[jira] [Updated] (HIVE-17077) Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD len character's value is negative number

[ASF GitHub Bot (Jira)]

 [ 
https://issues.apache.org/jira/browse/HIVE-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

ASF GitHub Bot updated HIVE-17077:
--
Labels: pull-request-available  (was: )

> 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: 10m
>  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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[jira] [Updated] (HIVE-17077) Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD len character's value is negative number

[Lingang Deng (JIRA)]

 [ 
https://issues.apache.org/jira/browse/HIVE-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lingang Deng updated HIVE-17077:

Summary: Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD 
len character's value is negative number  (was: lpad(rpad) should return a 
value but not throw a exception)

> 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
>
> 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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