Package org.apache.iceberg.view

Class HadoopViews

java.lang.Object

org.apache.iceberg.view.HadoopViews

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, Views

public class HadoopViews
extends Object
implements Views, org.apache.hadoop.conf.Configurable

The Views implementation Based on FileIO.

Constructor Summary

Constructors

Constructor	Description
HadoopViews(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method	Description
void	create(String location, ViewDefinition viewDefinition, Map<String,String> properties)	Create a view using the FileSystem implementation, resolved from location.
void	drop(String location)	Drops a view.
org.apache.hadoop.conf.Configuration	getConf()
View	load(String location)	Loads the View object from a FileSystem path location.
ViewDefinition	loadDefinition(String location)	Loads the view definition from a FileSystem path location.
void	replace(String location, ViewDefinition definition, Map<String,String> properties)	Replaces a view.
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iceberg.view.Views

rename

Constructor Detail

HadoopViews

public HadoopViews(org.apache.hadoop.conf.Configuration conf)

Method Detail

load

public View load(String location)

Loads the View object from a FileSystem path location.

Specified by:

load in interface Views

Parameters:

location - a path URI (e.g. hdfs:///warehouse/my_view/)

Returns:

view implementation

loadDefinition

public ViewDefinition loadDefinition(String location)

Loads the view definition from a FileSystem path location.

Specified by:

loadDefinition in interface Views

Parameters:

location - view name or location

Returns:

SQL metadata of the view

create

public void create(String location,
                   ViewDefinition viewDefinition,
                   Map<String,String> properties)

Create a view using the FileSystem implementation, resolved from location.

Specified by:

create in interface Views

Parameters:

location - a path URI (e.g. hdfs:///warehouse/my_view)

viewDefinition - contains the view schema, sql, session catalog/namespace etc

properties - Version property genie-id of the operation, as well as table properties such as owner, table type, common view flag etc.

replace

public void replace(String location,
                    ViewDefinition definition,
                    Map<String,String> properties)

Description copied from interface: Views

Replaces a view.

Specified by:

replace in interface Views

Parameters:

location - view name or location

definition - SQL metadata of the view

properties - Version property genie-id of the operation, as well as table properties such as owner, table type, common view flag etc.

drop

public void drop(String location)

Description copied from interface: Views

Drops a view.

Specified by:

drop in interface Views

Parameters:

location - view name or location

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable