Package org.apache.spark.sql.connector.catalog

Class ViewInfo

Object

org.apache.spark.sql.connector.catalog.ViewInfo

@DeveloperApi
public class ViewInfo
extends Object

A class that holds view information.

Constructor Summary

Constructors

Constructor	Description
ViewInfo(Identifier ident, String sql, String currentCatalog, String[] currentNamespace, StructType schema, String[] queryColumnNames, String[] columnAliases, String[] columnComments, Map<String,String> properties)

Method Summary

Modifier and Type	Method	Description
String[]	columnAliases()
String[]	columnComments()
String	currentCatalog()
String[]	currentNamespace()
boolean	equals(Object o)
int	hashCode()
Identifier	ident()
Map<String,String>	properties()
String[]	queryColumnNames()
StructType	schema()
String	sql()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ViewInfo

public ViewInfo(Identifier ident,
 String sql,
 String currentCatalog,
 String[] currentNamespace,
 StructType schema,
 String[] queryColumnNames,
 String[] columnAliases,
 String[] columnComments,
 Map<String,String> properties)

Method Details

ident

@Nonnull
public Identifier ident()

Returns:

The view identifier

sql

@Nonnull
public String sql()

Returns:

The SQL text that defines the view

currentCatalog

@Nonnull
public String currentCatalog()

Returns:

The current catalog

currentNamespace

@Nonnull
public String[] currentNamespace()

Returns:

The current namespace

schema

@Nonnull
public StructType schema()

Returns:

The view query output schema

queryColumnNames

@Nonnull
public String[] queryColumnNames()

Returns:

The query column names

columnAliases

@Nonnull
public String[] columnAliases()

Returns:

The column aliases

columnComments

@Nonnull
public String[] columnComments()

Returns:

The column comments

properties

@Nonnull
public Map<String,String> properties()

Returns:

The view properties

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object