/translator/HiveGBOpConvUtil.java
(line 730)
<https://reviews.apache.org/r/43115/#comment178784>
Why is this being changed on MapSide RS.
I thought the issue was with distincts on ReduceSide GB when map side is
turned off.
- John Pullokkaran
On Feb. 2, 2016, 10:16 p.m., Hari Sankar Si
/translator/HiveGBOpConvUtil.java
(line 225)
<https://reviews.apache.org/r/43115/#comment178783>
Instead of walking the expression you could keep a map of inputref to
exprnode.
- John Pullokkaran
On Feb. 2, 2016, 10:16 p.m., Hari Sankar Sivarama Subramaniyan
ul/non successful execution)
- John Pullokkaran
On Feb. 1, 2016, 4:36 p.m., Jesús Camacho Rodríguez wrote:
>
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- John Pullokkaran
On Jan. 26, 2016, 8:10
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- John Pullokkaran
On Jan. 21, 2016, 7:46
)
<https://reviews.apache.org/r/41807/#comment177571>
Could we write keys as expression
i.e instead of keys
RS_9:_col0=RS_11:d_date_sk
- John Pullokkaran
On Jan. 21, 2016, 7:46 a.m., pengcheng xiong wrote:
>
> ---
)
<https://reviews.apache.org/r/41807/#comment177570>
We are missing info on join type: inner vs outer
- John Pullokkaran
On Jan. 21, 2016, 7:46 a.m., pengcheng xiong wrote:
>
> ---
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- John Pullokkaran
On Jan. 25, 2016, 7:20
er operators?
HiveFilter, HiveProject .
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveRulesRegistry.java
(line 34)
<https://reviews.apache.org/r/42190/#comment176996>
Does this needs to be multimap?
- John Pullokkaran
On Jan. 21, 2016, 10:45 p.m., Jesús Camac
e/ql/stats/StatsUtils.java (line 1563)
<https://reviews.apache.org/r/42487/#comment176980>
Why is this needed?
Seems like its not used.
- John Pullokkaran
On Jan. 22, 2016, 7:09 p.m., pengcheng xiong wrote:
>
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- John Pullokkaran
On Jan. 21, 2016, 11:08
)
<https://reviews.apache.org/r/42521/#comment176140>
May be change this to "Semantic error"
Also why do we need a generic error
- John Pullokkaran
On Jan. 19, 2016, 9:03 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
>
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- John Pullokkaran
On Jan. 18, 2016, 2:40
/HiveRelMdDistribution.java
<https://reviews.apache.org/r/42281/#comment175650>
Why is this removed?
- John Pullokkaran
On Jan. 15, 2016, 7:10 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically generated e
281/#comment175623>
Add a TODO: to handle CorrelationId
- John Pullokkaran
On Jan. 15, 2016, 7:10 a.m., pengcheng xiong wrote:
>
> ---
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> h
Laljo John Pullokkaran created HIVE-12867:
-
Summary: Semantic Exception Error Msg should be with in the range
of "1 to 1"
Key: HIVE-12867
URL: https://issues.apache.org/jira/browse/
245)
<https://reviews.apache.org/r/41297/#comment173867>
May be use a local var to store the str value; this way we could avoid
duplicating logic at 2 places ?
- John Pullokkaran
On Jan. 7, 2016, 9:17 p.m., Ashutosh Chauhan
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- John Pullokkaran
On Jan. 7, 2016, 9:17 p.m
267)
<https://reviews.apache.org/r/41297/#comment171861>
It may be better to remove toStringTree and replace it with
toLowerStringTree.
Since in Hive all col names, udf/udaf are case insensitive, we might be ok
if we make only literals case sensitive.
- John Pullokkaran
On D
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- John Pullokkaran
On Dec. 21, 2015, 5:44
/HiveReduceExpressionsRule.java
(line 320)
<https://reviews.apache.org/r/40865/#comment171729>
Remove this code; seems like not used.
- John Pullokkaran
On Dec. 21, 2015, 5:44 p.m., pengcheng xiong wrote:
>
> ---
/HiveReduceExpressionsRule.java
(line 320)
<https://reviews.apache.org/r/40865/#comment171507>
Rename class?
