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https://issues.apache.org/jira/browse/HIVE-21340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16784030#comment-16784030
]
Hive QA commented on HIVE-21340:
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| (/) *{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} 11m
14s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
21s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
46s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
35s{color} | {color:blue} ql in master has 2251 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
7s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
46s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
46s{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} 4m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
6s{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} 29m 52s{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-16334/dev-support/hive-personality.sh
|
| git revision | master / fc3eefa |
| 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-16334/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> CBO: Prune non-key columns feeding into a SemiJoin
> --------------------------------------------------
>
> Key: HIVE-21340
> URL: https://issues.apache.org/jira/browse/HIVE-21340
> Project: Hive
> Issue Type: Bug
> Components: CBO, Query Planning
> Affects Versions: 4.0.0
> Reporter: Gopal V
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-21340.1.patch, HIVE-21340.2.patch,
> HIVE-21340.3.patch
>
>
> {code}
> explain cbo
> with ss as
> (select count(1), ss_item_sk, ss_ticket_number from
> store_sales group by ss_item_sk, ss_ticket_number
> having count(1) > 1)
> select count(1) from item where i_item_sk IN (select ss_item_sk from ss);
> {code}
> Notice the {{HiveProject(ss_item_sk=[$0], ss_ticket_number=[$1], $f2=[$2])}}
> Only ss_item_sk is relevant for the HiveSemiJoin
> {code}
> CBO PLAN:
> HiveAggregate(group=[{}], agg#0=[count()])
> HiveSemiJoin(condition=[=($0, $1)], joinType=[inner])
> HiveProject(i_item_sk=[$0])
> HiveFilter(condition=[IS NOT NULL($0)])
> HiveTableScan(table=[[tpcds_copy_orc_partitioned_10000, item]],
> table:alias=[item])
> HiveProject(ss_item_sk=[$0], ss_ticket_number=[$1], $f2=[$2])
> HiveFilter(condition=[>($2, 1)])
> HiveAggregate(group=[{1, 8}], agg#0=[count()])
> HiveFilter(condition=[IS NOT NULL($1)])
> HiveTableScan(table=[[tpcds_copy_orc_partitioned_10000,
> store_sales]], table:alias=[store_sales])
> {code}
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