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Russell Melick commented on HIVE-2036:
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To expand a bit on Marquis' comments
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Russell Melick updated HIVE-1644:
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Status: Patch Available (was: Open)
use filter pushdown for automatically accessing indexes
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.19.patch
Patch 19 ready for review.
https://reviews.apache.org/r/558
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(Updated 2011-05-01 19:20:02.130293)
Review request for hive.
Summary
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: 0.8.0
Reporter: Russell Melick
Running a query that uses indexing but doesn't return any results give an
exception.
{code} java.lang.IllegalArgumentException: Can not create a Path from an empty
string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82
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Russell Melick updated HIVE-2138:
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Attachment: index_auto_test_if_used.q
Attached test file (index_auto_test_if_used) that should
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Russell Melick updated HIVE-1644:
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Attachment: hive.log
I've attached the hive.log I get from running
{{{
ant test -Dtestcase
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Russell Melick commented on HIVE-1644:
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I can send it back out of the index handler
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Russell Melick commented on HIVE-1644:
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Unfortunately, having an empty array gives out
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(Updated 2011-04-29 00:01:06.921150)
Review request for hive.
Changes
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.18.patch
patch 18
I moved that logic into a helper method, but I'm
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.16.patch
Patch 16
One last problem. It doesn't appear the index
anything.
ql/src/test/results/clientpositive/index_auto_test_if_used.q.out
https://reviews.apache.org/r/558/#comment1109
We shouldn't be seeing this output. We're still generating the right plan,
but something is wrong when we run it.
- Russell
On 2011-04-23 06:41:49, Russell Melick
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(Updated 2011-04-23 06:41:49.007802)
Review request for hive.
Changes
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Components: Indexing
Affects Versions: 0.8.0
Reporter: Russell Melick
Show the indexInputFormat and indexIntermediateFile in the plan, to indicate
that the table scan's input is being filtered by the intermediate file. But,
we only want to do this when these values are non-null (could
: Indexing
Affects Versions: 0.8.0
Reporter: Russell Melick
After processing a predicate, there are potentially multiple index rewrites
possible. Currently, we just choose the first one. However, there are
probably heuristics for choosing certain rewrites over others, based
MapredWork
- Russell
On 2011-04-22 03:50:54, Russell Melick wrote:
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(Updated
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(Updated 2011-04-16 06:04:26.681814)
Review request for hive.
Changes
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.14.patch
Include new unit tests. Also asked a few more questions
didn't see any way to delay the
building, so I don't know how to have an index with unbuilt partitions.
- Russell
On 2011-04-16 06:04:26, Russell Melick wrote:
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(Updated 2011-04-15 08:08:14.640798)
Review request for hive.
Changes
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.13.patch
I have several questions on the review board. I also fixed
: Indexing
Affects Versions: 0.8.0
Reporter: Russell Melick
During automatic use of indexes, we analyze the query predicate to pull out
what we can use the index on. Not all of the predicate can necessarily be
processed with a single index. Currently, we return the residual
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Review request for hive.
Summary
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Review request for HIVE-1644.12.patch
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.12.patch
Includes check to make sure that all partitions in the query exist
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Russell Melick updated HIVE-1644:
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Affects Version/s: (was: 0.7.0)
0.8.0
Release Note: Enables
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Russell Melick commented on HIVE-1644:
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I'm having trouble getting the partitions from
: Indexing
Affects Versions: 0.8.0
Reporter: Russell Melick
We want to make sure that automatically using indexes doesn't make the query
worse. For example, after scanning the index table, it might still need to
scan the whole base table. In this case, we would much rather just
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.10.patch
Yongqiang, I think I fixed the double processing by using
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.8.patch
HIVE-1644.8.patch
Fixed unit tests per John and Yonqiang. Cleaned
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.7.patch
HIVE-1744.7.patch:
@Yongqiang, I fixed the problems
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.5.patch
HIVE-1644.5.path
I have moved the processing
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.6.patch
New patch fixes the NPE by linking the SemanticAnalyzer
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.3.patch
Much cleaner patch, which includes moving the re-entrant QL
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Russell Melick commented on HIVE-1644:
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Make sure we update the admin configuration
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.2.patch
Includes modification of MapReduce tasks to use index input format
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Russell Melick commented on HIVE-1644:
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We also spoke about changing the re-entrant
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Work on HIVE-1644 started by Russell Melick.
use filter pushdown for automatically accessing indexes
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Russell Melick updated HIVE-1644:
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Attachment: HIVE-1644.1.patch
I'm having trouble joining the operator trees together. Within
connecting remotely with jdb is not working. Any help is
appreciated. I've detailed my process below.
Thanks,
Russell Melick
First, I check out a fresh copy of trunk:
svn checkout http://svn.apache.org/repos/asf/hive/trunk hive
Then, I compile it for debugging, as I found at
http
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Russell Melick updated HIVE-1497:
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Attachment: HIVE-1497.7.patch
Pluralized col_names in the FORMATTED column header
support
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Russell Melick updated HIVE-1497:
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Status: Patch Available (was: Open)
support COMMENT clause on CREATE INDEX, and add new command
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Russell Melick updated HIVE-1497:
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Attachment: HIVE-1497.6.patch
* Removed commented out code
* Added a test case with index
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Russell Melick updated HIVE-1497:
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Status: Patch Available (was: Open)
support COMMENT clause on CREATE INDEX, and add new command
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Russell Melick commented on HIVE-1497:
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Should also update the Index wiki:
http
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Russell Melick updated HIVE-1497:
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Attachment: HIVE-1497.4.patch
support COMMENT clause on CREATE INDEX, and add new commands
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Russell Melick updated HIVE-1497:
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Attachment: hive-1497.p3.patch
Coding complete, but unit tests not added yet. Does not deal
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