- John Pullokkaran
On Dec. 19, 2015, 12:28 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically gener
ious hepPlan and check for null
ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java (line 1267)
<https://reviews.apache.org/r/40865/#comment171505>
Could we add executor to previous hepPlan and check for null
- John Pullokkaran
On Dec. 19, 2015, 12:28 a.m., pen
/translator/RexNodeConverter.java
(line 334)
<https://reviews.apache.org/r/40865/#comment171500>
Hive's null literal has void type.
This is handled down in void switch.
So we might want to switch calcite null literal to void.
- John Pullokkaran
On Dec. 19, 2015, 12:28 a.m.
he.org/r/40865/#comment171494>
Why add milli seconds?
- John Pullokkaran
On Dec. 19, 2015, 12:28 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically generated e-mail. To reply, visit:
> https
<https://reviews.apache.org/r/40865/#comment171490>
Why are we looking at operands arguments?
- John Pullokkaran
On Dec. 19, 2015, 12:28 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically generated e-mail. To
if union's input is synthetic limit) then i think we should remove it.
May be we should enhance HiveSortRemoveRule to look for pattern
SortRel-union-SortRel and remove synthetic SortRel below union if it has sort
in it.
Otherwise we end up paying double sorting cost.
- John P
167)
<https://reviews.apache.org/r/41457/#comment171356>
This is fragile.
State will have to be maintained; i.e unset if a filter merge happened.
- John Pullokkaran
On Dec. 18, 2015, 5:28 p.m., Jesús Camacho Rodríguez
(line 491)
<https://reviews.apache.org/r/41457/#comment171355>
This is fragile; i.e reusing the flag whether to run CBO or not for whether
CBO was actually run successfully.
We already keep state in parsecontext about this.
- John Pullokkaran
On Dec. 18, 2015, 5:28 p.m.,
izer/calcite/rules/HiveSortProjectTransposeRule.java
(line 10)
<https://reviews.apache.org/r/41457/#comment171350>
These seems cosmetic, do we need these?
- John Pullokkaran
On Dec. 18, 2015, 5:28 p.m., Jesús Camacho Rodríguez wrote:
>
> --
(line 110)
<https://reviews.apache.org/r/41457/#comment171344>
In the CBO Success path the additional const prop seems unnecessary. All we
have done between two const prop is is synthetic join predicates (not null
predicates) && Simple predicate push down.
- John Pullokkara
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- John Pullokkaran
On Dec. 17, 2015, 10:47
ld really be
if ((RexLiteral.intValue(sort.offset) + RexLiteral.intValue(sort.fetch)) <
RelMetadataQuery.getRowCount(input)) {
}
- John Pullokkaran
On Dec. 17, 2015, 10:09 p.m., pengcheng xiong wrote:
>
> ---
>
he flag that signifies its use
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveSortUnionReduceRule.java
(line 106)
<https://reviews.apache.org/r/40589/#comment171019>
Shouldn't this be < instead of >=.
- John Pullokkaran
On Dec. 16, 2015, 6:4
e.java
(line 94)
<https://reviews.apache.org/r/40589/#comment171013>
In case of pure oder by fetch will be null.
Wouldn't "RexLiteral.intValue(sort.fetch)" result in an NPE?
- John Pullokkaran
On Dec. 16, 2015, 6:46
(line 104)
<https://reviews.apache.org/r/41457/#comment170852>
What about const propagation?
- John Pullokkaran
On Dec. 16, 2015, 7:14 p.m., Jesús Camacho Rodríguez wrote:
>
> ---
> This is an automatically generated e
stack trace?
Log it instead
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveReduceExpressionsRule.java
(line 235)
<https://reviews.apache.org/r/40865/#comment170849>
Nit Pick: space
- John Pullokkaran
On Dec. 17, 2015, 1:26 a.m., pen
/HiveRelFactories.java
(line 41)
<https://reviews.apache.org/r/40865/#comment170845>
Remove trailing space.
- John Pullokkaran
On Dec. 17, 2015, 1:26 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically generated e
/HiveRelFactories.java
(line 49)
<https://reviews.apache.org/r/40865/#comment170843>
What about rest of the factories?
- John Pullokkaran
On Dec. 17, 2015, 1:26 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically g
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- John Pullokkaran
On Dec. 15, 2015, 2:26
(line 1071)
<https://reviews.apache.org/r/40589/#comment170171>
This should be added to previous hepplan invocation so that limit can be
pushed as low as possible.
