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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.indexinglanguage.expressions;
/**
* An output expression which has no search side effects.
*
* @author steinar
*/
public final class PassthroughExpression extends OutputExpression {
private static final String PASSTHROUGH = "passthrough";
public PassthroughExpression(String fieldName) {
super(PASSTHROUGH, fieldName);
}
@Override
public boolean equals(Object obj) {
return super.equals(obj) && obj instanceof PassthroughExpression;
}
}
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