org.apache.spark.sql.execution.command.CommandCheck.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
 *
 * 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.apache.spark.sql.execution.command

import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.util.SchemaUtils

/**
 * Checks legitimization of various execution commands.
 */
case class CommandCheck(conf: SQLConf) extends (LogicalPlan => Unit) {

  override def apply(plan: LogicalPlan): Unit = {
    plan.foreach {
      case AnalyzeColumnCommand(_, colsOpt, allColumns) if !allColumns =>
        colsOpt.foreach(SchemaUtils.checkColumnNameDuplication(
          _, "in analyze columns.", conf.caseSensitiveAnalysis))

      case _ =>
    }
  }
}