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Ning Zhang reassigned HIVE-893:
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Assignee: Ning Zhang
Thrift serde doesn't work with the new version of thrift
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Ning Zhang updated HIVE-893:
Attachment: Hive-893.patch
patch attached.
Thrift serde doesn't work with the new version of thrift
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Ning Zhang reassigned HIVE-887:
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Assignee: Ning Zhang
Allow SELECT col without a mapreduce job
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Ning Zhang commented on HIVE-887:
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Currently the query select * from T [limit n] will
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Ning Zhang commented on HIVE-887:
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After looking more carefully at the code, the fetch task
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Ning Zhang commented on HIVE-881:
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It's probably not hard to create external table in CTAS.
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Ning Zhang updated HIVE-881:
Attachment: Hive-881.patch
Hive-881.patch fixes this bug.
CTAS does not work on with fields terminator
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Ning Zhang updated HIVE-881:
Attachment: Hive-881_2.patch
add support to LineTerminator, FieldEscape, etc in row format. Also fixed an
CTAS does not work on with fields terminator
Key: HIVE-881
URL: https://issues.apache.org/jira/browse/HIVE-881
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
Hive server does not work with standalone mode
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Key: HIVE-875
URL: https://issues.apache.org/jira/browse/HIVE-875
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
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Ning Zhang reassigned HIVE-876:
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Assignee: Ning Zhang
UDFOPNegative should deal with NULL gracefully
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Ning Zhang updated HIVE-876:
Attachment: Hive-876.patch
fixes the issue.
UDFOPNegative should deal with NULL gracefully
error with cast(null as short)
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Key: HIVE-877
URL: https://issues.apache.org/jira/browse/HIVE-877
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
Assignee: Ning Zhang
also
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Ning Zhang updated HIVE-877:
Attachment: Hive-877.patch
Verified this is not a bug, but a syntax error in the test case. Adding the two
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Ning Zhang updated HIVE-865:
Attachment: HIVE-865.patch
This patch added solves the Out-of-memory exception thrown by MapJoinOperator.
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Ning Zhang updated HIVE-865:
Attachment: HIVE-865_2.patch
Cleaned up the comments in HIVE-865_2.patch
mapjoin: memory leak for same key
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Ning Zhang commented on HIVE-784:
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Subqueries can be correlated or uncorrelated to its outer
semi joins
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Key: HIVE-870
URL: https://issues.apache.org/jira/browse/HIVE-870
Project: Hadoop Hive
Issue Type: New Feature
Reporter: Ning Zhang
Assignee: Ning Zhang
Semi-join is an efficient way to unnest
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Ning Zhang commented on HIVE-784:
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Created a new task HIVE-870 for semi-join. Hive users
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Ning Zhang commented on HIVE-865:
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The mem leak turns out to be caused by the MRU cache
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Ning Zhang updated HIVE-31:
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Attachment: HIVE-31_2.patch
fixes issues raised by Namit and Prasad.
1) output file is the table only in the
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Ning Zhang commented on HIVE-31:
Additional changes in HIVE-31_2.patch:
3) added sort by and
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Ning Zhang updated HIVE-31:
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Attachment: HIVE-31.patch
Attaching HIVE-31.patch.
This patch implements the CTAS feature:
1) The select
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Ning Zhang reassigned HIVE-784:
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Assignee: Ning Zhang
Support subqueries in Hive
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Key:
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Ning Zhang commented on HIVE-31:
Namit's comments:
Due to jira connection problems (and
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Ning Zhang commented on HIVE-31:
Chatted with Prasad offline. The decision to move the task of
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Ning Zhang commented on HIVE-819:
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Looks good.
+1
Add lazy decompress ability to RCFile
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Ning Zhang commented on HIVE-819:
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A few general comments:
1) Can you briefly summarize
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Ning Zhang updated HIVE-790:
Attachment: Hive_790_0.4.0.patch
patch Hive_790_0.4.0.patch is the patch for branch 0.4.0.
race condition
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Ning Zhang updated HIVE-756:
Attachment: hive-756_3.patch
the patch hive-756_3.patch fixed the issue in select * from t. Passed all unit
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Ning Zhang commented on HIVE-790:
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Tested performance on a larger data set: the base table is
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Ning Zhang updated HIVE-790:
Attachment: Hive-790_4.patch
Attached a new patch Hive-790_4.patch that solves some other issues when
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Ning Zhang commented on HIVE-790:
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These functions lacks the CLOSE state check at the
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Ning Zhang commented on HIVE-790:
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Discussed with Zheng offline. Zheng's proposal works as
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Ning Zhang updated HIVE-790:
Attachment: Hive-790_3.patch
Incorporated Zheng's comments.
race condition related to ScriptOperator +
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Ning Zhang commented on HIVE-790:
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Measured the performance of UnionOperator.processOp() sync
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Ning Zhang commented on HIVE-790:
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BTW, the performance testing is on the test cluster, so no
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Ning Zhang updated HIVE-790:
Attachment: Hive-790.patch
This patch solves the bug in UNION ALL two SCRIPT operators but only show
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Ning Zhang commented on HIVE-790:
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@zheng, I'll fix the comment and the test query.
As for
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Ning Zhang updated HIVE-790:
Attachment: Hive-790_2.patch
This patch incorporated Zheng's comments.
Also changed the
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Ning Zhang commented on HIVE-790:
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The above query still has semantics analysis error. Here's
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Ning Zhang commented on HIVE-790:
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The 6-row one is correct since it is union all operator.
