Package org.apache.iceberg.view

Class BaseMetastoreViewCatalog

java.lang.Object

org.apache.iceberg.BaseMetastoreCatalog

org.apache.iceberg.view.BaseMetastoreViewCatalog

All Implemented Interfaces:

Closeable, AutoCloseable, Catalog, ViewCatalog

Direct Known Subclasses:

InMemoryCatalog, JdbcCatalog, NessieCatalog

public abstract class BaseMetastoreViewCatalog
extends BaseMetastoreCatalog
implements ViewCatalog

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	BaseMetastoreViewCatalog.BaseMetastoreViewCatalogTableBuilder	The purpose of this class is to add view detection when replacing a table
protected class	BaseMetastoreViewCatalog.BaseViewBuilder

Nested classes/interfaces inherited from class org.apache.iceberg.BaseMetastoreCatalog

BaseMetastoreCatalog.BaseMetastoreCatalogTableBuilder

Nested classes/interfaces inherited from interface org.apache.iceberg.catalog.Catalog

Catalog.TableBuilder

Constructor Summary

Constructors

Constructor	Description
BaseMetastoreViewCatalog()

Method Summary

Modifier and Type	Method	Description
Catalog.TableBuilder	buildTable(TableIdentifier identifier, Schema schema)	/** Instantiate a builder to either create a table or start a create/replace transaction.
ViewBuilder	buildView(TableIdentifier identifier)	Instantiate a builder to create or replace a SQL view.
void	initialize(String name, Map<String,String> properties)	Initialize a view catalog given a custom name and a map of catalog properties.
View	loadView(TableIdentifier identifier)	Load a view.
String	name()	Return the name for this catalog.
protected abstract ViewOperations	newViewOps(TableIdentifier identifier)

Methods inherited from class org.apache.iceberg.BaseMetastoreCatalog

close, defaultWarehouseLocation, fullTableName, isValidIdentifier, loadTable, metricsReporter, newTableOps, properties, registerTable, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iceberg.catalog.Catalog

createTable, createTable, createTable, createTable, dropTable, dropTable, invalidateTable, listTables, newCreateTableTransaction, newCreateTableTransaction, newCreateTableTransaction, newCreateTableTransaction, newReplaceTableTransaction, newReplaceTableTransaction, newReplaceTableTransaction, newReplaceTableTransaction, renameTable, tableExists

Methods inherited from interface org.apache.iceberg.catalog.ViewCatalog

dropView, invalidateView, listViews, renameView, viewExists

Constructor Details

BaseMetastoreViewCatalog

public BaseMetastoreViewCatalog()

Method Details

newViewOps

protected abstract ViewOperations newViewOps(TableIdentifier identifier)

initialize

public void initialize(String name,
 Map<String,String> properties)

Description copied from interface: ViewCatalog

Initialize a view catalog given a custom name and a map of catalog properties.

A custom view catalog implementation must have a no-arg constructor. A compute engine like Spark or Flink will first initialize the catalog without any arguments, and then call this method to complete catalog initialization with properties passed into the engine.

Specified by:

initialize in interface Catalog

Specified by:

initialize in interface ViewCatalog

Parameters:

name - a custom name for the catalog

properties - catalog properties

name

public String name()

Description copied from interface: ViewCatalog

Return the name for this catalog.

Specified by:

name in interface Catalog

Specified by:

name in interface ViewCatalog

Returns:

this catalog's name

loadView

public View loadView(TableIdentifier identifier)

Description copied from interface: ViewCatalog

Load a view.

Specified by:

loadView in interface ViewCatalog

Parameters:

identifier - a view identifier

Returns:

instance of View implementation referred by the identifier

buildView

public ViewBuilder buildView(TableIdentifier identifier)

Description copied from interface: ViewCatalog

Instantiate a builder to create or replace a SQL view.

Specified by:

buildView in interface ViewCatalog

Parameters:

identifier - a view identifier

Returns:

a view builder

buildTable

public Catalog.TableBuilder buildTable(TableIdentifier identifier,
 Schema schema)

Description copied from interface: Catalog

/** Instantiate a builder to either create a table or start a create/replace transaction.

Specified by:

buildTable in interface Catalog

Overrides:

buildTable in class BaseMetastoreCatalog

Parameters:

identifier - a table identifier

schema - a schema

Returns:

the builder to create a table or start a create/replace transaction