Ex: Limit-Sel-Union-Join-Proj-TS1
TS2
- John Pullokkaran
On Dec. 14, 2015, 6:
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- John Pullokkaran
On Dec. 12, 2015, 12:53
(line 539)
<https://reviews.apache.org/r/41051/#comment169827>
Why don't we use functionName instead of expressionTree.getChild(0) ?
- John Pullokkaran
On Dec. 7, 2015, 9:11 p.m., Hari Sankar Sivarama Subrama
(line 537)
<https://reviews.apache.org/r/41051/#comment169791>
What about Window Functions that is not valid?
Check gen plan if it handles it correctly.
If not then that should also be covered.
ex: select average(x) over() from t1;
- John Pullokkaran
On Dec. 7, 2015
Laljo John Pullokkaran created HIVE-12590:
-
Summary: Repeated UDAFs with literals can produce incorrect result
Key: HIVE-12590
URL: https://issues.apache.org/jira/browse/HIVE-12590
Project
/HiveSortUnionReduceRule.java
(line 110)
<https://reviews.apache.org/r/40589/#comment168155>
what if the previous limit got pushed past project/join due to
limitjointranspose rules.
Then this will fire in a loop.
Limit-Union-Proj-Limit
- John Pullokkaran
On Nov. 23, 2
ould then add this rule to where limit push through join is.
- John Pullokkaran
On Nov. 23, 2015, 5:59 a.m., pengcheng xiong wrote:
>
> ---
> This is an automatically generated e-mail. To reply, visit:
&
Laljo John Pullokkaran created HIVE-12559:
-
Summary: Vectorization on MR produces different results
Key: HIVE-12559
URL: https://issues.apache.org/jira/browse/HIVE-12559
Project: Hive
Laljo John Pullokkaran created HIVE-12524:
-
Summary: SemiJoinProjectTranspose Rule in CBO is not firing
Key: HIVE-12524
URL: https://issues.apache.org/jira/browse/HIVE-12524
Project: Hive
>Congrats John!
>
>
>On Tue, Nov 24, 2015 at 4:41 PM, Pengcheng Xiong
>wrote:
>> Congrats! John!
>>
>> On Wed, Nov 25, 2015 at 6:59 AM, Ashutosh Chauhan
>> wrote:
>>
>>> On behalf of the Hive PMC I am delighted to announce John Pullokka
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- John Pullokkaran
On Nov. 18, 2015, 10:40
This is an automatically generated e-mail. To reply, visit:
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-------
On Nov. 16, 2015, 6:54 p.m., John Pullokkaran wrote:
>
> -
Laljo John Pullokkaran created HIVE-12478:
-
Summary: Improve Hive/Calcite Trasitive Predicate inference
Key: HIVE-12478
URL: https://issues.apache.org/jira/browse/HIVE-12478
Project: Hive
ply, visit:
https://reviews.apache.org/r/40359/#review106759
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>
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On Nov. 16, 2015, 6:54 p.m., John Pullokkaran wrote:
>
> ---
Laljo John Pullokkaran created HIVE-12423:
-
Summary: Remove Union Operator in Physical Compiler
Key: HIVE-12423
URL: https://issues.apache.org/jira/browse/HIVE-12423
Project: Hive
/vectorized_shufflejoin.q.out f32cc38
Diff: https://reviews.apache.org/r/40359/diff/
Testing
---
HIVE QA
Thanks,
John Pullokkaran
e the trait from project input. Practically Once sort is introduced
only ordering trait can survive.
- John Pullokkaran
On Nov. 12, 2015, 10:47 a.m., Jesús Camacho Rodríguez wrote:
>
> ---
> This is an automatically generated e-m
/HiveSortMergeRule.java
(line 56)
<https://reviews.apache.org/r/38211/#comment165064>
Don't you need to merge the collation from top?
Otherwise you will top OB.
- John Pullokkaran
On Nov. 12, 2015, 10:47 a.m., Jesús Camacho Rodr
Laljo John Pullokkaran created HIVE-12384:
-
Summary: Union Operator may produce incorrect result on TEZ
Key: HIVE-12384
URL: https://issues.apache.org/jira/browse/HIVE-12384
Project: Hive
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- John Pullokkaran
On Oct. 18, 2015, 9:47
Laljo John Pullokkaran created HIVE-12361:
-
Summary: Hive 0.14: IndexOutOfBoundsException thrown when
accessing a union all subquery and filtering on a column which does not exist
in all underlying tables
Key: HIVE-12361
Laljo John Pullokkaran created HIVE-12356:
-
Summary: Capture if a rule mutated the plan.