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Ning Zhang commented on HIVE-790:
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Another related bug:
-- bug1
select * from (
select
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Ning Zhang commented on HIVE-790:
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Found out the reason for bug2: nzhang_tt is stored as
RCFile results missing columns from UNION ALL
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Key: HIVE-796
URL: https://issues.apache.org/jira/browse/HIVE-796
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
create
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Ning Zhang commented on HIVE-796:
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Great! it works. Thanks for the quick fix.
RCFile
Support subqueries in Hive
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Key: HIVE-784
URL: https://issues.apache.org/jira/browse/HIVE-784
Project: Hadoop Hive
Issue Type: New Feature
Components: Query Processor
Reporter: Ning Zhang
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Ning Zhang updated HIVE-784:
Description: Hive currently only support views in the FROM-clause, some
Facebook use cases suggest that Hive
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Ning Zhang updated HIVE-778:
Attachment: hive-778.patch
This patch include the fix in the Hive.g to allow passing UDF's that appear to
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Ning Zhang commented on HIVE-774:
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It's a good point Edward. In fact SQL does not standardize
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Ning Zhang commented on HIVE-778:
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The current revision does not support describe function
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Ning Zhang updated HIVE-774:
Attachment: hive-774.patch
Fix the behavior of / and add DIV
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make div as infix operator
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Key: HIVE-776
URL: https://issues.apache.org/jira/browse/HIVE-776
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
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This message is automatically generated by
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Ning Zhang reassigned HIVE-776:
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Assignee: Ning Zhang
make div as infix operator
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Key:
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Ning Zhang updated HIVE-776:
Attachment: hive-776.patch
make div as infix operator
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Key:
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Ning Zhang updated HIVE-776:
Status: Patch Available (was: Open)
make div as infix operator
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Ning Zhang commented on HIVE-756:
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Good point Yongqiang. I'll check whether there is any plac
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Ning Zhang commented on HIVE-756:
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The ret.set(i, BytesRefWritable.ZeroBytesRefWritable); in
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Ning Zhang commented on HIVE-756:
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@zheng,
1) line 122 in the patch should take care of this:
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Ning Zhang updated HIVE-756:
Attachment: hive-756_2.patch
another patch containing changes addressing some of the comments.
performance improvement for RCFile and ColumnarSerDe in Hive
Key: HIVE-756
URL: https://issues.apache.org/jira/browse/HIVE-756
Project: Hadoop Hive
Issue Type: Improvement
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Ning Zhang updated HIVE-756:
Attachment: hive-756.patch
performance improvement for RCFile and ColumnarSerDe in Hive
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Ning Zhang reassigned HIVE-747:
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Assignee: Ning Zhang
void type (null column) cannot be UNIONed with other type
void type (null column) cannot be UNIONed with other type
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Key: HIVE-747
URL: https://issues.apache.org/jira/browse/HIVE-747
Project: Hadoop Hive
Issue Type: Bug
Components:
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Ning Zhang commented on HIVE-734:
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Namit, thanks for the comments! I have started a new JIRA
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Ning Zhang updated HIVE-734:
Attachment: 734.patch
fix attached.
problem in dealing with null
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Ning Zhang commented on HIVE-734:
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Cool!
Thank you very much!
Ning
problem in dealing
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Ning Zhang commented on HIVE-734:
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That's great! It works (and my test queries on NULL also
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Ning Zhang commented on HIVE-734:
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BTW, I tried joins and it doesn't handle NULL semantics
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Ning Zhang commented on HIVE-734:
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In the failing query, there is no column corresponding to
NULL is not handled correctly in join
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Key: HIVE-741
URL: https://issues.apache.org/jira/browse/HIVE-741
Project: Hadoop Hive
Issue Type: Bug
Reporter: Ning Zhang
Assignee: Ning
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Ning Zhang updated HIVE-741:
Description:
With the following data in table input4_cb:
KeyValue
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NULL
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Ning Zhang commented on HIVE-734:
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Thanks guys! I figured that out too. Debugging now.
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Ning Zhang commented on HIVE-734:
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The error is threw during semantic analysis where the
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Ning Zhang commented on HIVE-734:
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Thanks for the pointer Zheng. We certainly can use
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Ning Zhang commented on HIVE-734:
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I wasn't able to get an example in HIVE. I tried to insert
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Ning Zhang reassigned HIVE-651:
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Assignee: (was: Ning Zhang)
cleanup for group by in semanticanalyzer
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Ning Zhang reassigned HIVE-594:
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Assignee: (was: Ning Zhang)
Add isNull, hashCode, equals, compareTo to ObjectInspector
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Ning Zhang reassigned HIVE-535:
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Assignee: (was: Ning Zhang)
Memory-efficient hash-based Aggregation
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Ning Zhang reassigned HIVE-584:
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Assignee: (was: Ning Zhang)
Clean up global and ThreadLocal variables in Hive
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Ning Zhang reassigned HIVE-51:
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Assignee: Ning Zhang (was: Zheng Shao)
Generate and accept JSON as the input-output format from mappers
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Ning Zhang reassigned HIVE-594:
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Assignee: Ning Zhang (was: Zheng Shao)
Add isNull, hashCode, equals, compareTo to ObjectInspector
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Ning Zhang reassigned HIVE-651:
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Assignee: Ning Zhang
cleanup for group by in semanticanalyzer
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Ning Zhang reassigned HIVE-535:
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Assignee: Ning Zhang
Memory-efficient hash-based Aggregation
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Ning Zhang reassigned HIVE-570:
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Assignee: Ning Zhang
Ability to monitor the progress of a query
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Ning Zhang reassigned HIVE-584:
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Assignee: Ning Zhang
Clean up global and ThreadLocal variables in Hive
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