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https://issues.apache.org/jira/browse/HIVE-22828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17036463#comment-17036463
 ] 

Hive QA commented on HIVE-22828:
--------------------------------

| (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 
55s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 
50s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
51s{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 1532 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  8m 
24s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
29s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  9m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 
57s{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 1 new + 407 unchanged - 0 
fixed = 408 total (was 407) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  2m  
6s{color} | {color:red} root: The patch generated 1 new + 407 unchanged - 0 
fixed = 408 total (was 407) {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  
7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  7m 
58s{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} 66m 31s{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 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-20599/dev-support/hive-personality.sh
 |
| git revision | master / c060c84 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-20599/yetus/diff-checkstyle-ql.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-20599/yetus/diff-checkstyle-root.txt
 |
| modules | C: ql . itests U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-20599/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Decimal64: NVL & CASE statements implicitly convert decimal64 to 128 
> ---------------------------------------------------------------------
>
>                 Key: HIVE-22828
>                 URL: https://issues.apache.org/jira/browse/HIVE-22828
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>            Reporter: Gopal Vijayaraghavan
>            Assignee: Ramesh Kumar Thangarajan
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-22828.1.patch, HIVE-22828.10.patch, 
> HIVE-22828.3.patch, HIVE-22828.4.patch, HIVE-22828.5.patch, 
> HIVE-22828.6.patch, HIVE-22828.7.patch, HIVE-22828.8.patch, HIVE-22828.9.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> {code}
> select  
> sum(case when (ss_item_sk=1) then ss_sales_price else null end),
> sum(case when (ss_item_sk=2) then ss_sales_price else ss_sales_price+1 end),
> sum(case when (ss_item_sk=2) then 1.0BD+ss_sales_price else null end)
> from store_sales where ss_sold_date_sk % 1111 = 1;
> {code}
> {code}
> Caused by: java.lang.ClassCastException: 
> org.apache.hadoop.hive.ql.exec.vector.Decimal64ColumnVector cannot be cast to 
> org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector
>         at 
> org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector.setElement(DecimalColumnVector.java:130)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprColumnNull.evaluate(IfExprColumnNull.java:125)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.VectorUDAFSumDecimal.aggregateInputSelection(VectorUDAFSumDecimal.java:113)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeBase.processAggregators(VectorGroupByOperator.java:221)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.doProcessBatch(VectorGroupByOperator.java:414)
> {code}
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorizationContext.java#L3950



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