Key: HIVE-12356
URL: https://issues.apache.org/jira/browse/HIVE-12356
Project: Hive
Issue
Laljo John Pullokkaran created HIVE-12355:
-
Summary: Keep Obj Inspectors in Sync with RowSchema
Key: HIVE-12355
URL: https://issues.apache.org/jira/browse/HIVE-12355
Project: Hive
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- John Pullokkaran
On Nov. 2, 2015, 7:25 p.m
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- John Pullokkaran
On Oct. 29, 2015, 11:32 p.m., Hari
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- John Pullokkaran
On Oct. 29, 2015, 11:32
ake
care of generating appropriate struct col names..
- John Pullokkaran
On Oct. 29, 2015, 11:32 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
> ---
> This is an automatically generated e-mail. To reply, visit:
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y
key, value having c1 like '%abc%' order by c0;
With this patch it will let this query through which is obviously wrong.
- John Pullokkaran
On Oct. 18, 2015, 9:47 p.m., pengcheng xiong wrote:
>
> ---
> This is an
(line 962)
<https://reviews.apache.org/r/38211/#comment161786>
Pushing just limit without pushing orderby is not sufficent.
Limit almost always will have preceeding order by.
Order by pushdown also nneds to be handled.
- John Pullokkaran
On Oct. 23, 2015, 3:21 a.m.,
1307)
<https://reviews.apache.org/r/38211/#comment161785>
May be all the config should be changed to LimitPushDown instead of using
join; since limit can be pushed down below outer joins, projects, union, Map
Side GB...
- John Pullokkaran
On Oct. 23, 2015, 3:21 a.m., Jesús C
/HiveRelMdRowCount.java
(line 39)
<https://reviews.apache.org/r/38211/#comment161734>
We should enhance Join cardinality estimation for outer joins.
Outer Join cardinality should be: max(outer side cardinality, inner join
cardinality)
- John Pullokkaran
On Oct. 11, 2015, 12:
(line 997)
<https://reviews.apache.org/r/38211/#comment161733>
Redundant Limit removal should happen bottom up.
- John Pullokkaran
On Oct. 11, 2015, 12:57 p.m., Jesús Camacho Rodríguez wrote:
>
> ---
> This is a
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- John Pullokkaran
On Oct. 22, 2015, 12:41
tps://reviews.apache.org/r/39199/#comment160467>
We may be better of by flushing the hash table if we can not fit in memory;
this logic can be very similar to map side GB.
- John Pullokkaran
On Oct. 14, 2015, 6:10 p.m., Hari Sankar Sivarama Subramaniyan
ng to store TopN.
If col stats is available then we should use it. Also we need to handle
composite keys.
If stats are not available then may be a configurable heuristics may be an
option; i.e lets say NDV is 10% of cardinality.
- John Pullokkaran
On Oct. 14, 2015, 6:10 p.m., Hari
/ReduceSinkOperator.java (line 525)
<https://reviews.apache.org/r/39199/#comment160464>
This should be in ReduceSinkDesc since thats the one that has knowledge of
reducer function
- John Pullokkaran
On Oct. 14, 2015, 6:10 p.m., Hari Sankar Sivarama Subramaniyan
n TopNHash use memory required from #1
- John Pullokkaran
On Oct. 13, 2015, 7:37 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
> ---
> This is an automatically generated e-mail. To reply, visit:
> https://
t reduction criteria.
Also the reduction criteria probably needs to specify the minimun no of
tuples to reduce for limit to be cost effective (this should go away once we
have execution cost model).
- John Pullokkaran
On Sept. 28, 2015, 11:40 a.m., Jesús Camacho Rodr
/HiveSortJoinReduceRule.java
(line 80)
<https://reviews.apache.org/r/38211/#comment159364>
"reduction" as it is set is not a %.
Shouldn't you multiply by ((100-reduction)/100)
guarding for reduction to be <= 100.
- John Pullokkaran
On Sept. 28, 2015, 1
/PcrExprProcFactory.java
(line 392)
<https://reviews.apache.org/r/37778/#comment159360>
This too should be unknown right?
