Package org.elasticsearch.xpack.esql.core.expression

Class LeafExpression

java.lang.Object

org.elasticsearch.xpack.esql.core.tree.Node<Expression>

org.elasticsearch.xpack.esql.core.expression.Expression

org.elasticsearch.xpack.esql.core.expression.LeafExpression

All Implemented Interfaces:

NamedWriteable, Writeable, Resolvable

Direct Known Subclasses:

ApproximationPlan.SampleProbabilityPlaceHolder, Literal

public abstract class LeafExpression
extends Expression

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.xpack.esql.core.expression.Expression

Expression.TypeResolution

Nested classes/interfaces inherited from class org.elasticsearch.xpack.esql.core.tree.Node

Node.NodeStringFormat

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields inherited from class org.elasticsearch.xpack.esql.core.tree.Node

TO_STRING_MAX_LINES, TO_STRING_MAX_WIDTH

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LeafExpression(Source source)

Method Summary

Modifier and Type	Method	Description
protected Expression	canonicalize()
AttributeSet	references()	Set of Attributes referenced by this Expression.
final Expression	replaceChildren(List<Expression> newChildren)

Methods inherited from class org.elasticsearch.xpack.esql.core.expression.Expression

canonical, childrenResolved, dataType, fold, foldable, nullable, propertiesToString, resolved, resolveType, semanticEquals, semanticHash, toString, toString, typeResolved

Methods inherited from class org.elasticsearch.xpack.esql.core.tree.Node

allMatch, anyMatch, children, collect, collect, collect, collectFirstChildren, collectLeaves, doCollectFirst, equals, forEachDown, forEachDown, forEachDownMayReturnEarly, forEachProperty, forEachPropertyDown, forEachPropertyOnly, forEachPropertyUp, forEachUp, forEachUp, hashCode, info, nodeName, nodeProperties, nodeString, nodeString, replaceChildrenSameSize, source, sourceLocation, sourceText, transformChildren, transformChildren, transformDown, transformDown, transformDown, transformDown, transformDownSkipBranch, transformNodeProps, transformPropertiesDown, transformPropertiesOnly, transformPropertiesUp, transformUp, transformUp, transformUp

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.io.stream.NamedWriteable

getWriteableName

Methods inherited from interface org.elasticsearch.common.io.stream.Writeable

writeTo

Constructor Details

LeafExpression

protected LeafExpression(Source source)

Method Details

replaceChildren

public final Expression replaceChildren(List<Expression> newChildren)

Specified by:

replaceChildren in class Node<Expression>

references

public AttributeSet references()

Description copied from class: Expression

Set of Attributes referenced by this Expression.

Overrides:

references in class Expression

canonicalize

protected Expression canonicalize()

Overrides:

canonicalize in class Expression