Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 1 to 10 from 391 (0.073s).
Loading phrases to help you
refine your search...
[HIVE-8585] Constant folding should happen before ppd - Hive - [issue]
...will help NullScanOptimizer to kick in more places....
http://issues.apache.org/jira/browse/HIVE-8585    Author: Ashutosh Chauhan, 2014-10-29, 18:12
[HIVE-8435] Add identity project remover optimization - Hive - [issue]
...In some cases there is an identity project in plan which is useless. Better to optimize it away to avoid evaluating it without any benefit at runtime....
http://issues.apache.org/jira/browse/HIVE-8435    Author: Ashutosh Chauhan, 2014-10-29, 16:15
[HIVE-8555] Too many casts results in loss of original string representation for constant - Hive - [issue]
...SELECT key, value FROM src WHERE key = cast(86 as double);86.0  val_86With constant propagate off we get different and correct result.set hive.optimize.constant.propagation=false;SELECT...
http://issues.apache.org/jira/browse/HIVE-8555    Author: Ashutosh Chauhan, 2014-10-23, 02:48
[HIVE-8531] Fold is not null filter if there are other comparison filter present on same column - Hive - [issue]
...e.g., select * from src where key = '86' and key is not null;is equivalent toselect * from src where key = '86';we can short circuit is not null filter and avoid its evaluation for every row...
http://issues.apache.org/jira/browse/HIVE-8531    Author: Ashutosh Chauhan, 2014-10-22, 21:21
[HIVE-8490] Constant folding should happen before partition pruning - Hive - [issue]
...so that partition pruning see simplified expressions and present simpler expressions to metastore...
http://issues.apache.org/jira/browse/HIVE-8490    Author: Ashutosh Chauhan, 2014-10-22, 21:17
[HIVE-8492] Enhance Constant Folding to propagate constants for simple expressions - Hive - [issue]
...currently it propagates only for projects, can be enhanced to propagate for simple expressions like casts, e.g,SELECT src1.key, src1.key + 1, src2.value FROM src src1 join src src2 ON src1.k...
http://issues.apache.org/jira/browse/HIVE-8492    Author: Ashutosh Chauhan, 2014-10-19, 02:32
[HIVE-8460] ORC SARG literal creation for double from float may lead to wrong evaluation of SARG - Hive - [issue]
...e.g., expression like d = 0.22 where 0.22 is of float type, gets converted to double d = 0.219999986 in SARG creation. This will cause erroneous evaluation of SARG expression....
http://issues.apache.org/jira/browse/HIVE-8460    Author: Ashutosh Chauhan, 2014-10-17, 16:35
[HIVE-8428] PCR doesnt remove filters involving casts - Hive - [issue]
...e.g.,select key,value from srcpart where hr = cast(11 as double);...
http://issues.apache.org/jira/browse/HIVE-8428    Author: Ashutosh Chauhan, 2014-10-17, 16:34
Re: wiki edit access - Hive - [mail # user]
...Done. Sorry for delay.AshutoshOn Tue, Sep 2, 2014 at 11:59 AM, Sergey Shelukhin wrote: ...
   Author: Ashutosh Chauhan, 2014-09-08, 21:38
[HIVE-7703] CBO: Don't recompute partition list between optiq and hive planning - Hive - [issue]
...otherwise it will add to latency....
http://issues.apache.org/jira/browse/HIVE-7703    Author: Ashutosh Chauhan, 2014-09-06, 22:23
Sort:
project
Hive (391)
Pig (133)
Hadoop (14)
MapReduce (2)
HDFS (1)
type
issue (228)
mail # dev (97)
mail # user (64)
wiki (2)
date
last 7 days (2)
last 30 days (8)
last 90 days (40)
last 6 months (79)
last 9 months (391)
author
Namit Jain (645)
Carl Steinbach (409)
Zheng Shao (382)
Brock Noland (365)
Edward Capriolo (297)
Navis (295)
Ashutosh Chauhan (286)
Gunther Hagleitner (231)
Thejas M Nair (224)
John Sichi (212)
Lefty Leverenz (212)
Xuefu Zhang (175)
Ning Zhang (171)
Sergey Shelukhin (155)
Kevin Wilfong (152)
He Yongqiang (139)
Eugene Koifman (124)
Jason Dere (122)
Harish Butani (116)
Alan Gates (113)
Nitin Pawar (112)
Vaibhav Gumashta (107)
Prasanth J (101)
Joydeep Sen Sarma (95)
Owen O'Malley (92)