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https://issues.apache.org/jira/browse/HIVE-18852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16533258#comment-16533258
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Hive QA commented on HIVE-18852:
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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:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
52s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
54s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
52s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
59s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
21s{color} | {color:blue} standalone-metastore in master has 228 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m 
19s{color} | {color:blue} ql in master has 2287 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
13s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 0s{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}  8m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
30s{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} 38m 49s{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-12389/dev-support/hive-personality.sh
 |
| git revision | master / 5e2a530 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: standalone-metastore ql U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12389/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Misleading error message in alter table validation
> --------------------------------------------------
>
>                 Key: HIVE-18852
>                 URL: https://issues.apache.org/jira/browse/HIVE-18852
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 2.4.0
>            Reporter: Dan Burkert
>            Assignee: Andrew Sherman
>            Priority: Major
>         Attachments: HIVE-18852.1.patch
>
>
> The metastore's validation error message when attempting to rename a table to 
> a non-existent database is wrong.  For instance, attempting to alter table 
> 'db.table' to 'non_existent_database.table' results in the Thrift error:
> {{TException - service has thrown: InvalidOperationException(message=Unable 
> to change partition or table. Database db does not exist Check metastore logs 
> for detailed stack.non_existent_database)}}
> I believe the offending line of code is 
> [here|https://github.com/apache/hive/blob/branch-2/metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java?utf8=%E2%9C%93#L331-L333],
>  notice that {{dbname}} is used in the message, not {{newDbName}}.  I don't 
> know if switching that would cause the case of a non-existing {{dbname}} case 
> to regress, though.



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