Re: [Discussion] Implement Partition Table Feature

2017-04-19 Thread Liang Chen
ll be there? >> 4. As a further optimization, is it possible that we map the partition to >> DataNode such that we do not need to communicate with NameNode for every >> query? Can this mapping be considered like a cache? >> >> Regards, >> Jacky >> >> >>

Re: [Discussion] Implement Partition Table Feature

2017-04-17 Thread Lu Cao
> In the future, will support other filter(range, in...) > > 5. Partition tables join on partition column > > 6. Alter table add/drop partition > > Any suggestion? > > Best Regards, > David QiangCai > > > > -- > View this message in context: http://apa

Re: [Discussion] Implement Partition Table Feature

2017-04-17 Thread QiangCai
, David QiangCai -- View this message in context: http://apache-carbondata-mailing-list-archive.1130556.n5.nabble.com/Discussion-Implement-Partition-Table-Feature-tp10938p11151.html Sent from the Apache CarbonData Mailing List archive mailing list archive at Nabble.com.

Re: [Discussion] Implement Partition Table Feature

2017-04-16 Thread QiangCai
partition column filter to get partition id list, use partition id list to filter BTree. 5. partition tables join on partition column -- View this message in context: http://apache-carbondata-mailing-list-archive.1130556.n5.nabble.com/Discussion-Implement-Partition-Table-Feature-tp10938p11139

Re: [Discussion] Implement Partition Table Feature

2017-04-15 Thread Jacky Li
every > query? Can this mapping be considered like a cache? > > Regards, > Jacky > > > -- > View this message in context: > http://apache-carbondata-mailing-list-archive.1130556.n5.nabble.com/Discussion-Implement-Partition-Table-Feature-tp10938p11063.html > S

Re: [Discussion] Implement Partition Table Feature

2017-04-14 Thread Jacky Li
that we do not need to communicate with NameNode for every query? Can this mapping be considered like a cache? Regards, Jacky -- View this message in context: http://apache-carbondata-mailing-list-archive.1130556.n5.nabble.com/Discussion-Implement-Partition-Table-Feature-tp10938p11063.html Sent

[Discussion] Implement Partition Table Feature

2017-04-13 Thread Lu Cao
Hi Dev, I've drafted a doc about implement the partition table feature, please help review and give your advices. https://github.com/lionelcao/CarbonData_Docs/blob/master/partition.md Thanks, Cao Lu