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The plugin that powers ESQL for Elasticsearch
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
package org.elasticsearch.xpack.esql.plan.physical;
import org.elasticsearch.xpack.esql.core.expression.Attribute;
import org.elasticsearch.xpack.esql.core.tree.Source;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
public abstract class UnaryExec extends PhysicalPlan {
private final PhysicalPlan child;
protected UnaryExec(Source source, PhysicalPlan child) {
super(source, Collections.singletonList(child));
this.child = child;
}
@Override
public final PhysicalPlan replaceChildren(List newChildren) {
return replaceChild(newChildren.get(0));
}
public abstract UnaryExec replaceChild(PhysicalPlan newChild);
public PhysicalPlan child() {
return child;
}
@Override
public List output() {
return child.output();
}
@Override
public int hashCode() {
return Objects.hashCode(child());
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
UnaryExec other = (UnaryExec) obj;
return Objects.equals(child, other.child);
}
}