[jira] [Commented] (HIVE-17077) Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD len character's value is negative number
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https://issues.apache.org/jira/browse/HIVE-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083673#comment-16083673
]
Lingang Deng commented on HIVE-17077:
-
CC [~sershe]
> 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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[jira] [Assigned] (HIVE-17077) lpad(rpad) should return a value but not throw a exception
[
https://issues.apache.org/jira/browse/HIVE-17077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lingang Deng reassigned HIVE-17077:
---
> lpad(rpad) should return a value but not throw a exception
> --
>
> 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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[jira] [Updated] (HIVE-17077) Hive should raise StringIndexOutOfBoundsException when LPAD/RPAD len character's value is negative number
[
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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[jira] [Commented] (HIVE-13727) Getting error Failed rule: 'orderByClause clusterByClause distributeByClause sortByClause limitClause can only be applied to the whole union.' in subquery
[
https://issues.apache.org/jira/browse/HIVE-13727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15571107#comment-15571107
]
Lingang Deng commented on HIVE-13727:
-
I got the exception when parsing sql with hive1.2.1
> Getting error Failed rule: 'orderByClause clusterByClause distributeByClause
> sortByClause limitClause can only be applied to the whole union.' in subquery
> ---
>
> Key: HIVE-13727
> URL: https://issues.apache.org/jira/browse/HIVE-13727
> Project: Hive
> Issue Type: Bug
>Reporter: Rajat Khandelwal
>
> The error comes in the following query:
> {noformat}
> SELECT *
> FROM
> (SELECT *
>FROM srcpart a
>WHERE a.ds = '2008-04-08'
> AND a.hr = '11'
>ORDER BY a.key LIMIT 5
>UNION ALL
>SELECT *
>FROM srcpart b
>WHERE b.ds = '2008-04-08'
> AND b.hr = '14'
>ORDER BY b.key LIMIT 5) subq
> ORDER BY KEY LIMIT 5
> {noformat}
> But the following query works:
> {noformat}
> SELECT *
> FROM
> (SELECT *
>FROM
> (SELECT *
> FROM srcpart a
> WHERE a.ds = '2008-04-08'
> AND a.hr = '11'
> ORDER BY a.key LIMIT 5) pa
>UNION ALL SELECT *
>FROM
> (SELECT *
> FROM srcpart b
> WHERE b.ds = '2008-04-08'
> AND b.hr = '14'
> ORDER BY b.key LIMIT 5) pb) subq
> ORDER BY KEY LIMIT 5
> {noformat}
> The queries are logically identical, the query that's rejected has dummy
> select * clauses around the sub-queries.
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