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https://issues.apache.org/jira/browse/KYLIN-4860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17295836#comment-17295836
]
ASF GitHub Bot commented on KYLIN-4860:
---------------------------------------
coveralls edited a comment on pull request #1599:
URL: https://github.com/apache/kylin/pull/1599#issuecomment-790614784
## Pull Request Test Coverage Report for [Build
6941](https://coveralls.io/builds/37679328)
* **0** of **1** **(0.0%)** changed or added relevant line in **1** file
are covered.
* **1** unchanged line in **1** file lost coverage.
* Overall coverage increased (+**0.008%**) to **27.964%**
---
| Changes Missing Coverage | Covered Lines | Changed/Added Lines | % |
| :-----|--------------|--------|---: |
|
[query/src/main/java/org/apache/kylin/query/relnode/OLAPUnionRel.java](https://coveralls.io/builds/37679328/source?filename=query%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fquery%2Frelnode%2FOLAPUnionRel.java#L101)
| 0 | 1 | 0.0%
<!-- | **Total:** | **0** | **1** | **0.0%** | -->
| Files with Coverage Reduction | New Missed Lines | % |
| :-----|--------------|--: |
|
[query/src/main/java/org/apache/kylin/query/relnode/OLAPUnionRel.java](https://coveralls.io/builds/37679328/source?filename=query%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fkylin%2Fquery%2Frelnode%2FOLAPUnionRel.java#L97)
| 1 | 0% |
<!-- | **Total:** | **1** | | -->
| Totals | [](https://coveralls.io/builds/37679328)
|
| :-- | --: |
| Change from base [Build 6921](https://coveralls.io/builds/37585214): |
0.008% |
| Covered Lines: | 26261 |
| Relevant Lines: | 93911 |
---
##### 💛 - [Coveralls](https://coveralls.io)
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> 使用多union all查询时抛出数组越界异常
> -----------------------
>
> Key: KYLIN-4860
> URL: https://issues.apache.org/jira/browse/KYLIN-4860
> Project: Kylin
> Issue Type: Bug
> Reporter: Yang
> Assignee: Yaqian Zhang
> Priority: Blocker
> Fix For: v3.1.2
>
>
> 使用如下多union all语句查询（goupy by的字段个数大于union all的子表个数）：
> {code:java}
> select date,f1,f2,sum(c1) c1,sum(c2) c2
> from
> (select date,f1,f2,count(*) c1,0 c2
> from t1
> where date='2021-01-01'
> group by date,f1,f2
> union all
> select date,f1,f2,0 c1,count(*) c2
> from t2
> where date='2021-01-01'
> group by date,f1,f2) a
> group by date,f1,f2;
> {code}
> 报错如下：
> {code:java}
> Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
> at java.util.ArrayList.rangeCheck(ArrayList.java:657)
> at java.util.ArrayList.get(ArrayList.java:433)
> at
> org.apache.kylin.query.relnode.ColumnRowType.getTupleExpressionByIndex(ColumnRowType.java:88)
> at
> org.apache.kylin.query.relnode.OLAPAggregateRel.buildGroups(OLAPAggregateRel.java:272)
> at
> org.apache.kylin.query.relnode.OLAPAggregateRel.buildColumnRowType(OLAPAggregateRel.java:216)
> at
> org.apache.kylin.query.relnode.OLAPAggregateRel.implementOLAP(OLAPAggregateRel.java:190)
> at
> org.apache.kylin.query.relnode.OLAPRel$OLAPImplementor.visitChild(OLAPRel.java:84)
> at
> org.apache.kylin.query.relnode.OLAPLimitRel.implementOLAP(OLAPLimitRel.java:77)
> at
> org.apache.kylin.query.relnode.OLAPRel$OLAPImplementor.visitChild(OLAPRel.java:84)
> at
> org.apache.kylin.query.relnode.OLAPToEnumerableConverter.implement(OLAPToEnumerableConverter.java:77)
> at
> org.apache.calcite.adapter.enumerable.EnumerableRelImplementor.implementRoot(EnumerableRelImplementor.java:103)
> at
> org.apache.calcite.adapter.enumerable.EnumerableInterpretable.toBindable(EnumerableInterpretable.java:92)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.implement(CalcitePrepareImpl.java:1278)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:331)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:230)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:796)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:655)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:618)
> at
> org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:221)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:603)
> at
> org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:675)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
> ... 85 more
> {code}
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