org.apache.hadoop.hive.ql.udf.generic.GenericUDFEWAHBitmapAnd 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.udf.generic;

import javaewah.EWAHCompressedBitmap;

import org.apache.hadoop.hive.ql.exec.Description;

/**
 * GenericEWAHUDFBitmapAnd.
 *
 */
@Description(name = "ewah_bitmap_and",
  value = "_FUNC_(b1, b2) - Return an EWAH-compressed bitmap that is the bitwise AND of two bitmaps.")
public class GenericUDFEWAHBitmapAnd extends AbstractGenericUDFEWAHBitmapBop {

  public GenericUDFEWAHBitmapAnd() {
    super("EWAH_BITMAP_AND");
  }

  @Override
  protected EWAHCompressedBitmap bitmapBop(
      EWAHCompressedBitmap bitmap1, EWAHCompressedBitmap bitmap2) {
    return bitmap1.and(bitmap2);
  }
}