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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.expressions;

import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.TimestampColumnVector;
import org.apache.hadoop.hive.serde2.io.DateWritableV2;

/**
 * To be used to cast timestamp to decimal.
 */
public class CastTimestampToDate extends FuncTimestampToLong {

  private static final long serialVersionUID = 1L;

  public CastTimestampToDate() {
    super();
  }

  public CastTimestampToDate(int inputColumn, int outputColumnNum) {
    super(inputColumn, outputColumnNum);
  }

  @Override
  protected void func(LongColumnVector outV, TimestampColumnVector inV, int i) {

    outV.vector[i] = DateWritableV2.millisToDays(inV.getTime(i));
  }
}