Package org.apache.gravitino.rel

Class SQLRepresentation

java.lang.Object

org.apache.gravitino.rel.SQLRepresentation

All Implemented Interfaces:

Representation

@Unstable
public final class SQLRepresentation
extends Object
implements Representation

A SQL-based Representation of a view. Each SQLRepresentation carries the SQL text together with the dialect it is expressed in.

Default catalog and schema used to resolve unqualified identifiers referenced by the SQL are defined at the View level and shared across all representations of the view.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	SQLRepresentation.Builder	A builder for SQLRepresentation.

Field Summary

Fields inherited from interface org.apache.gravitino.rel.Representation

TYPE_SQL

Method Summary

Modifier and Type	Method	Description
static SQLRepresentation.Builder	builder()	Creates a new builder for SQLRepresentation.
String	dialect()	Returns the SQL dialect of this representation, e.g.
boolean	equals(Object o)
int	hashCode()
String	sql()	Returns the SQL text of this representation.
String	toString()
String	type()	Returns the representation type.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

builder

public static SQLRepresentation.Builder builder()

Creates a new builder for SQLRepresentation.

Returns:

A new SQLRepresentation.Builder instance.

type

public String type()

Description copied from interface: Representation

Returns the representation type. The only supported value today is Representation.TYPE_SQL.

Specified by:

type in interface Representation

Returns:

The representation type identifier.

dialect

public String dialect()

Returns the SQL dialect of this representation, e.g. "trino" or "spark". See Dialects for well-known values.

Returns:

The dialect identifier.

sql

public String sql()

Returns the SQL text of this representation.

Returns:

The SQL text.

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