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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20768) Adding Tumbling Window UDF
Date Fri, 19 Oct 2018 10:16:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656588#comment-16656588
] 

Hive QA commented on HIVE-20768:
--------------------------------

| (/) *{color:green}+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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m  1s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 58s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 34s{color}
| {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 39s{color} | {color:blue}
ql in master has 2318 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 53s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 17s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 58s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 58s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 36s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 43s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 53s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 12s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 22m  5s{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-14563/dev-support/hive-personality.sh
|
| git revision | master / 3963c72 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-14563/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Adding Tumbling Window UDF
> --------------------------
>
>                 Key: HIVE-20768
>                 URL: https://issues.apache.org/jira/browse/HIVE-20768
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: slim bouguerra
>            Assignee: slim bouguerra
>            Priority: Major
>         Attachments: HIVE-20768.patch, HIVE-20768.patch
>
>
> Goal is to provide a UDF that truncates a timestamp to a beginning of a tumbling window
interval.
> {code}
> /**
>  * Tumbling windows are a series of fixed-sized, non-overlapping and contiguous time
intervals.
>  * Tumbling windows are inclusive start exclusive end.
>  * By default the beginning instant of fist window is Epoch 0 Thu Jan 01 00:00:00 1970
UTC.
>  * Optionally users may provide a different origin as a timestamp arg3.
>  *
>  * This an example of series of window with an interval of 5 seconds and origin Epoch
0 Thu Jan 01 00:00:00 1970 UTC:
>  *
>  *
>  *   interval 1           interval 2            interval 3
>  *   Jan 01 00:00:00      Jan 01 00:00:05       Jan 01 00:00:10
>  * 0 -------------- 4 : 5 --------------- 9: 10 --------------- 14
>  *
>  * This UDF rounds timestamp agr1 to the beginning of window interval where it belongs
to.
>  *
>  */
> {code}



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