[
https://issues.apache.org/jira/browse/HIVE-26744?focusedWorklogId=827557&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-827557
]
ASF GitHub Bot logged work on HIVE-26744:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Nov/22 12:35
Start Date: 21/Nov/22 12:35
Worklog Time Spent: 10m
Work Description: SourabhBadhya commented on code in PR #3774:
URL: https://github.com/apache/hive/pull/3774#discussion_r1027939967
##########
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/AbstractGenericUDFArrayBase.java:
##########
@@ -0,0 +1,151 @@
+/*
+ * 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 org.apache.hadoop.hive.ql.exec.UDFArgumentException;
+import org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException;
+import org.apache.hadoop.hive.serde.serdeConstants;
+
+import org.apache.hadoop.hive.serde2.objectinspector.ListObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory;
+import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters;
+import
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter;
+import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Abstract GenericUDF for array functions
+ */
+
+public abstract class AbstractGenericUDFArrayBase extends GenericUDF {
+
+ static final int ARRAY_IDX = 0;
+ static final int ARRAY2_IDX = 1;
+ static final int START_IDX = 1;
+ static final int LENGTH_IDX = 2;
+ static final int SEPARATOR_IDX = 1;
+ static final int REPLACE_NULL_IDX = 2;
Review Comment:
These lines aren't used anywhere in this patch. If this is planned to be
used in some Jira, please introduce this in that patch.
https://github.com/apache/hive/pull/3774/files#diff-db6db011493631c75a28aac125e0693890f0fb96abdccbdd3bc088e641f40d4aR41-R45
Issue Time Tracking
-------------------
Worklog Id: (was: 827557)
Time Spent: 1h 50m (was: 1h 40m)
> Add array_max and array_min UDFs
> ---------------------------------
>
> Key: HIVE-26744
> URL: https://issues.apache.org/jira/browse/HIVE-26744
> Project: Hive
> Issue Type: Sub-task
> Components: Hive
> Reporter: Taraka Rama Rao Lethavadla
> Assignee: Taraka Rama Rao Lethavadla
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> *1. array_max(array(obj1, obj2,...))* - The function returns the maximum
> value in an array with elements for which order is supported, returns null if
> array is empty
> Example:
> {noformat}
> > SELECT array_max(array(1, 3, 0, NULL)) FROM src LIMIT 1;
> 3{noformat}
>
> *2. array_min(array(obj1, obj2,...))* - The function returns the minimum
> value in an array with elements for which order is supported, returns null if
> array is empty
> Example:
> {noformat}
> > SELECT array_min(array(1, 3, 0, NULL)) FROM src LIMIT 1;
> 0{noformat}
>
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