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Posted to issues@hive.apache.org by "Hive QA (JIRA)" <ji...@apache.org> on 2017/12/01 07:00:03 UTC

[jira] [Commented] (HIVE-16890) org.apache.hadoop.hive.serde2.io.HiveVarcharWritable - Adds Superfluous Wrapper

    [ https://issues.apache.org/jira/browse/HIVE-16890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274036#comment-16274036 ] 

Hive QA commented on HIVE-16890:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  0s{color} | {color:blue} Findbugs executables are not available. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  1s{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}  5m 43s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 17s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 15s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 12s{color} | {color:green} serde: The patch generated 0 new + 1 unchanged - 1 fixed = 1 total (was 2) {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} javadoc {color} | {color:green}  0m 15s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 11s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}  7m 57s{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/dev-support/hive-personality.sh |
| git revision | master / f68ebdc |
| Default Java | 1.8.0_111 |
| asflicense | http://104.198.109.242/logs//PreCommit-HIVE-Build-8074/yetus/patch-asflicense-problems.txt |
| modules | C: serde U: serde |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-8074/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> org.apache.hadoop.hive.serde2.io.HiveVarcharWritable - Adds Superfluous Wrapper
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-16890
>                 URL: https://issues.apache.org/jira/browse/HIVE-16890
>             Project: Hive
>          Issue Type: Improvement
>          Components: Serializers/Deserializers
>            Reporter: BELUGA BEHR
>            Assignee: BELUGA BEHR
>            Priority: Trivial
>         Attachments: HIVE-16890.1.patch, HIVE-16890.1.patch, HIVE-16890.1.patch
>
>
> Class {{org.apache.hadoop.hive.serde2.io.HiveVarcharWritable}} creates a superfluous wrapper and then immediately unwraps it.  Don't bother wrapping in this scenario.
> {code}
>   public void set(HiveVarchar val, int len) {
>     set(val.getValue(), len);
>   }
>   public void set(String val, int maxLength) {
>     value.set(HiveBaseChar.enforceMaxLength(val, maxLength));
>   }
>   public HiveVarchar getHiveVarchar() {
>     return new HiveVarchar(value.toString(), -1);
>   }
>   // Here calls getHiveVarchar() which creates a new HiveVarchar object with a string in it
>   // The object is passed to set(HiveVarchar val, int len)
>   //  The string is pulled out
>   public void enforceMaxLength(int maxLength) {
>     // Might be possible to truncate the existing Text value, for now just do something simple.
>     if (value.getLength()>maxLength && getCharacterLength()>maxLength)
>       set(getHiveVarchar(), maxLength);
>   }
> {code}



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