commit | 6b7faccde15371e316900bf2e3552c653b0c05e3 | [log] [tgz] |
---|---|---|
author | ajantha-bhat <ajanthabhat@gmail.com> | Sat Feb 15 08:42:42 2020 +0530 |
committer | Jacky Li <jacky.likun@qq.com> | Tue Feb 25 23:27:13 2020 +0800 |
tree | 1f6d38229358e013a8fd2053978e420803607db8 | |
parent | 070d7e70fa8aa88815825bbbccb4ba86eedc5d4a [diff] |
[CARBONDATA-3637] Use optimized insert flow for MV and insert stage command Why is this PR needed? MV and insert stage can use the new optimized insert into flow. Also In the new insert into flow, found one issue with the partition column. Fixed it. If the catalog table schema is already rearranged, don't rearrange again. Timestamp converter was not handled for 0 value. Need to set it to Null when it is 0. While deriving the index for the convert to 3 step for new insert flow, order was based on internal partition order, instead of internal order. What changes were proposed in this PR? changed MV and insert stage command to use optimized insert flow. After this changes, b. CarbonInsertIntoCommand -- insert DML, CTAS DML, MV, insert stage command. c. CarbonInsertIntoWithDf -- old flow which supports bad record handling with converter step method that process update, compaction, df writer, alter table scenarios [some problem in rearranging now] Does this PR introduce any user interface change? No Is any new testcase added? No This closes #3615
Apache CarbonData is an indexed columnar data store solution for fast analytics on big data platform, e.g.Apache Hadoop, Apache Spark, etc.
You can find the latest CarbonData document and learn more at: http://carbondata.apache.org
CarbonData file format is a columnar store in HDFS, it has many features that a modern columnar format has, such as splittable, compression schema ,complex data type etc, and CarbonData has following unique features:
CarbonData is built using Apache Maven, to build CarbonData
This is an active open source project for everyone, and we are always open to people who want to use this system or contribute to it. This guide document introduce how to contribute to CarbonData.
To get involved in CarbonData:
Apache CarbonData is an open source project of The Apache Software Foundation (ASF).