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https://issues.apache.org/jira/browse/HIVE-12192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524350#comment-16524350
 ] 

Hive QA commented on HIVE-12192:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
57s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
12s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m  
1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 12m 
 0s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
27s{color} | {color:blue} storage-api in master has 48 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
34s{color} | {color:blue} common in master has 62 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
40s{color} | {color:blue} serde in master has 190 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
31s{color} | {color:blue} accumulo-handler in master has 21 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
28s{color} | {color:blue} druid-handler in master has 13 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
31s{color} | {color:blue} hbase-handler in master has 15 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
39s{color} | {color:blue} hcatalog/core in master has 33 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
27s{color} | {color:blue} hcatalog/hcatalog-pig-adapter in master has 2 extant 
Findbugs warnings. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  4m  
8s{color} | {color:red} branch/itests/hive-jmh cannot run convertXmlToText from 
findbugs {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
40s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
30s{color} | {color:blue} llap-common in master has 71 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
42s{color} | {color:blue} llap-server in master has 83 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m 
10s{color} | {color:blue} ql in master has 2280 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
20s{color} | {color:blue} standalone-metastore in master has 228 extant 
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 11m 
15s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
7s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 11m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 11m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch storage-api passed checkstyle {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
20s{color} | {color:red} common: The patch generated 10 new + 466 unchanged - 
16 fixed = 476 total (was 482) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  1m 
12s{color} | {color:red} serde: The patch generated 81 new + 3760 unchanged - 
93 fixed = 3841 total (was 3853) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  5m 
22s{color} | {color:red} root: The patch generated 496 new + 13217 unchanged - 
360 fixed = 13713 total (was 13577) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} The patch accumulo-handler passed checkstyle {color} 
|
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
13s{color} | {color:red} druid-handler: The patch generated 1 new + 134 
unchanged - 2 fixed = 135 total (was 136) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
13s{color} | {color:green} hbase-handler: The patch generated 0 new + 18 
unchanged - 1 fixed = 18 total (was 19) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} The patch core passed checkstyle {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
15s{color} | {color:red} hcatalog/hcatalog-pig-adapter: The patch generated 14 
new + 239 unchanged - 17 fixed = 253 total (was 256) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
11s{color} | {color:green} The patch hive-jmh passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
19s{color} | {color:green} The patch hive-unit passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
10s{color} | {color:green} llap-common: The patch generated 0 new + 7 unchanged 
- 2 fixed = 7 total (was 9) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
15s{color} | {color:red} llap-server: The patch generated 1 new + 153 unchanged 
- 0 fixed = 154 total (was 153) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  2m 
34s{color} | {color:red} ql: The patch generated 389 new + 7517 unchanged - 228 
fixed = 7906 total (was 7745) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
23s{color} | {color:green} standalone-metastore: The patch generated 0 new + 
348 unchanged - 1 fixed = 348 total (was 349) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
14s{color} | {color:green} The patch vector-code-gen passed checkstyle {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use git 
apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
24s{color} | {color:red} patch/storage-api cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
34s{color} | {color:red} patch/common cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
38s{color} | {color:red} patch/serde cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
30s{color} | {color:red} patch/accumulo-handler cannot run setBugDatabaseInfo 
from findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
26s{color} | {color:red} patch/druid-handler cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
31s{color} | {color:red} patch/hbase-handler cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
35s{color} | {color:red} patch/hcatalog/core cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
26s{color} | {color:red} patch/hcatalog/hcatalog-pig-adapter cannot run 
setBugDatabaseInfo from findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  2m 
46s{color} | {color:red} patch/itests/hive-jmh cannot run setBugDatabaseInfo 
from findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
39s{color} | {color:red} patch/itests/hive-unit cannot run setBugDatabaseInfo 
from findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
29s{color} | {color:red} patch/llap-common cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
