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https://issues.apache.org/jira/browse/HIVE-20850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16677625#comment-16677625
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Hive QA commented on HIVE-20850:
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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} 7m
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
37s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m
44s{color} | {color:blue} ql in master has 2315 extant Findbugs warnings.
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
54s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
38s{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
53s{color} | {color:green} the patch passed {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:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
14s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 23m 17s{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-14781/dev-support/hive-personality.sh
|
| git revision | master / 6d713b6 |
| 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-14781/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Push case conditional from projections to dimension tables if possible
> ----------------------------------------------------------------------
>
> Key: HIVE-20850
> URL: https://issues.apache.org/jira/browse/HIVE-20850
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20850.01.patch, HIVE-20850.01.patch,
> HIVE-20850.01.patch, HIVE-20850.02.patch, HIVE-20850.03.patch
>
>
> noticed by [~gopalv]: If there is a project which could be only evaluated
> after the join; but the condition references only a single column from a
> small dimension table; hive will end up evaluating the same thing over and
> over again...
> {code}
> explain
> select s_store_name, s_store_id,
> sum(case when (d_day_name='Sunday') then ss_sales_price else null
> end) sun_sales,
> sum(case when (d_day_name='Monday') then ss_sales_price else null
> end) mon_sales,
> sum(case when (d_day_name='Tuesday') then ss_sales_price else null
> end) tue_sales,
> sum(case when (d_day_name='Wednesday') then ss_sales_price else null
> end) wed_sales,
> sum(case when (d_day_name='Thursday') then ss_sales_price else null
> end) thu_sales,
> sum(case when (d_day_name='Friday') then ss_sales_price else null
> end) fri_sales,
> sum(case when (d_day_name='Saturday') then ss_sales_price else null
> end) sat_sales
> from date_dim, store_sales, store
> where d_date_sk = ss_sold_date_sk and
> s_store_sk = ss_store_sk and
> s_gmt_offset = -6 and
> d_year = 1998
> group by s_store_name, s_store_id
> order by s_store_name,
> s_store_id,sun_sales,mon_sales,tue_sales,wed_sales,thu_sales,fri_sales,sat_sales
> limit 100;
> {code}
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