Repository: hive Updated Branches: refs/heads/master bdf20ef57 -> bf8becdce
HIVE-9147 : Add unit test for HIVE7323 (Peter Slawski via Ashutosh Chauhan) Signed-off-by: Ashutosh Chauhan <[email protected]> Project: http://git-wip-us.apache.org/repos/asf/hive/repo Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/bf8becdc Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/bf8becdc Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/bf8becdc Branch: refs/heads/master Commit: bf8becdce9bc62e02614259435a5ef753320731f Parents: bdf20ef Author: Peter Slawski <[email protected]> Authored: Tue Dec 16 14:54:38 2014 -0800 Committer: Ashutosh Chauhan <[email protected]> Committed: Tue Jan 26 20:59:11 2016 -0800 ---------------------------------------------------------------------- .../orc/impl/TestColumnStatisticsImpl.java | 64 ++++++++++++++++++++ 1 file changed, 64 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hive/blob/bf8becdc/orc/src/test/org/apache/orc/impl/TestColumnStatisticsImpl.java ---------------------------------------------------------------------- diff --git a/orc/src/test/org/apache/orc/impl/TestColumnStatisticsImpl.java b/orc/src/test/org/apache/orc/impl/TestColumnStatisticsImpl.java new file mode 100644 index 0000000..6165526 --- /dev/null +++ b/orc/src/test/org/apache/orc/impl/TestColumnStatisticsImpl.java @@ -0,0 +1,64 @@ +/** + * 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.impl; + +import org.apache.hadoop.hive.serde2.io.DateWritable; +import org.apache.orc.OrcProto; +import org.apache.orc.TypeDescription; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +public class TestColumnStatisticsImpl { + + @Test + public void testUpdateDate() throws Exception { + ColumnStatisticsImpl stat = ColumnStatisticsImpl.create(TypeDescription.createDate()); + DateWritable date = new DateWritable(16400); + stat.increment(); + stat.updateDate(date); + assertDateStatistics(stat, 1, 16400, 16400); + + date.set(16410); + stat.increment(); + stat.updateDate(date); + assertDateStatistics(stat, 2, 16400, 16410); + + date.set(16420); + stat.increment(); + stat.updateDate(date); + assertDateStatistics(stat, 3, 16400, 16420); + } + + private void assertDateStatistics(ColumnStatisticsImpl stat, int count, int minimum, int maximum) { + OrcProto.ColumnStatistics.Builder builder = stat.serialize(); + + assertEquals(count, builder.getNumberOfValues()); + assertTrue(builder.hasDateStatistics()); + assertFalse(builder.hasStringStatistics()); + + OrcProto.DateStatistics protoStat = builder.getDateStatistics(); + assertTrue(protoStat.hasMinimum()); + assertEquals(minimum, protoStat.getMinimum()); + assertTrue(protoStat.hasMaximum()); + assertEquals(maximum, protoStat.getMaximum()); + } +}
