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Min Zhou commented on HIVE-537:
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first approach:
O(mN/p) + O(m(N/p log (N/p))) + O(mN/r) + O
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Min Zhou commented on HIVE-556:
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it's very common for us, and blocked us badly. we ofen have
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Min Zhou commented on HIVE-556:
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@Ashish
I agree with you, map-side joins is okay. however
Issue Type: Improvement
Components: Query Processor
Affects Versions: 0.4.0
Reporter: Min Zhou
Assignee: Min Zhou
Fix For: 0.4.0
Right now, command 'create temporary function' only support udf.
we can also let user write their udaf
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Min Zhou updated HIVE-555:
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Attachment: HIVE-555-1.patch
patch w/o testcase
create temporary function support not only udf, but also udaf
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-all-v2.patch
fixed issues commented by Zheng, UDFArgumentException
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-all-v3.patch
catch UDFArgumentLengthException.
Move size, if, isnull, isnotnull
let hive support theta join
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Key: HIVE-556
URL: https://issues.apache.org/jira/browse/HIVE-556
Project: Hadoop Hive
Issue Type: New Feature
Affects Versions: 0.4.0
Reporter: Min Zhou
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https://issues.apache.org/jira/browse/HIVE-338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Min Zhou updated HIVE-338:
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Attachment: hiveserver-v2.patch
* exec/FunctionTask.java: is it necessary to specify the loader
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Min Zhou updated HIVE-338:
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Attachment: hiveserver-v2.patch
oops, made a mistake when uploading former one.
Executing cli commands
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Min Zhou updated HIVE-338:
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Attachment: (was: hiveserver-v2.patch)
Executing cli commands into thrift server
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Min Zhou updated HIVE-338:
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Comment: was deleted
(was: oops, made a mistake when uploading former one. )
Executing cli commands
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-all-v1.patch
done.
Move size, if, isnull, isnotnull to GenericUDF
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Min Zhou commented on HIVE-521:
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I don't think assert is a good way detecting runtime
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Min Zhou commented on HIVE-338:
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# I thought we need a more efficient RPC rather than thrift
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-IF.patch
support if now.
Move size, if, isnull, isnotnull to GenericUDF
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Min Zhou reassigned HIVE-521:
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Assignee: Min Zhou
Move size, if, isnull, isnotnull to GenericUDF
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-IF-2.patch
corrected a typo
Move size, if, isnull, isnotnull to GenericUDF
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Min Zhou commented on HIVE-521:
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Zheng, I don't quite understand why isnull isnotnull need
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-IF-3.patch
add 4 unit test cases, 1 positive, 3 negatives.
Move size, if, isnull
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Min Zhou updated HIVE-521:
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Attachment: HIVE-521-IF-4.patch
can work if the first expression evaluates to null now.
Move size, if, isnull
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https://issues.apache.org/jira/browse/HIVE-513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Min Zhou updated HIVE-513:
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Attachment: HIVE-513.patch
it's okay now, select result:
{code}
my string
my string
...
{code}
UDFToString
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Min Zhou reassigned HIVE-513:
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Assignee: Min Zhou
UDFToString bug
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Key: HIVE-513
URL
[UDF] new string function INSTR(str,substr)
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Key: HIVE-515
URL: https://issues.apache.org/jira/browse/HIVE-515
Project: Hadoop Hive
Issue Type: Bug
Reporter: Min Zhou
UDF for string
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Min Zhou updated HIVE-515:
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Attachment: HIVE-515.patch
patch
[UDF] new string function INSTR(str,substr
Components: Query Processor
Affects Versions: 0.4.0
Reporter: Min Zhou
Assignee: Min Zhou
Fix For: 0.4.0
ELT(N,str1,str2,str3,...)
