org.apache.spark.sql.hudi.logical.TimeTravelRelation.scala Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
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package org.apache.spark.sql.catalyst.plans.logical

import org.apache.spark.sql.catalyst.expressions.{Attribute, Expression}

case class TimeTravelRelation(
                               table: LogicalPlan,
                               timestamp: Option[Expression],
                               version: Option[String]) extends Command {
  override def children: Seq[LogicalPlan] = Seq.empty

  override def output: Seq[Attribute] = Nil

  override lazy val resolved: Boolean = false

  def withNewChildrenInternal(newChildren: IndexedSeq[LogicalPlan]): LogicalPlan = this
}