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https://issues.apache.org/jira/browse/HIVE-18680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365215#comment-16365215
]
Hive QA commented on HIVE-18680:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
0s{color} | {color:blue} Findbugs executables are not available. {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} 7m
50s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
4s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
36s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
58s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
3s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
43s{color} | {color:red} ql: The patch generated 4 new + 1 unchanged - 0 fixed
= 5 total (was 1) {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} javadoc {color} | {color:green} 0m
54s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
13s{color} | {color:red} The patch generated 49 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 14m 55s{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/dev-support/hive-personality.sh |
| git revision | master / 7ddac02 |
| Default Java | 1.8.0_111 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9226/yetus/diff-checkstyle-ql.txt
|
| asflicense |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9226/yetus/patch-asflicense-problems.txt
|
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-9226/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> FieldTrimmer missing opportunity with SortLimit operators
> ---------------------------------------------------------
>
> Key: HIVE-18680
> URL: https://issues.apache.org/jira/browse/HIVE-18680
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Affects Versions: 3.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-18680.patch
>
>
> In the following plan, {{_o__col4}} is not needed:
> {code}
> 2018-02-11T11:35:14,501 DEBUG [0fda1a20-c7f1-489e-b287-65f35fda9848 main]
> calcite.sql2rel: Plan after trimming unused fields
> HiveProject(download_volume_bytes=[$0], ri_date=[$1], end_cell_id=[$2],
> environment=[$3])
> HiveSortLimit(sort0=[$2], dir0=[ASC-nulls-first], fetch=[100])
> HiveProject(download_volume_bytes=[$4], ri_date=[$3], end_cell_id=[$1],
> environment=[$2], _o__col4=[$0])
> HiveAggregate(group=[{0, 1, 2, 3}], agg#0=[sum($4)])
> HiveProject($f0=[$1], $f1=[$2], $f2=[$3], $f3=[$0], $f4=[$4])
> HiveProject(ri_date=[$0], imsi=[$1], end_cell_id=[$2],
> environment=[$3], s1_u_download_data_volume=[$4])
> HiveTableScan(table=[[default.lsr094]], table:alias=[a])
> {code}
> {{_o__col4}} should be removed by the FieldTrimmer. Otherwise, this may
> prevent MV rewriting to be triggered on some queries containing order
> by/limit clauses.
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