wonderful job~ very interested in this topic~ 2015-06-08 18:27 GMT+08:00 Sébastien Jelsch <[email protected]>:
> I found the reason for this issue ( > https://issues.apache.org/jira/browse/KYLIN-819 < > https://issues.apache.org/jira/browse/KYLIN-819> ) and fixed it ( > https://github.com/apache/incubator-kylin/pull/9 < > https://github.com/apache/incubator-kylin/pull/9> ). > > And I have some good news: With Mondrian 4 ( the lagunitas branch: > https://github.com/pentaho/mondrian/tree/lagunitas < > https://github.com/pentaho/mondrian/tree/lagunitas> ) and my kylin > dialect ( https://github.com/pentaho/mondrian/pull/480 < > https://github.com/pentaho/mondrian/pull/480> ) I’m able to work with > Mondrian and Kylin! In the coming days I’ll write a HowTo about my > experiences. > > Best regards, > Sébastien Jelsch > > > > > > Am 22.05.2015 um 18:33 schrieb Luke Han <[email protected]>: > > > > Please handle this part to Shanghai team, I will put this story in v0.7.2 > > (after successful release v0.7.1). > > > > Thanks. > > > > > > Best Regards! > > --------------------- > > > > Luke Han > > > > 2015-05-23 0:25 GMT+08:00 divye sheth <[email protected]>: > > > >> Will wait for the core committers. In the meantime might as well test > kylin > >> with 0.9.2. > >> > >> Thanks! > >> On May 22, 2015 21:52, "Julian Hyde" <[email protected]> wrote: > >> > >>> Calcite 0.9.2 -> 1.0 is a tricky upgrade. I think you should leave it > to > >>> the core committers. > >>> > >>> I wouldn't even be sure that the upgrade from 0.9.1 to 0.9.2 worked > until > >>> the tests had passed. > >>> > >>> On Fri, May 22, 2015 at 9:11 AM, divye sheth <[email protected]> > >> wrote: > >>> > >>>> The 0.9.2 release builds fine with Kylin (just built kylin have not > >>>> tested). With the Calcite 1.0 release there have been significant > >>>> class/package renaming and movement as well as some additional classes > >>>> coming in. Currently I am trying to figure out AvaticaPrepareResult -> > >>>> Meta.Signature > >>>> I am trying my best here. Java is something that I am not that strong > >>> with > >>>> :-) > >>>> > >>>> Thanks > >>>> Divye Sheth > >>>> On May 22, 2015 21:12, "Julian Hyde" <[email protected]> wrote: > >>>> > >>>>> There are significant API changes between Calcite 0.9 and 1.0. Read > >> the > >>>> 1.0 > >>>>> release notes > >>>>> > >>>>> > >>>> > >>> > >> > https://github.com/apache/incubator-calcite/blob/branch-1.3/doc/history.md#100-incubating--2015-01-31 > >>>>> , > >>>>> and use the API mapping > >>>>> > >> https://issues.apache.org/jira/secure/attachment/12681620/mapping.txt > >>> if > >>>>> you need to. Consider upgrading to 0.9.2 (the last release with the > >> old > >>>>> API) and getting that working before moving to the renamed API. > >>>>> > >>>>> I've logged https://issues.apache.org/jira/browse/KYLIN-780 to track > >>>> this. > >>>>> > >>>>> > >>>>> On Thu, May 21, 2015 at 9:51 PM, divye sheth <[email protected]> > >>>> wrote: > >>>>> > >>>>>> Thanks Julian, will try porting optiq 0.9 to calcite 1.0. Will > >> commit > >>>> if > >>>>>> successfull. > >>>>>> > >>>>>> Thanks > >>>>>> Divye Sheth > >>>>>> On May 21, 2015 22:18, "Julian Hyde" <[email protected]> wrote: > >>>>>> > >>>>>>> It seems that Mondrian is trying to access a string column as if > >> it > >>>>> were > >>>>>> a > >>>>>>> long. Maybe you declared the column of the wrong type in your > >>>> Mondrian > >>>>>>> schema file? Or maybe Kylin is not reporting the type accurately. > >>>>>>> > >>>>>>> The JDBC driver code that is failing to convert ( > >>>>>>> *net.hydromatic.optiq.runtime.AbstractCursor*) is in Optiq, now > >>>> called > >>>>>>> Calcite. Later versions of Calcite are more permissive about > >>>>> conversions > >>>>>> so > >>>>>>> if Kylin upgraded to a more recent version of Calcite that would > >>>>> probably > >>>>>>> improve things. > >>>>>>> > >>>>>>> On Wed, May 20, 2015 at 2:47 AM, divye sheth < > >> [email protected] > >>>> > >>>>>> wrote: > >>>>>>> > >>>>>>>> Hi Devs, > >>>>>>>> > >>>>>>>> I am trying to get Mondrian to run over Kylin but get an > >>> exception > >>>>>> while > >>>>>>>> creating a connection to Kylin via Mondrian below are the steps > >>>> that > >>>>> I > >>>>>>> have > >>>>>>>> followed: > >>>>>>>> > >>>>>>>> 1. Setup Kylin using On-hadoop Install > >>>>>>>> 2. Execute the ./sample.sh script to create sample cube in > >> Kylin > >>>>>>>> 3. Build Cube > >>>>>>>> 4. Test queries against the cube. Also tested using JDBC > >> driver. > >>>>>>>> > >>>>>>>> But when I try to execute MDX using Mondrian on top of Kylin I > >>> get > >>>> an > >>>>>>>> exception trace as follows: > >>>>>>>> *[Mondrian