org.apache.hadoop.hive.ql.exec.vector.VectorAssignRowDynBatch 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.hadoop.hive.ql.exec.vector;

import org.apache.hadoop.hive.ql.metadata.HiveException;

/**
 * This class assigns specified columns of a VectorizedRowBatch row from a Writable row Object[].
 *
 * The caller provides the hive type names and target column numbers in the order desired to
 * assign from the Writable row Object[].
 *
 * This class is for use when the batch being assigned may change each time before processOp
 * is called.
 */
public class VectorAssignRowDynBatch extends VectorAssignRow {

  public void setBatchOnEntry(VectorizedRowBatch batch) throws HiveException {
    setBatch(batch);
  }

  public void forgetBatchOnExit() {
    forgetBatch();
  }
}