Liyin Tang created HIVE-13315:
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Summary: Option to reuse existing restored HBase snapshots
Key: HIVE-13315
URL: https://issues.apache.org/jira/browse/HIVE-13315
Project: Hive
Issue Type
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Liyin Tang commented on HIVE-2095:
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it looks good to me. Thanks Yongqiang
> auto
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Liyin Tang commented on HIVE-2095:
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I will take a look
> auto convert map j
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Liyin Tang commented on HIVE-1966:
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+1
> mapjoin operator should not load hashta
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Liyin Tang commented on HIVE-1965:
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+1
> Auto convert mapjoin should not throw ex
ed? Did I understand it right?
>
Thanks!
> Alicia
>
> On Mon, Dec 27, 2010 at 12:05 AM, Liyin Tang wrote:
>
> > Hi,
> > If multiple tables join on different join keys, it will be separated into
> > multiple MapRed Tasks.
> > Also the threshold of the sma
and map join them. What if t1 and t2 are not co-located with join keys?
> What
> if t1 and t2 together are bigger than 25M?
>
> Thanks in advance!
> On Thu, Dec 23, 2010 at 7:16 PM, Liyin Tang wrote:
>
> > Hi,
> > How large is t1 and t2 ?
> > if both of t1 and t2 i
Hi,
How large is t1 and t2 ?
if both of t1 and t2 is larger than 25M (a default threshold), the query
processor will do the common join.
Thanks
Liyin
On 23 December 2010 18:50, wrote:
> Hi,
>
> I set hive.auto.convert.join=true and run the following query:
>
> select t1.foo, count(t2.bar) from
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Liyin Tang updated HIVE-1845:
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Status: Patch Available (was: Open)
> Some attributes in the Eclipse template file is depreca
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Liyin Tang updated HIVE-1845:
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Attachment: hive-1845-1.patch
Update all the eclipse template files.
> Some attributes in the Ecli
: Liyin Tang
Assignee: Liyin Tang
In the eclipse template file, it will reference this jar file, which is
deprecated.
/@PROJECT@/build/metastore/hive-mod...@hive_version@.jar
So the correct one should be:
/@PROJECT@/build/metastore/hive-metasto...@hive_version@.jar
Just update all
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Liyin Tang updated HIVE-1842:
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Attachment: hive-1842-1.patch
Add the local flag to all the map red tasks, if the query is running
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Liyin Tang updated HIVE-1842:
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Status: Patch Available (was: Open)
Add the local flag to all the map red tasks, if the query is running
Issue Type: Sub-task
Components: Query Processor
Affects Versions: 0.4.1
Reporter: Liyin Tang
Assignee: Liyin Tang
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Liyin Tang updated HIVE-1830:
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Attachment: hive-1830-5.patch
1) Remove the debug statements
2) Add the memory threshold to group by desc
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Liyin Tang updated HIVE-1830:
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Attachment: hive-1830-4.patch
1) Add more descriptions in the config file
2) Set the memory usage of
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Liyin Tang updated HIVE-1830:
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Attachment: hive-1830-3.patch
Carefully measure the memory usage of map side group by.
Flush frequently
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Liyin Tang updated HIVE-1830:
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Attachment: hive-1830-2.patch
Add a new test: auto_join26.q
> mappers in group followed by joins
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Liyin Tang updated HIVE-1830:
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Attachment: hive-1830-1.patch
> mappers in group followed by joins may die
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Liyin Tang updated HIVE-1827:
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Attachment: hive-1827-1.patch
Add a new attribute isLocalMode in Task.
> Audit how many queries will
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Liyin Tang commented on HIVE-1832:
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Duplicate of Hive-1830
> Dynamically alloc
Project: Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Liyin Tang
Assignee: Liyin Tang
Right now, if a map join operator followed by a map-side group by, this map
reduce task will be memory intensive task.
Memory usage should be
Tang
Assignee: Liyin Tang
Hive can run query in local mode. It would be nice to track and audit how many
queries will be run in the local mode.
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Liyin Tang reassigned HIVE-1700:
Assignee: Liyin Tang
> Optimiza JDBM to make mapjoin fas
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Liyin Tang resolved HIVE-1700.
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Resolution: Won't Fix
Release Note:
The JDBM component has been removed from Hive.
No ne
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Liyin Tang updated HIVE-1811:
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Attachment: hive-1811-1.patch
The original showTime code has potential bug if the local task takes more
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Liyin Tang updated HIVE-1804:
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Attachment: hive-1804-3.patch
Since there are some other patches committed recently, I regenerate the
: 0.7.0
Reporter: Liyin Tang
Assignee: Liyin Tang
Fix For: 0.7.0
After the local tasks finished, show the how much time it takes
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Liyin Tang updated HIVE-1792:
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Attachment: hive-1792-4.patch
1) Remove unrelated change from this patch
2) Set the backup tag in the
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Liyin Tang commented on HIVE-1792:
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There will be 2 cases to run the common join.
