| /** |
| * 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.tajo.storage.thirdparty.orc; |
| |
| /** |
| * 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(); |
| } |