com.facebook.presto.spi

Class ReadOnlyConnectorMetadata

java.lang.Object

com.facebook.presto.spi.ReadOnlyConnectorMetadata

All Implemented Interfaces:

ConnectorMetadata

public abstract class ReadOnlyConnectorMetadata
extends Object
implements ConnectorMetadata

Constructor Summary

Constructors

Constructor and Description
ReadOnlyConnectorMetadata()

Method Summary

Methods

Modifier and Type	Method and Description
ConnectorOutputTableHandle	beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata) Begin the atomic creation of a table with data.
boolean	canCreateSampledTables(ConnectorSession session) Returns true if this catalog supports creation of sampled tables
void	commitCreateTable(ConnectorOutputTableHandle tableHandle, Collection<String> fragments) Commit a table creation with data after the data is written.
ConnectorTableHandle	createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata) Creates a table using the specified table metadata.
void	createView(ConnectorSession session, SchemaTableName viewName, String viewData, boolean replace) Create the specified view.
void	dropTable(ConnectorTableHandle tableHandle) Drops the specified table
void	dropView(ConnectorSession session, SchemaTableName viewName) Drop the specified view.
Map<SchemaTableName,String>	getViews(ConnectorSession session, SchemaTablePrefix prefix) Gets the view data for views that match the specified table prefix.
List<SchemaTableName>	listViews(ConnectorSession session, String schemaNameOrNull) List view names, possibly filtered by schema.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.spi.ConnectorMetadata

getColumnHandle, getColumnHandles, getColumnMetadata, getSampleWeightColumnHandle, getTableHandle, getTableMetadata, listSchemaNames, listTableColumns, listTables

Constructor Detail

ReadOnlyConnectorMetadata

public ReadOnlyConnectorMetadata()

Method Detail

createTable

public final ConnectorTableHandle createTable(ConnectorSession session,
                               ConnectorTableMetadata tableMetadata)

Description copied from interface: ConnectorMetadata

Creates a table using the specified table metadata.

Specified by:

createTable in interface ConnectorMetadata

dropTable

public final void dropTable(ConnectorTableHandle tableHandle)

Description copied from interface: ConnectorMetadata

Drops the specified table

Specified by:

dropTable in interface ConnectorMetadata

canCreateSampledTables

public final boolean canCreateSampledTables(ConnectorSession session)

Description copied from interface: ConnectorMetadata

Returns true if this catalog supports creation of sampled tables

Specified by:

canCreateSampledTables in interface ConnectorMetadata

beginCreateTable

public final ConnectorOutputTableHandle beginCreateTable(ConnectorSession session,
                                          ConnectorTableMetadata tableMetadata)

Description copied from interface: ConnectorMetadata

Begin the atomic creation of a table with data.

Specified by:

beginCreateTable in interface ConnectorMetadata

commitCreateTable

public final void commitCreateTable(ConnectorOutputTableHandle tableHandle,
                     Collection<String> fragments)

Description copied from interface: ConnectorMetadata

Commit a table creation with data after the data is written.

Specified by:

commitCreateTable in interface ConnectorMetadata

createView

public void createView(ConnectorSession session,
              SchemaTableName viewName,
              String viewData,
              boolean replace)

Description copied from interface: ConnectorMetadata

Create the specified view. The data for the view is opaque to the connector.

Specified by:

createView in interface ConnectorMetadata

dropView

public void dropView(ConnectorSession session,
            SchemaTableName viewName)

Description copied from interface: ConnectorMetadata

Drop the specified view.

Specified by:

dropView in interface ConnectorMetadata

listViews

public List<SchemaTableName> listViews(ConnectorSession session,
                              String schemaNameOrNull)

Description copied from interface: ConnectorMetadata

List view names, possibly filtered by schema. An empty list is returned if none match.

Specified by:

listViews in interface ConnectorMetadata

getViews

public Map<SchemaTableName,String> getViews(ConnectorSession session,
                                   SchemaTablePrefix prefix)

Description copied from interface: ConnectorMetadata

Gets the view data for views that match the specified table prefix.

Specified by:

getViews in interface ConnectorMetadata