org.neo4j.cypher.internal.rewriting.rewriters.copyVariables.scala Maven / Gradle / Ivy

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Tree rewriting support, and AST rewriters for the Cypher query language

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.cypher.internal.rewriting.rewriters

import org.neo4j.cypher.internal.expressions.Variable
import org.neo4j.cypher.internal.util.Rewriter
import org.neo4j.cypher.internal.util.bottomUp

case object copyVariables extends Rewriter {
  private val instance = bottomUp(Rewriter.lift { case variable: Variable => variable.copyId })

  def apply(that: AnyRef): AnyRef = instance.apply(that)
}