On
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Liyin Tang updated HIVE-1792:
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Attachment: hive-1792-3.patch
Since Hive-1785 has been committed, I generate the diff again.
So this diff
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Liyin Tang commented on HIVE-1785:
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Thanks John's review and I have created a
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Liyin Tang updated HIVE-1810:
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Status: Patch Available (was: Open)
Patch is available
> a followup patch for changing the descript
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Liyin Tang updated HIVE-1810:
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Attachment: hive-1810-1.patch
change the hive-default.xml.
So new pre/post hook should implements the
-1810
Project: Hive
Issue Type: Sub-task
Reporter: Liyin Tang
Assignee: Liyin Tang
a followup patch for changing the description of hive.exec.pre/post.hooks in
conf/hive-default.xml
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Liyin Tang commented on HIVE-1792:
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Still need this change to tag on all the join t
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Liyin Tang updated HIVE-1792:
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Attachment: hive-1792-2.patch
> track the joins which are being converted to map-join automatica
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Liyin Tang reassigned HIVE-1808:
Assignee: Liyin Tang
> but in auto_join25.q
>
>
>
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Liyin Tang updated HIVE-1808:
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Summary: bug in auto_join25.q (was: but in auto_join25.q)
> bug in auto_join2
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Liyin Tang updated HIVE-1808:
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Attachment: hive-1808-1.patch
The bug fixed in this patch
> but in auto_join2
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Liyin Tang updated HIVE-1792:
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Attachment: (was: hive-1792-2.patch)
> track the joins which are being converted to map-j
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Liyin Tang updated HIVE-1792:
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Attachment: hive-1792-2.patch
The previous patch includes the fix of another jira(Hive-1808)
Now I
but in auto_join25.q
Key: HIVE-1808
URL: https://issues.apache.org/jira/browse/HIVE-1808
Project: Hive
Issue Type: Bug
Reporter: Liyin Tang
In this test case, there are 2 SET statements:
set
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Liyin Tang updated HIVE-1792:
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Attachment: hive-1792-1.patch
Add a new hook: MapJoinCounterHook, which will measure how many joins
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Liyin Tang updated HIVE-1804:
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Attachment: hive-1804-2.patch
Remove all the debug print statements.
Please review
> Mapjoin will f
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Liyin Tang updated HIVE-1785:
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Attachment: hive-1785_6.patch
Thanks for the careful review and sorry to submit the wrong patch before
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Liyin Tang updated HIVE-1804:
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Attachment: hive-1804-1.patch
If the partition desc is empty, then create an empty hashtable file for it
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Liyin Tang updated HIVE-1804:
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Status: Patch Available (was: Open)
If the parition desc is empty, just create a empty hash table file
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Liyin Tang updated HIVE-1785:
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Status: Patch Available (was: Open)
> change Pre/Post Query Hooks to take in 1 parameter: HookCont
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Liyin Tang updated HIVE-1797:
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Status: Patch Available (was: Open)
> Compressed the hashtable dump file before put into distribu
: Bug
Components: Query Processor
Affects Versions: 0.7.0
Reporter: Liyin Tang
Assignee: Liyin Tang
Fix For: 0.7.0
If there are some empty tables without any file associated, the map join will
fail.
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Liyin Tang updated HIVE-1785:
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Attachment: hive_1758_5.patch
1) make the old interface be deprecated
2) let the existing Prehook and
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Liyin Tang updated HIVE-1797:
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Attachment: hive-1797_3.patch
In this patch, all the hashtable dumped files will be compressed and
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Liyin Tang updated HIVE-1797:
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Attachment: hive-1797_2.patch
In this patch, all the hashtable dumped files will be compressed and
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Liyin Tang updated HIVE-1797:
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Attachment: (was: hive-1797_2.patch)
> Compressed the hashtable dump file before put into distribu
Clear empty files in Hive
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Key: HIVE-1798
URL: https://issues.apache.org/jira/browse/HIVE-1798
Project: Hive
Issue Type: Improvement
Reporter: Liyin Tang
Assignee: Liyin Tang
There are 4
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Liyin Tang updated HIVE-1797:
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Attachment: hive-1797.patch
Compress the hashtable dumped file by gzip before adding to distributed cache
: Improvement
Components: Query Processor
Affects Versions: 0.7.0
Reporter: Liyin Tang
Assignee: Liyin Tang
Clearly, the size of small table is the performance bottleneck for map join.
Because the size of the small table will affect the memory usage and dumped
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Liyin Tang updated HIVE-1785:
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Attachment: hive-1785_4.patch
In this patch, I add the Hook interface over Pre/PostExecute and
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Liyin Tang commented on HIVE-1785:
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How about adding one more layer over Pre/PostExe
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Liyin Tang updated HIVE-1785:
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Attachment: hive-1785_3.patch
In order to be compatible, we check whether the hook implements the
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_11.patch
When the local task runs out of memory, do NOT print any thing out and
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_10.patch
After discussing, we think the function: replaceWithConditionalTask is not
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_9.patch
some minor changes in ConditionalResolverCommonJoin.java
> Convert j
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_7.patch
In Task.java
public void replaceWithConditionalTask(ConditionalTask cndTsk
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_6.patch
Remove the getBackupTask interface from all the Conditional Resolver
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Liyin Tang updated HIVE-1642:
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Attachment: (was: hive-1642_5.patch)
> Convert join queries to map-join based on size of table/
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_5.patch
Add more detailed description on configuration xml file
Revert the
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Liyin Tang updated HIVE-1642:
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Attachment: hive-1642_5.patch
Add more descriptions to the configuration files.
