Got it; Thanks for the feedback!

2017-12-08 18:26 GMT+08:00 skyyws <[email protected]>:

> ok, I've already created a jira about this problem:
> https://issues.apache.org/jira/browse/KYLIN-3091
>
> 2017-12-08
> ------------------------------
> skyyws
> ------------------------------
>
> *发件人:*ShaoFeng Shi <[email protected]>
> *发送时间:*2017-12-08 17:52
> *主题:*Re: Re: A problem about retention rate analyze
> *收件人:*"user"<[email protected]>
> *抄送:*
>
> Should be a bug, could you please report a JIRA to track this? Thanks!
>
> 2017-12-08 9:08 GMT+08:00 skyyws <[email protected]>:
>
>> ok, my kylin version is kylin 2.0.0-hbase 0.98.8. here is the error log:
>> ------------------------------------------------------------
>> -----------------------------------------------------------
>> Caused by: java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
>>         at java.util.ArrayList.rangeCheck(ArrayList.java:635)
>>         at java.util.ArrayList.get(ArrayList.java:411)
>>         at org.apache.kylin.query.relnode.ColumnRowType.getColumnByInde
>> x(ColumnRowType.java:49)
>>         at org.apache.kylin.query.relnode.OLAPAggregateRel.fillbackOpti
>> mizedColumn(OLAPAggregateRel.java:396)
>>         at org.apache.kylin.query.relnode.OLAPAggregateRel.buildRewrite
>> FieldsAndMetricsColumns(OLAPAggregateRel.java:347)
>>         at org.apache.kylin.query.relnode.OLAPAggregateRel.implementRew
>> rite(OLAPAggregateRel.java:283)
>>         at org.apache.kylin.query.relnode.OLAPRel$RewriteImplementor.
>> visitChild(OLAPRel.java:158)
>>         at org.apache.kylin.query.relnode.OLAPLimitRel.implementRewrite
>> (OLAPLimitRel.java:107)
>>         at org.apache.kylin.query.relnode.OLAPRel$RewriteImplementor.
>> visitChild(OLAPRel.java:158)
>>         at org.apache.kylin.query.relnode.OLAPToEnumerableConverter.imp
>> lement(OLAPToEnumerableConverter.java:100)
>>         at org.apache.calcite.adapter.enumerable.EnumerableRelImplement
>> or.implementRoot(EnumerableRelImplementor.java:108)
>>         at org.apache.calcite.adapter.enumerable.EnumerableInterpretabl
>> e.toBindable(EnumerableInterpretable.java:92)
>>         at org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePrepari
>> ngStmt.implement(CalcitePrepareImpl.java:1248)
>>         at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:
>> 306)
>>         at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:
>> 203)
>>         at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(Calc
>> itePrepareImpl.java:776)
>>         at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(Calci
>> tePrepareImpl.java:632)
>>         at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(Cal
>> citePrepareImpl.java:602)
>>         at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(Cal
>> citeConnectionImpl.java:214)
>>         at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(Ca
>> lciteMetaImpl.java:595)
>>         at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecu
>> teInternal(AvaticaConnection.java:615)
>>         at org.apache.calcite.avatica.AvaticaStatement.executeInternal(
>> AvaticaStatement.java:148)
>> ------------------------------------------------------------
>> -----------------------------------------------------------
>> 2017-12-08
>> ------------------------------
>> skyyws
>> ------------------------------
>>
>> *发件人:*ShaoFeng Shi <[email protected]>
>> *发送时间:*2017-12-07 22:53
>> *主题:*Re: A problem about retention rate analyze
>> *收件人:*"user"<[email protected]>
>> *抄送:*
>>
>> Hi Sky,
>>
>> What's the error you got when querying just one intersect_count? Besides,
>> what's your Kylin version?
>>
>> 2017-12-07 16:22 GMT+08:00 skyyws <[email protected]>:
>>
>>> Hi guys,
>>> I found that kylin supported retention rate analyze function, so I made
>>> some test for this function. The following SQL executed successful:
>>> ------------------------------------------------------------
>>> -----------------------------------------------------------
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> *select city, version,intersect_count(uuid, dt, array['20161014']) as
>>> first_day,intersect_count(uuid, dt, array['20161015']) as
>>> second_day,intersect_count(uuid, dt, array['20161016']) as
>>> third_day,intersect_count(uuid, dt, array['20161014', '20161015']) as
>>> retention_oneday,intersect_count(uuid, dt, array['20161014', '20161015',
>>> '20161016']) as retention_twodayfrom visit_logwhere dt in ('2016104',
>>> '20161015', '20161016')group by city, version*
>>> ------------------------------------------------------------
>>> -----------------------------------------------------------
>>> but, other SQLs executed failed like this:
>>> ------------------------------------------------------------
>>> -----------------------------------------------------------
>>>
>>> *select city, version, intersect_count(uuid, dt, array['20161014',
>>> '20161015']) as retention_onedayfrom visit_log where dt in ('2016104',
>>> '20161015',) group by city, version*
>>> ------------------------------------------------------------
>>> -----------------------------------------------------------
>>>
>>> *select city, version,intersect_count(uuid, dt, array['20161014',
>>> '20161015', '20161016']) as retention_twodayfrom visit_log where dt in
>>> ('2016104', '20161015', '20161016') group by city, version*
>>> ------------------------------------------------------------
>>> -----------------------------------------------------------
>>> which means I cannot use just one intersect_count UDAF in a SQL, at
>>> lease two intersect_count, is this a bug or designed to do so?
>>>
>>> 2017-12-07
>>> ------------------------------
>>> skyyws
>>>
>>
>>
>>
>> --
>> Best regards,
>>
>> Shaofeng Shi 史少锋
>>
>>
>
>
> --
> Best regards,
>
> Shaofeng Shi 史少锋
>
>


-- 
Best regards,

Shaofeng Shi 史少锋

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