Returns str1 if N = 1, str2 if N = 2, and so on. Returns NULL if N is less than
1 or greater than the number of arguments
UDFToString bug
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Key: HIVE-513
URL: https://issues.apache.org/jira/browse/HIVE-513
Project: Hadoop Hive
Issue Type: Bug
Components: Query Processor
Reporter: Min Zhou
execute a query like below
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https://issues.apache.org/jira/browse/HIVE-512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Min Zhou updated HIVE-512:
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Attachment: HIVE-512.patch
patch w/o unit test. the api of GenericUDF leaded something inconvenient to
custom
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Min Zhou commented on HIVE-503:
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consider about a real world example
Approach 1:
{code:sql
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Min Zhou updated HIVE-513:
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Description:
execute a query like below,
{noformat}
select cast('my string' as string) from pokes;
{noformat
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Min Zhou commented on HIVE-503:
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oops, my mistake. 2 shoule be select distinct col1, distinct
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Min Zhou edited comment on HIVE-503 at 5/22/09 1:17 AM:
oops, my
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Min Zhou edited comment on HIVE-503 at 5/22/09 6:00 AM:
oops, my
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Min Zhou commented on HIVE-503:
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Is that intermediate data outputed by mappers for shuffling
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Min Zhou updated HIVE-503:
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Description:
distinct
# OK
{code:sql}
select
col
from
tbl
{code}
# FAILED
{code:sql}
select
col1
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Min Zhou updated HIVE-503:
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Description:
distinct
# OK
{code:sql}
select
col
from
tbl
{code}
# FAILED
{code:sql}
select
col1
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Min Zhou updated HIVE-503:
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Description:
distinct
# OK
{code:sql}
select
col
from
tbl
{code}
# FAILED
{code:sql}
select
col1
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Min Zhou updated HIVE-503:
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Description:
distinct
# OK
{code:sql}
select
col
from
tbl
{code}
# FAILED
{code:sql}
select
col1
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Min Zhou updated HIVE-503:
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Description:
h4.distinct
# OK
{code:sql}
select
col
from
tbl
{code}
# FAILED
{code:sql}
select
col1
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Min Zhou edited comment on HIVE-338 at 5/13/09 4:42 AM:
support add
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Min Zhou commented on HIVE-78:
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Is there any further progess on this issue?
Authentication
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https://issues.apache.org/jira/browse/HIVE-322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12682003#action_12682003
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Min Zhou commented on HIVE-322:
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Hi Joydeep,
pls check out this jira https://issues.apache.org
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Min Zhou updated HIVE-338:
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Attachment: hiveserver-v1.patch
support add file/jar now
python example
#!/usr/bin/env python
import sys
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Min Zhou edited comment on HIVE-338 at 3/12/09 10:53 PM:
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support add
Affects Versions: 0.3.0
Reporter: Min Zhou
Let thrift server support set, add/delete file/jar and normal HSQL query.
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Min Zhou commented on HIVE-322:
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Files reside in tmpfiles, Jars in tmpjars of hadoop system
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Min Zhou commented on HIVE-322:
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The add/delete/list resource ...' command is only supported
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Min Zhou commented on HIVE-322:
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Hey Joydeep, I'll try to implement it, however, we will make
Versions: 0.3.0
Reporter: Min Zhou
Attachments: daemon.patch
I write two shell script to start and stop hive thrift server more convenient.
usage:
bin/hive --service start-hive [HIVE_PORT]
bin/hive --service stop-hive
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You
Versions: 0.3.0
Reporter: Min Zhou
Attachments: daemon.patch
I write two shell script to start and stop hive thrift server more convenient.
usage:
bin/hive --service start-hive [HIVE_PORT]
bin/hive --service stop-hive
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You
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Min Zhou updated HIVE-322:
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Attachment: registerjars2.patch
The create function statement loads a function class staticly from
Infrastructure
Affects Versions: 0.3.0
Reporter: Min Zhou
Attachments: daemon.patch
I write two shell script to start and stop hive thrift server more convenient.
usage:
bin/hive --service start-hive [HIVE_PORT]
bin/hive --service stop-hive
--
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Min Zhou updated HIVE-329:
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Attachment: daemon.patch
patch.
start and stop hive thrift server in daemon mode
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Min Zhou commented on HIVE-322:
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I am considering adding a register statement for registering
Affects Versions: 0.3.0
Reporter: Min Zhou
Priority: Critical
when loading data in non-supergroup user of hadoop, hadoop will throw a
AccessControlException bacuase Hive try to do write operation at /tmp
directory.
This is obviously not allowed.
see line 752 in Hive.java
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Min Zhou updated HIVE-322:
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Attachment: registerjars1.patch
it works, now.
hive register '/home/zhoumin/myudf.jar' ;
OK
Time taken: 0.141
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Min Zhou updated HIVE-324:
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Attachment: hive.patch
Since it's a temporary path will remove in the end of that function, we can
use
Type: Bug
Components: Query Processor
Affects Versions: 0.3.0
Reporter: Min Zhou
Priority: Blocker
CREATE TEMPORARY FUNCTION strlen AS 'com.taobao.hadoop.hive.udf.UdfStringLength'
I found the ClassLoader cannot load my UDF when doing FunctionTask, because
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Min Zhou updated HIVE-322:
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Description:
I found the ClassLoader cannot load my UDF when doing FunctionTask, because the
ClassLoader hasnot
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Min Zhou updated HIVE-322:
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Description:
I found the ClassLoader cannot load my UDF when doing FunctionTask, because the
ClassLoader hasnot
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https://issues.apache.org/jira/browse/HIVE-317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Min Zhou updated HIVE-317:
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Attachment: hiveserver.patch
solution
HiveServer can not define its port correctly
Affects Versions: 0.3.0
Reporter: Min Zhou
HiveServer.java accept one argument stands for the port of this server, but I
found that can not accept this argument.
By digging into the source code, I found it may caused by these lines of main
function.
if (args.length 1
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