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https://issues.apache.org/jira/browse/HIVE-16255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16793126#comment-16793126
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Hive QA commented on HIVE-16255:
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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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
38s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
13s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
42s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
17s{color} | {color:blue} ql in master has 2257 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
4s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
14s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
42s{color} | {color:red} ql: The patch generated 4 new + 83 unchanged - 0 fixed
= 87 total (was 83) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 4m
27s{color} | {color:red} ql generated 1 new + 2257 unchanged - 0 fixed = 2258
total (was 2257) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
1s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
14s{color} | {color:red} The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 25m 42s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
| |
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont$PercentileContEvaluator.terminatePartial(GenericUDAFEvaluator$AggregationBuffer)
may expose internal representation by returning
GenericUDAFPercentileCont$PercentileContEvaluator.partialResult At
GenericUDAFPercentileCont.java:by returning
GenericUDAFPercentileCont$PercentileContEvaluator.partialResult At
GenericUDAFPercentileCont.java:[line 321] |
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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-16513/dev-support/hive-personality.sh
|
| git revision | master / cfaeced |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16513/yetus/diff-checkstyle-ql.txt
|
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16513/yetus/new-findbugs-ql.html
|
| asflicense |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16513/yetus/patch-asflicense-problems.txt
|
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16513/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Support percentile_cont / percentile_disc
> -----------------------------------------
>
> Key: HIVE-16255
> URL: https://issues.apache.org/jira/browse/HIVE-16255
> Project: Hive
> Issue Type: Sub-task
> Components: SQL
> Reporter: Carter Shanklin
> Assignee: Laszlo Bodor
> Priority: Major
> Attachments: HIVE-16255.01.patch, HIVE-16255.02.patch,
> HIVE-16255.03.patch, HIVE-16255.04.patch, HIVE-16255.05.patch,
> HIVE-16255.06.patch
>
>
> Way back in HIVE-259, a percentile function was added that provides a subset
> of the standard percentile_cont aggregate function.
> The SQL standard provides some additional options and also a percentile_disc
> aggregate function with different rules. In the standard you specify an
> ordering with arbitrary value expression and the results are drawn from this
> value expression. This aggregate functions should be usable as analytic
> functions as well (i.e. support the over clause). The current percentile
> function is able to be used with an over clause.
> The rough outline of how this works is:
> percentile_cont(number) within group (order by expression) [ over(window
> spec) ]
> percentile_disc(number) within group (order by expression) [ over(window
> spec) ]
> The value of number should be between 0 and 1. The value expression is
> evaluated for each row of the group, nulls are discarded, and the remaining
> rows are ordered.
> — If PERCENTILE_CONT is specified, by considering the pair of consecutive
> rows that are indicated by the argument, treated as a fraction of the total
> number of rows in the group, and interpolating the value of the value
> expression evaluated for these rows.
> — If PERCENTILE_DISC is specified, by treating the group as a window
> partition of the CUME_DIST window function, using the specified ordering of
> the value expression as the window ordering, and returning the first value
> expression whose cumulative distribution value is greater than or equal to
> the argument.
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