42s{color} | {color:red} patch/llap-server cannot run setBugDatabaseInfo from 
findbugs {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  4m 
13s{color} | {color:red} patch/ql cannot run setBugDatabaseInfo from findbugs 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  3m 
20s{color} | {color:red} patch/standalone-metastore cannot run 
setBugDatabaseInfo from findbugs {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
13s{color} | {color:red} common generated 2 new + 25 unchanged - 0 fixed = 27 
total (was 25) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  6m 
24s{color} | {color:red} root generated 4 new + 367 unchanged - 2 fixed = 371 
total (was 369) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
58s{color} | {color:red} ql generated 2 new + 98 unchanged - 2 fixed = 100 
total (was 100) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}136m 58s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-12172/dev-support/hive-personality.sh
 |
| git revision | master / 966b83e |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/branch-findbugs-itests_hive-jmh.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-common.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-serde.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-root.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-druid-handler.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-hcatalog_hcatalog-pig-adapter.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-llap-server.txt
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| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-checkstyle-ql.txt
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| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/whitespace-eol.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-storage-api.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-common.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-serde.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-accumulo-handler.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-druid-handler.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-hbase-handler.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-hcatalog_core.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-hcatalog_hcatalog-pig-adapter.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-itests_hive-jmh.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-itests_hive-unit.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-llap-common.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-llap-server.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-ql.txt
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| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/patch-findbugs-standalone-metastore.txt
 |
| javadoc | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-javadoc-javadoc-common.txt
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| javadoc | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-javadoc-javadoc-root.txt
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| javadoc | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus/diff-javadoc-javadoc-ql.txt
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| modules | C: storage-api common serde . accumulo-handler druid-handler 
hbase-handler hcatalog/core hcatalog/hcatalog-pig-adapter itests 
itests/hive-jmh itests/hive-unit llap-common llap-server ql 
standalone-metastore vector-code-gen U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12172/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Hive should carry out timestamp computations in UTC
> ---------------------------------------------------
>
>                 Key: HIVE-12192
>                 URL: https://issues.apache.org/jira/browse/HIVE-12192
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>            Reporter: Ryan Blue
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Blocker
>              Labels: timestamp
>             Fix For: 3.1.0
>
>         Attachments: HIVE-12192.01.patch, HIVE-12192.02.patch, 
> HIVE-12192.03.patch, HIVE-12192.04.patch, HIVE-12192.05.patch, 
> HIVE-12192.06.patch, HIVE-12192.07.patch, HIVE-12192.08.patch, 
> HIVE-12192.09.patch, HIVE-12192.10.patch, HIVE-12192.11.patch, 
> HIVE-12192.12.patch, HIVE-12192.13.patch, HIVE-12192.14.patch, 
> HIVE-12192.15.patch, HIVE-12192.16.patch, HIVE-12192.17.patch, 
> HIVE-12192.18.patch, HIVE-12192.19.patch, HIVE-12192.20.patch, 
> HIVE-12192.21.patch, HIVE-12192.22.patch, HIVE-12192.23.patch, 
> HIVE-12192.24.patch, HIVE-12192.25.patch, HIVE-12192.26.patch, 
> HIVE-12192.27.patch, HIVE-12192.28.patch, HIVE-12192.patch
>
>
> Hive currently uses the "local" time of a java.sql.Timestamp to represent the 
> SQL data type TIMESTAMP WITHOUT TIME ZONE. The purpose is to be able to use 
> {{Timestamp#getYear()}} and similar methods to implement SQL functions like 
> {{year}}.
> When the SQL session's time zone is a DST zone, such as America/Los_Angeles 
> that alternates between PST and PDT, there are times that cannot be 
> represented because the effective zone skips them.
> {code}
> hive> select TIMESTAMP '2015-03-08 02:10:00.101';
> 2015-03-08 03:10:00.101
> {code}
> Using UTC instead of the SQL session time zone as the underlying zone for a 
> java.sql.Timestamp avoids this bug, while still returning correct values for 
> {{getYear}} etc. Using UTC as the convenience representation (timestamp 
> without time zone has no real zone) would make timestamp calculations more 
> consistent and avoid similar problems in the future.
> Notably, this would break the {{unix_timestamp}} UDF that specifies the 
> result is with respect to ["the default timezone and default 
> locale"|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-DateFunctions].
>  That function would need to be updated to use the 
> {{System.getProperty("user.timezone")}} zone.



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