commit | 07c98e877b0287f259d07f7ad8f519f0f60c2b07 | [log] [tgz] |
---|---|---|
author | Mahesh Raju Somalaraju <mahesh.somalaraju@huawei.com> | Tue May 18 16:02:38 2021 +0530 |
committer | Indhumathi27 <indhumathim27@gmail.com> | Mon May 24 12:34:27 2021 +0530 |
tree | bd9cec923918478c90eff3bb0265c8b6f8a447ef | |
parent | 35091a2e5c837b9ecdb292ab70038b8e329813db [diff] |
[CARBONDATA-4189] alter table validation issues Why is this PR needed? 1. Alter table duplicate columns check for dimensions/complex columns missed 2. Alter table properties with long strings for complex columns should not support What changes were proposed in this PR? 1. Changed the dimension columns list type in preparing dimensions columns [LinkedHashSet to Scala Seq] for handling the duplicate columns 2. Added check for throwing an exception in case of long strings for complex columns Does this PR introduce any user interface change? No Is any new testcase added? Yes This closes #4138
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
Some features are marked as experimental because the syntax/implementation might change in the future.
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).