- John Pullokkaran
On Oct. 7, 2015, 10:57 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
> ---
> This is a
/PcrExprProcFactory.java
(line 385)
<https://reviews.apache.org/r/37778/#comment159310>
Add unit test cases for:
1. DNF(CNF)
expr1 or expr2 (where expr2 is conjuctine tree)
2. In clause involving part/non-part col that are combined by disjunction
- John Pullokkaran
On Oct. 7, 2015, 7:
/PcrExprProcFactory.java
(line 384)
<https://reviews.apache.org/r/37778/#comment159305>
WALKERSTATE should be UNKNOWN.
- John Pullokkaran
On Oct. 7, 2015, 7:47 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
> ---
> This is a
Add a test case involving conditional expressions (case, If..)
Ex: select key from t1 where (case when key=1 then 10 else 20 end) in
(10,11);
- John Pullokkaran
On Oct. 1, 2015, 11:42 p.m., Hari Sankar Sivarama Subramaniyan wrote:
>
> --
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- John Pullokkaran
On Oct. 1, 2015, 10:50
/clientpositive/union36.q.out PRE-CREATION
Diff: https://reviews.apache.org/r/39004/diff/
Testing
---
QA Run
Added unit tests
Thanks,
John Pullokkaran
/PcrExprProcFactory.java
(line 372)
<https://reviews.apache.org/r/37778/#comment158671>
1. The check "children.size() < 2" is either unnecessary or we have a bug
some where else.
2. We should also remove single col in clause where col is partition col
- John Pullokkaran
On Oct.
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- John Pullokkaran
On Sept. 30, 2015, 9:57
/MetaStoreUtils.java (line
1737)
<https://reviews.apache.org/r/38503/#comment158353>
Make a note that unicode is not supported in table names. And we have
explicit checks for it.
- John Pullokkaran
On Sept. 22, 2015, 6:12 a.m., pengcheng xiong
2177)
<https://reviews.apache.org/r/38503/#comment158352>
We should list what special chars are supported; may be by accessing
MetaStoreUtils field.
- John Pullokkaran
On Sept. 22, 2015, 6:12 a.m., pengcheng xiong
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- John Pullokkaran
On Sept. 25, 2015, 6:37
/RelOptHiveTable.java
(line 315)
<https://reviews.apache.org/r/38768/#comment157948>
yes.
- John Pullokkaran
On Sept. 25, 2015, 6:37 p.m., Chaoyu Tang wrote:
>
> ---
> This is an automatically generated e-mail. To reply,
> On Sept. 25, 2015, 6:55 p.m., John Pullokkaran wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/RelOptHiveTable.java,
> > line 316
> > <https://reviews.apache.org/r/38768/diff/1/?file=1084857#file1084857line316>
> >
> > Also
> On Sept. 25, 2015, 6:52 p.m., John Pullokkaran wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/RelOptHiveTable.java,
> > line 315
> > <https://reviews.apache.org/r/38768/diff/1/?file=1084857#file1084857line315>
> >
> > Shouldn&#
ter to fix stats API to guarantee the order.
- John Pullokkaran
On Sept. 25, 2015, 6:37 p.m., Chaoyu Tang wrote:
>
> ---
> This is an automatically generated e-mail. To reply, visit:
> https://revi
/RelOptHiveTable.java
(line 315)
<https://reviews.apache.org/r/38768/#comment157883>
Shouldn't we fix the API to provide the stats in the same order as it was
given?
In this case cols are given in the same order as it appears in the table.
- John Pullokkaran
On Sept. 25, 201
/HiveSortJoinReduceRule.java
(line 172)
<https://reviews.apache.org/r/38211/#comment157655>
We should seperate Limit push through Project from Limit Push through Join.
Looking for Limit/Proj/Join is a hard coupling.
- John Pullokkaran
On Sept. 17, 2015, 1:55 p.m., Jesús Camacho Rod
/HiveSortJoinReduceRule.java
(line 73)
<https://reviews.apache.org/r/38211/#comment157654>
May be reuse HiveCalciteUtil.orderRelNode
- John Pullokkaran
On Sept. 17, 2015, 1:55 p.m., Jesús Camacho Rodríguez wrote:
>
> ---
Laljo John Pullokkaran created HIVE-11919:
-
Summary: Hive Union Type Mismatch
Key: HIVE-11919
URL: https://issues.apache.org/jira/browse/HIVE-11919
Project: Hive
Issue Type: Bug
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