org.apache.orc.IntegerColumnStatistics Maven / Gradle / Ivy
/**
* 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.orc;
import org.apache.orc.ColumnStatistics;
/**
* Statistics for all of the integer columns, such as byte, short, int, and
* long.
*/
public interface IntegerColumnStatistics extends ColumnStatistics {
/**
* Get the smallest value in the column. Only defined if getNumberOfValues
* is non-zero.
* @return the minimum
*/
long getMinimum();
/**
* Get the largest value in the column. Only defined if getNumberOfValues
* is non-zero.
* @return the maximum
*/
long getMaximum();
/**
* Is the sum defined? If the sum overflowed the counter this will be false.
* @return is the sum available
*/
boolean isSumDefined();
/**
* Get the sum of the column. Only valid if isSumDefined returns true.
* @return the sum of the column
*/
long getSum();
}