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https://issues.apache.org/jira/browse/HIVE-17077?focusedWorklogId=450119&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-450119
]
ASF GitHub Bot logged work on HIVE-17077:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Jun/20 00:26
Start Date: 24/Jun/20 00:26
Worklog Time Spent: 10m
Work Description: github-actions[bot] closed pull request #203:
URL: https://github.com/apache/hive/pull/203
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Issue Time Tracking
-------------------
Worklog Id: (was: 450119)
Time Spent: 20m (was: 10m)
> Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD len
> character's value is negative number
> ---------------------------------------------------------------------------------------------------------
>
> Key: HIVE-17077
> URL: https://issues.apache.org/jira/browse/HIVE-17077
> Project: Hive
> Issue Type: Bug
> Reporter: Lingang Deng
> Assignee: Lingang Deng
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> lpad(rpad) throw a exception when the second argument a negative number, as
> follows,
> {code:java}
> hive> select lpad("hello", -1 ,"h");
> FAILED: StringIndexOutOfBoundsException String index out of range: -1
> hive> select rpad("hello", -1 ,"h");
> FAILED: StringIndexOutOfBoundsException String index out of range: -1
> {code}
> Maybe we should return friendly result such as mysql.
> {code:java}
> mysql> select lpad("hello", -1 ,"h");
> +----------------------+
> | lpad("hello", -1 ,"h") |
> +----------------------+
> | NULL |
> +----------------------+
> 1 row in set (0.00 sec)
> mysql> select rpad("hello", -1 ,"h");
> +----------------------+
> | rpad("hello", -1 ,"h") |
> +----------------------+
> | NULL |
> +----------------------+
> 1 row in set (0.00 sec)
> {code}
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