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https://issues.apache.org/jira/browse/HIVE-19097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566031#comment-16566031
]
Hive QA commented on HIVE-19097:
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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} 0m
50s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
38s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
33s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
7s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
35s{color} | {color:blue} common in master has 64 extant Findbugs warnings.
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
21s{color} | {color:blue} ql in master has 2302 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
20s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
10s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
23s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
49s{color} | {color:red} ql: The patch generated 12 new + 497 unchanged - 18
fixed = 509 total (was 515) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 4m
48s{color} | {color:red} ql generated 4 new + 2298 unchanged - 4 fixed = 2302
total (was 2302) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
12s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
12s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 30m 58s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:ql |
| |
org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.interpretNodeAs(PrimitiveTypeInfo,
ExprNodeDesc) invokes inefficient new Byte(String) constructor; use
Byte.valueOf(String) instead At TypeCheckProcFactory.java:Byte(String)
constructor; use Byte.valueOf(String) instead At
TypeCheckProcFactory.java:[line 1259] |
| |
org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.interpretNodeAs(PrimitiveTypeInfo,
ExprNodeDesc) invokes inefficient new Integer(String) constructor; use
Integer.valueOf(String) instead At TypeCheckProcFactory.java:Integer(String)
constructor; use Integer.valueOf(String) instead At
TypeCheckProcFactory.java:[line 1251] |
| |
org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.interpretNodeAs(PrimitiveTypeInfo,
ExprNodeDesc) invokes inefficient new Long(String) constructor; use
Long.valueOf(String) instead At TypeCheckProcFactory.java:Long(String)
constructor; use Long.valueOf(String) instead At
TypeCheckProcFactory.java:[line 1253] |
| |
org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.interpretNodeAs(PrimitiveTypeInfo,
ExprNodeDesc) invokes inefficient new Short(String) constructor; use
Short.valueOf(String) instead At TypeCheckProcFactory.java:Short(String)
constructor; use Short.valueOf(String) instead At
TypeCheckProcFactory.java:[line 1261] |
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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-12987/dev-support/hive-personality.sh
|
| git revision | master / 2cabb8d |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-12987/yetus/diff-checkstyle-ql.txt
|
| findbugs |
http://104.198.109.242/logs//PreCommit-HIVE-Build-12987/yetus/new-findbugs-ql.html
|
| modules | C: common ql U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-12987/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> related equals and in operators may cause inaccurate stats estimations
> ----------------------------------------------------------------------
>
> Key: HIVE-19097
> URL: https://issues.apache.org/jira/browse/HIVE-19097
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-19097.01.patch, HIVE-19097.02.patch,
> HIVE-19097.03.patch, HIVE-19097.04.patch, HIVE-19097.05.patch,
> HIVE-19097.06wip01.patch, HIVE-19097.06wip02.patch, HIVE-19097.partial.patch
>
>
> tpcds#74 is optimized in a way that for date_dim the condition contains IN
> and = for the same column
> {code:java}
> | Map Operator Tree: |
> | TableScan |
> | alias: date_dim |
> | filterExpr: (((d_year) IN (2001, 2002) and (d_year =
> 2002) and d_date_sk is not null) or ((d_year) IN (2001, 2002) and (d_year =
> 2001) and d_date_sk is not null)) (type: boolean) |
> | Statistics: Num rows: 73049 Data size: 876588 Basic
> stats: COMPLETE Column stats: COMPLETE |
> | Filter Operator |
> | predicate: ((d_year) IN (2001, 2002) and (d_year =
> 2002) and d_date_sk is not null) (type: boolean) |
> | Statistics: Num rows: 4 Data size: 48 Basic stats:
> COMPLETE Column stats: COMPLETE |
> {code}
> the "real" row count will be 365
> for separate {{IN}} and {{=}} the estimation is very good; but if both are
> present it becomes (very) underestimated.
> {code:java}
> set hive.query.results.cache.enabled=false;
> drop table if exists t1;
> drop table if exists t8;
> create table t1 (a integer,b integer);
> create table t8 like t1;
> insert into t1 values (1,1),(2,2),(3,3),(4,4),(5,5);
> insert into t8
> select * from t1 union all select * from t1 union all select * from t1 union
> all select * from t1 union all
> select * from t1 union all select * from t1 union all select * from t1 union
> all select * from t1
> ;
> analyze table t1 compute statistics for columns;
> analyze table t8 compute statistics for columns;
> explain analyze select sum(a) from t8 where b in (2,3) group by b;
> explain analyze select sum(a) from t8 where b=2 group by b;
> explain analyze select sum(a) from t1 where b in (2,3) and b=2 group by b;
> explain analyze select sum(a) from t8 where b in (2,3) and b=2 group by b;
> {code}
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