Revert the DriverContext
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Liyin Tang commented on HIVE-1785:
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I generate the diff based on the Hive-1642.
Pl
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Liyin Tang updated HIVE-1785:
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Attachment: hive_1785_2.patch
Thanks for John's comments.
Now in the Driver.java:
for (PostExecut
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Liyin Tang updated HIVE-1642:
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Attachment: hive_1642_4.patch
This patch formats the output of local task.
> Convert join queries to
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Liyin Tang updated HIVE-1642:
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Attachment: hive_1642_2.patch
Thanks for the comments.
I have updated the patch according to the review
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Liyin Tang commented on HIVE-1642:
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There are 2 kinds of backup. 1) task level 2) br
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Liyin Tang commented on HIVE-1642:
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Thanks for reviewing.
1. I will add these parame
Feature
Components: Query Processor
Affects Versions: 0.7.0
Reporter: Liyin Tang
Assignee: Liyin Tang
Fix For: 0.7.0
We should be able to track how many queries (join) got converted to
map-join
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Liyin Tang updated HIVE-1785:
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Attachment: hive_1785_1.patch
In this patch I have changed the interface of pre hoook and post hook.
So
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Liyin Tang resolved HIVE-1688.
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Resolution: Fixed
Fix Version/s: 0.7.0
> In the MapJoinOperator, the code uses tag as al
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Liyin Tang commented on HIVE-1688:
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This bug has been fixed in Hive-1641 earlier and
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Liyin Tang commented on HIVE-1642:
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In the case: A left outer join B right outer join
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Liyin Tang updated HIVE-1642:
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Attachment: hive_1642_1.patch
> Convert join queries to map-join based on size of table/
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Liyin Tang commented on HIVE-1642:
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I just finished converting common join into map
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Liyin Tang updated HIVE-1754:
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Attachment: hive-1754_9.patch
> Remove JDBM component from Map J
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: hive-1754_7.patch
Change the code style according to the reviewer comments
> Remove J
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https://issues.apache.org/jira/browse/HIVE-1647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang resolved HIVE-1647.
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Resolution: Fixed
Release Note: This problem is fixed in Hive-1754
> Incorrect initialization
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https://issues.apache.org/jira/browse/HIVE-1775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang resolved HIVE-1775.
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Resolution: Fixed
Release Note: This bug is fixed in Hive-1754
> Assertation
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: hive-1754_5.patch
This patch clears the conflicts of test output file completely.
> Rem
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: hive-1754_4.patch
Resolved all the output conflicts in this patch
> Remove JDBM compon
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: Hive-1754_3.patch
Fix a bug when join value is null
Also fix the hive-1775
> Remove J
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https://issues.apache.org/jira/browse/HIVE-1775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929869#action_12929869
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Liyin Tang commented on HIVE-1775:
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resolved in patch hive-1754
> Asserta
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https://issues.apache.org/jira/browse/HIVE-1775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929480#action_12929480
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Liyin Tang commented on HIVE-1775:
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Yes. I can just comment out this asser
: Query Processor
Affects Versions: 0.6.0, 0.7.0
Reporter: Liyin Tang
Assignee: Liyin Tang
Fix For: 0.7.0
In the Groupby Operator:
Line 188: assert (inputObjInspectors.length == 1);
But this assertion may not necessary true
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This message is automatically
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: Hive-1754_2.patch
Remove JDBM from Hive completely
> Remove JDBM component from Map J
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928262#action_12928262
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Liyin Tang commented on HIVE-1754:
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This patch has some potential bugs. I will fi
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Attachment: Hive-1754.patch
> Remove JDBM component from Map J
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https://issues.apache.org/jira/browse/HIVE-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1754:
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Status: Patch Available (was: Open)
This patch modifies the following things
1) Remove the JDBM from
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https://issues.apache.org/jira/browse/HIVE-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang resolved HIVE-1702.
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Resolution: Won't Fix
Release Note: JDBM will be removed from Hive
> optimize JDBM
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https://issues.apache.org/jira/browse/HIVE-1733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang resolved HIVE-1733.
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Resolution: Not A Problem
Release Note: The JDBM will be removed from Hive
> Make the bucket s
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https://issues.apache.org/jira/browse/HIVE-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1756:
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Attachment: Hive-1756.patch
remove fatal.q
> failures in fatal.q in TestNegativeCliDri
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https://issues.apache.org/jira/browse/HIVE-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1757:
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Attachment: Hive-1757.patch
Remove some unnecessary print out statements
> test cleanup for Hive-1
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