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https://issues.apache.org/jira/browse/HIVE-21401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16790100#comment-16790100
 ] 

Hive QA commented on HIVE-21401:
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| (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 
31s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
 7s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  4m  
5s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
31s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
37s{color} | {color:blue} common in master has 63 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m 
17s{color} | {color:blue} ql in master has 2258 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
33s{color} | {color:blue} accumulo-handler in master has 21 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
25s{color} | {color:blue} contrib in master has 10 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
36s{color} | {color:blue} hbase-handler in master has 15 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
39s{color} | {color:blue} hcatalog/core in master has 29 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
46s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
52s{color} | {color:blue} itests/util in master has 48 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 
16s{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 
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  4m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  4m  
6s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
55s{color} | {color:red} ql: The patch generated 18 new + 1639 unchanged - 141 
fixed = 1657 total (was 1780) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
14s{color} | {color:red} hcatalog/core: The patch generated 1 new + 40 
unchanged - 8 fixed = 41 total (was 48) {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}  0m 
44s{color} | {color:green} common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  4m 
20s{color} | {color:red} ql generated 1 new + 2256 unchanged - 2 fixed = 2257 
total (was 2258) {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
41s{color} | {color:green} accumulo-handler in the patch passed. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
33s{color} | {color:green} contrib in the patch passed. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
42s{color} | {color:green} hbase-handler in the patch passed. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
48s{color} | {color:green} hcatalog/core generated 0 new + 28 unchanged - 1 
fixed = 28 total (was 29) {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
52s{color} | {color:green} hive-unit in the patch passed. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
56s{color} | {color:green} util in the patch passed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
56s{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} 54m  0s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
|  |  Class org.apache.hadoop.hive.ql.plan.DropPartitionDesc defines 
non-transient non-serializable instance field replicationSpec  In 
DropPartitionDesc.java:instance field replicationSpec  In 
DropPartitionDesc.java |
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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-16454/dev-support/hive-personality.sh
 |
| git revision | master / 9f2f101 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16454/yetus/diff-checkstyle-ql.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16454/yetus/diff-checkstyle-hcatalog_core.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16454/yetus/new-findbugs-ql.html
 |
| modules | C: common ql accumulo-handler contrib hbase-handler hcatalog/core 
itests/hive-unit itests/util U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-16454/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Break up DDLTask - extract Table related operations
> ---------------------------------------------------
>
>                 Key: HIVE-21401
>                 URL: https://issues.apache.org/jira/browse/HIVE-21401
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Hive
>    Affects Versions: 3.1.1
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-21401.01.patch, HIVE-21401.02.patch, 
> HIVE-21401.03.patch, HIVE-21401.04.patch, HIVE-21401.05.patch, 
> HIVE-21401.06.patch, HIVE-21401.07.patch, HIVE-21401.08.patch, 
> HIVE-21401.09.patch, HIVE-21401.10.patch, HIVE-21401.11.patch, 
> HIVE-21401.12.patch
>
>
> DDLTask is a huge class, more than 5000 lines long. The related DDLWork is 
> also a huge class, which has a field for each DDL operation it supports. The 
> goal is to refactor these in order to have everything cut into more 
> handleable classes under the package  org.apache.hadoop.hive.ql.exec.ddl:
>  * have a separate class for each operation
>  * have a package for each operation group (database ddl, table ddl, etc), so 
> the amount of classes under a package is more manageable
>  * make all the requests (DDLDesc subclasses) immutable
>  * DDLTask should be agnostic to the actual operations
>  * right now let's ignore the issue of having some operations handled by 
> DDLTask which are not actual DDL operations (lock, unlock, desc...)
> In the interim time when there are two DDLTask and DDLWork classes in the 
> code base the new ones in the new package are called DDLTask2 and DDLWork2 
> thus avoiding the usage of fully qualified class names where both the old and 
> the new classes are in use.
> Step #2: extract all the table related operations from the old DDLTask except 
> alter table, and move them under the new package. Also create the new 
> internal framework.



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