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https://issues.apache.org/jira/browse/HIVE-22239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937402#comment-16937402
 ] 

Hive QA commented on HIVE-22239:
--------------------------------

| (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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
53s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  9m 
57s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
39s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
32s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
45s{color} | {color:blue} standalone-metastore/metastore-common in master has 
32 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m 
44s{color} | {color:blue} standalone-metastore/metastore-server in master has 
170 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  5m 
41s{color} | {color:blue} ql in master has 1567 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 
31s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
33s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m  
3s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
21s{color} | {color:red} standalone-metastore/metastore-server: The patch 
generated 25 new + 109 unchanged - 11 fixed = 134 total (was 120) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
46s{color} | {color:red} ql: The patch generated 1 new + 123 unchanged - 0 
fixed = 124 total (was 123) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 1s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
12s{color} | {color:green} metastore-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
14s{color} | {color:red} standalone-metastore/metastore-server generated 2 new 
+ 170 unchanged - 0 fixed = 172 total (was 170) {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m  
4s{color} | {color:green} ql generated 0 new + 1566 unchanged - 1 fixed = 1566 
total (was 1567) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m  
8s{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. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 53m 16s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Integral division result cast to double or float in 
org.apache.hadoop.hive.metastore.columnstats.aggr.TimestampColumnStatsAggregator.aggregate(List,
 List, boolean)  At TimestampColumnStatsAggregator.java:double or float in 
org.apache.hadoop.hive.metastore.columnstats.aggr.TimestampColumnStatsAggregator.aggregate(List,
 List, boolean)  At TimestampColumnStatsAggregator.java:[line 102] |
|  |  
org.apache.hadoop.hive.metastore.columnstats.cache.TimestampColumnStatsDataInspector
 doesn't override 
org.apache.hadoop.hive.metastore.api.TimestampColumnStatsData.equals(Object)  
At TimestampColumnStatsDataInspector.java:At 
TimestampColumnStatsDataInspector.java:[line 1] |
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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 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-18713/dev-support/hive-personality.sh
 |
| git revision | master / c6875a3 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-18713/yetus/diff-checkstyle-standalone-metastore_metastore-server.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-18713/yetus/diff-checkstyle-ql.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-18713/yetus/new-findbugs-standalone-metastore_metastore-server.html
 |
| modules | C: standalone-metastore/metastore-common 
standalone-metastore/metastore-server ql U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-18713/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Scale data size using column value ranges
> -----------------------------------------
>
>                 Key: HIVE-22239
>                 URL: https://issues.apache.org/jira/browse/HIVE-22239
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-22239.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently, min/max values for columns are only used to determine whether a 
> certain range filter falls out of range and thus filters all rows or none at 
> all. If it does not, we just use a heuristic that the condition will filter 
> 1/3 of the input rows. Instead of using that heuristic, we can use another 
> one that assumes that data will be uniformly distributed across that range, 
> and calculate the selectivity for the condition accordingly.
> This patch also includes the propagation of min/max column values from 
> statistics to the optimizer for timestamp type.



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