefaultDatabase()	Get the name of the default database for this catalog.
String	getName()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.catalog.Catalog

alterDatabase, alterFunction, alterModel, alterPartition, alterPartitionColumnStatistics, alterPartitionStatistics, alterTable, alterTable, alterTableColumnStatistics, alterTableStatistics, bulkGetPartitionColumnStatistics, bulkGetPartitionStatistics, close, createDatabase, createFunction, createModel, createPartition, createTable, databaseExists, dropDatabase, dropDatabase, dropFunction, dropModel, dropPartition, dropTable, functionExists, getDatabase, getFactory, getFunction, getFunctionDefinitionFactory, getModel, getPartition, getPartitionColumnStatistics, getPartitionStatistics, getProcedure, getTable, getTable, getTableColumnStatistics, getTableFactory, getTableStatistics, listDatabases, listFunctions, listModels, listPartitions, listPartitions, listPartitionsByFilter, listProcedures, listTables, listViews, modelExists, open, partitionExists, renameModel, renameTable, supportsManagedTable, tableExists

Constructor Detail

AbstractCatalog

public AbstractCatalog(String name,
                       String defaultDatabase)

Method Detail

getName

public String getName()

getDefaultDatabase

public String getDefaultDatabase()

Description copied from interface: Catalog

Get the name of the default database for this catalog. The default database will be the current database for the catalog when user's session doesn't specify a current database. The value probably comes from configuration, will not change for the life time of the catalog instance.

If the default database is null, users will need to set a current database themselves or qualify identifiers at least with the database name when using the catalog.

Specified by:

getDefaultDatabase in interface Catalog

Returns:

the name of the current database