Monitor]:[2015-05-20 > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > 14:55:34,563][DEBUG][mondrian.server.MonitorImpl$Actor.run(MonitorImpl.java:975)] > >>>>>>>> - StatementEndEvent(0)* > >>>>>>>> *java.lang.RuntimeException: cannot convert to long > >>>>>>>> > >>> (net.hydromatic.optiq.runtime.AbstractCursor$StringAccessor@fff056c > >>>>> )* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > net.hydromatic.optiq.runtime.AbstractCursor$AccessorImpl.cannotConvert(AbstractCursor.java:287)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > net.hydromatic.optiq.runtime.AbstractCursor$AccessorImpl.getLong(AbstractCursor.java:243)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > net.hydromatic.optiq.runtime.AbstractCursor$AccessorImpl.getInt(AbstractCursor.java:239)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > net.hydromatic.avatica.AvaticaResultSet.getInt(AvaticaResultSet.java:220)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > org.apache.commons.dbcp.DelegatingResultSet.getInt(DelegatingResultSet.java:225)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.aggmatcher.JdbcSchema$Table.loadColumns(JdbcSchema.java:972)* > >>>>>>>> * at > >>>>>>> > >>> mondrian.rolap.aggmatcher.JdbcSchema$Table.load(JdbcSchema.java:775)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchema$PhysTable.populateColumns(RolapSchema.java:1853)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchema$PhysRelationImpl.ensurePopulated(RolapSchema.java:1519)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchema$PhysTable.ensurePopulated(RolapSchema.java:1729)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchemaLoader.registerTable(RolapSchemaLoader.java:1051)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchemaLoader.validatePhysicalSchema(RolapSchemaLoader.java:715)* > >>>>>>>> * at > >>>>>>>> > >>>>>> > >>>> > >> mondrian.rolap.RolapSchemaLoader.loadStage2(RolapSchemaLoader.java:376)* > >>>>>>>> * at > >>>>>>>> > >>>>>> > >>>> > >> mondrian.rolap.RolapSchemaLoader.loadStage1(RolapSchemaLoader.java:336)* > >>>>>>>> * at > >>>>>>>> > >>>>>> > >>>> > >> mondrian.rolap.RolapSchemaLoader.loadStage0(RolapSchemaLoader.java:272)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.rolap.RolapSchemaLoader.createSchema(RolapSchemaLoader.java:4303)* > >>>>>>>> * at > >>> mondrian.rolap.RolapSchemaPool.get(RolapSchemaPool.java:210)* > >>>>>>>> * at > >> mondrian.rolap.RolapSchemaPool.get(RolapSchemaPool.java:62)* > >>>>>>>> * at > >>>> mondrian.rolap.RolapConnection.<init>(RolapConnection.java:160)* > >>>>>>>> * at > >>>> mondrian.rolap.RolapConnection.<init>(RolapConnection.java:84)* > >>>>>>>> * at > >>>>> mondrian.olap.DriverManager.getConnection(DriverManager.java:112)* > >>>>>>>> * at > >>>>> mondrian.olap.DriverManager.getConnection(DriverManager.java:68)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.olap4j.MondrianOlap4jConnection.<init>(MondrianOlap4jConnection.java:153)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.olap4j.FactoryJdbc4Plus$AbstractConnection.<init>(FactoryJdbc4Plus.java:323)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.olap4j.FactoryJdbc41Impl$MondrianOlap4jConnectionJdbc41.<init>(FactoryJdbc41Impl.java:118)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.olap4j.FactoryJdbc41Impl.newConnection(FactoryJdbc41Impl.java:32)* > >>>>>>>> * at > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > mondrian.olap4j.MondrianOlap4jDriver.connect(MondrianOlap4jDriver.java:139)* > >>>>>>>> * at > >>> java.sql.DriverManager.getConnection(DriverManager.java:571)* > >>>>>>>> * at > >>> java.sql.DriverManager.getConnection(DriverManager.java:233)* > >>>>>>>> * at > >>>>>>> > >>> com.fractal.mondrian.kylin.MondrianKylin.main(MondrianKylin.java:27)* > >>>>>>>> > >>>>>>>> I tried searching a lot but the only link I could find related > >> to > >>>>> this > >>>>>>>> issue was > >>>>>>>> > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > https://groups.google.com/forum/#!searchin/optiq-dev/mondrian/optiq-dev/qMd5FyOtp28/-BBsC4ScKe0J > >>>>>>>> > >>>>>>>> *Kylin Version: 0.7-1* > >>>>>>>> *Hadoop: 2.6* > >>>>>>>> *Hbase: 0.98* > >>>>>>>> *Hive: 1.0.1* > >>>>>>>> *Mondrian Jar: 4.3* > >>>>>>>> > >>>>>>>> Attached is the mondrian xml for reference that corresponds to > >>> the > >>>>> cube > >>>>>>> in > >>>>>>>> Kylin. > >>>>>>>> I am not pretty sure what am I doing wrong, any help/pointers > >>> would > >>>>> be > >>>>>>>> appreciated a lot. Apologize if this is not a Kylin issue. > >>>>>>>> > >>>>>>>> I am new to the Kylin community. > >>>>>>>> > >>>>>>>> Thanks > >>>>>>>> Divye Sheth > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > >
