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https://issues.apache.org/jira/browse/HIVE-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806279#comment-16806279
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Hive QA commented on HIVE-21230:
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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} 1m
40s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
44s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
23s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
25s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
43s{color} | {color:green} ql: The patch generated 0 new + 1 unchanged - 9
fixed = 1 total (was 10) {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} 4m
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
7s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
15s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 27m 37s{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-16787/dev-support/hive-personality.sh
|
| git revision | master / dc0b16a |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: ql itests U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16787/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> LEFT OUTER JOIN does not generate transitive IS NOT NULL filter on right side
> (HiveJoinAddNotNullRule bails out for outer joins)
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-21230
> URL: https://issues.apache.org/jira/browse/HIVE-21230
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Vineet Garg
> Priority: Major
> Labels: newbie
> Attachments: HIVE-21230.1.patch, HIVE-21230.2.patch,
> HIVE-21230.3.patch, HIVE-21230.4.patch, HIVE-21230.5.patch,
> HIVE-21230.6.patch, HIVE-21230.7.patch
>
>
> For instance, given the following query:
> {code:sql}
> SELECT t0.col0, t0.col1
> FROM
> (
> SELECT col0, col1 FROM tab
> ) AS t0
> LEFT JOIN
> (
> SELECT col0, col1 FROM tab
> ) AS t1
> ON t0.col0 = t1.col0 AND t0.col1 = t1.col1
> {code}
> we could still infer that col0 and col1 cannot be null in the right input and
> introduce the corresponding filter predicate. Currently, the rule just bails
> out if it is not an inner join.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveJoinAddNotNullRule.java#L79
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