Package io.substrait.extendedexpression

Class ExtendedExpression

java.lang.Object

io.substrait.extendedexpression.ExtendedExpression

Direct Known Subclasses:

ImmutableExtendedExpression

@Immutable
public abstract class ExtendedExpression
extends Object

Represents an extended expression that references multiple expressions and schema details.

Includes references to expressions, expected type URLs, and optional advanced extensions.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExtendedExpression.AggregateFunctionReference	Represents a reference to an aggregate function measure.
static class	ExtendedExpression.ExpressionReference	Represents a reference to a single expression.
static interface	ExtendedExpression.ExpressionReferenceBase	Base interface for expression references.

Constructor Summary

Constructors

Constructor	Description
ExtendedExpression()

Method Summary

Modifier and Type	Method	Description
static ImmutableExtendedExpression.Builder	builder()	Creates a builder for ExtendedExpression.
abstract Optional<AdvancedExtension>	getAdvancedExtension()	Returns the optional advanced extension metadata.
abstract NamedStruct	getBaseSchema()	Returns the base schema associated with this extended expression.
abstract List<String>	getExpectedTypeUrls()	Returns the expected type URLs for validation.
abstract List<ExtendedExpression.ExpressionReferenceBase>	getReferredExpressions()	Returns the list of referred expression references.

Methods inherited from class java.lang.Object

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

Constructor Details

ExtendedExpression

public ExtendedExpression()

Method Details

getReferredExpressions

public abstract List<ExtendedExpression.ExpressionReferenceBase> getReferredExpressions()

Returns the list of referred expression references.

Returns:

list of expression references

getBaseSchema

public abstract NamedStruct getBaseSchema()

Returns the base schema associated with this extended expression.

Returns:

the base schema

getExpectedTypeUrls

public abstract List<String> getExpectedTypeUrls()

Returns the expected type URLs for validation.

Returns:

list of expected type URLs

getAdvancedExtension

public abstract Optional<AdvancedExtension> getAdvancedExtension()

Returns the optional advanced extension metadata.

Returns:

optional advanced extension

builder

public static ImmutableExtendedExpression.Builder builder()

Creates a builder for ExtendedExpression.

Returns:

a new builder