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From "Carl Steinbach" <c...@cloudera.com>
Subject Re: Review Request: alter table concatenate fails and deletes data
Date Tue, 26 Apr 2011 05:33:19 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/665/#review557
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trunk/conf/hive-default.xml
<https://reviews.apache.org/r/665/#comment1177>

    The indentation looks the same in your editor because these are TABs. Please remove, and
then configure your editor to disallow TABs.



trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
<https://reviews.apache.org/r/665/#comment1176>

    Spacing.



trunk/ql/src/test/queries/clientnegative/alter_merge_index.q
<https://reviews.apache.org/r/665/#comment1174>

    Please add some comments explaining what it is that you're testing, e.g. why is this a
negative test? Why is expected to fail?



trunk/ql/src/test/queries/clientpositive/alter_merge_index.q
<https://reviews.apache.org/r/665/#comment1175>

    Please add some comments here too.


- Carl


On 2011-04-25 22:47:17, Yongqiang He wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/665/
> -----------------------------------------------------------
> 
> (Updated 2011-04-25 22:47:17)
> 
> 
> Review request for hive.
> 
> 
> Summary
> -------
> 
> alter table concatenate fails and deletes data
> 
> It is because the number of reducers is set to -1.
> 
> In this patch, it is set to zero. 
> 
> Also added a move task as the child task of the merge task. added a conf to control whether
to check index or not, and add the job name for the merge job.
> 
> 
> This addresses bug HIVE-2125.
>     https://issues.apache.org/jira/browse/HIVE-2125
> 
> 
> Diffs
> -----
> 
>   trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 1096599 
>   trunk/conf/hive-default.xml 1096599 
>   trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 1096599 
>   trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Task.java 1096599 
>   trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/BlockMergeTask.java 1096599

>   trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 1096599

>   trunk/ql/src/test/queries/clientnegative/alter_merge_index.q PRE-CREATION 
>   trunk/ql/src/test/queries/clientpositive/alter_merge_index.q PRE-CREATION 
>   trunk/ql/src/test/results/clientnegative/alter_merge_index.q.out PRE-CREATION 
>   trunk/ql/src/test/results/clientpositive/alter_merge_index.q.out PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/665/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Yongqiang
> 
>


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