commit | 2b222d4d279e7f0c53c062b0740d4aed3904a960 | [log] [tgz] |
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author | Indhumathi27 <indhumathim27@gmail.com> | Tue Dec 24 13:15:02 2019 +0530 |
committer | Jacky Li <jacky.likun@qq.com> | Sun Dec 29 18:40:59 2019 +0800 |
tree | cbd29f630d0edd7c5f1a8dae297fa9ea3ea8da95 | |
parent | 01d06147d301dc9858278e07c66a040bee75992d [diff] |
[CARBONDATA-3629] Fix Select query failure on aggregation of same column on MV Problem: If MV datamap is created with SELECT a,sum(a) from maintable group by a and later queried with SELECT sum(a) from maintable, query fails as rewritten plan output list doesn't match with the table. Solution: Check if Aggregation exists in GroupBy Node and copy select node with aliasMap This closes #3530
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).