[
https://issues.apache.org/jira/browse/HIVE-26277?focusedWorklogId=784261&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-784261
]
ASF GitHub Bot logged work on HIVE-26277:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Jun/22 15:07
Start Date: 23/Jun/22 15:07
Worklog Time Spent: 10m
Work Description: asolimando commented on code in PR #3339:
URL: https://github.com/apache/hive/pull/3339#discussion_r905145147
##########
standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/StatisticsTestUtils.java:
##########
@@ -0,0 +1,788 @@
+/*
+ * 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.metastore;
+
+import org.apache.hadoop.hive.common.ndv.fm.FMSketch;
+import org.apache.hadoop.hive.common.ndv.hll.HyperLogLog;
+import org.apache.hadoop.hive.metastore.api.BinaryColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.BooleanColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.ColumnStatistics;
+import org.apache.hadoop.hive.metastore.api.ColumnStatisticsData;
+import org.apache.hadoop.hive.metastore.api.ColumnStatisticsDesc;
+import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
+import org.apache.hadoop.hive.metastore.api.Date;
+import org.apache.hadoop.hive.metastore.api.DateColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.Decimal;
+import org.apache.hadoop.hive.metastore.api.DecimalColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.DoubleColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.FieldSchema;
+import org.apache.hadoop.hive.metastore.api.LongColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.StringColumnStatsData;
+import org.apache.hadoop.hive.metastore.api.Table;
+import org.apache.hadoop.hive.metastore.api.Timestamp;
+import org.apache.hadoop.hive.metastore.api.TimestampColumnStatsData;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.DateColumnStatsDataInspector;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.DecimalColumnStatsDataInspector;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.DoubleColumnStatsDataInspector;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.LongColumnStatsDataInspector;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.StringColumnStatsDataInspector;
+import
org.apache.hadoop.hive.metastore.columnstats.cache.TimestampColumnStatsDataInspector;
+import org.junit.Assert;
+
+import java.util.Collections;
+
+public class StatisticsTestUtils {
+
+ public static final String HIVE_ENGINE = "hive";
+
+ private static final double epsilon = Double.MIN_VALUE;
+
+ private StatisticsTestUtils() {
+ throw new AssertionError("Suppress default constructor for non
instantiation");
+ }
+
+ /*----------
Issue Time Tracking
-------------------
Worklog Id: (was: 784261)
Time Spent: 3h 40m (was: 3.5h)
> NPEs and rounding issues in ColumnStatsAggregator classes
> ---------------------------------------------------------
>
> Key: HIVE-26277
> URL: https://issues.apache.org/jira/browse/HIVE-26277
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore, Statistics, Tests
> Affects Versions: 4.0.0-alpha-2
> Reporter: Alessandro Solimando
> Assignee: Alessandro Solimando
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Fix NPEs and rounding errors in _ColumnStatsAggregator_ classes, add
> unit-tests for all the involved classes.
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