commit | 65d9813652d76bd6b0c37e360618459224a08f21 | [log] [tgz] |
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author | Indhumathi27 <indhumathim27@gmail.com> | Fri Jul 03 21:09:49 2020 +0530 |
committer | QiangCai <qiangcai@qq.com> | Fri Jul 10 18:33:13 2020 +0800 |
tree | f7f0bc088196ff309c3285565f7fcb657a353a8c | |
parent | 6a20e9f5e5a98f185cd213de1799d8d7cc0dc1ef [diff] |
[CARBONDATA-3890] Fix MV case sensitive issues with ImplicitCastInputTypes and add DOC for show MV Why is this PR needed? Issue 1: Queries having implicitCastInputTypes expressions is not hitting mv when expression is provided in Upper case Issue 2: MV document does not have info for SHOW MATERIALIZED VIEWS command What changes were proposed in this PR? Solution 1: Transform castOrImplicitCastExp expression to change it's child attribute reference name to lower case while matching subsumer and subsume Solution 2: Added document for SHOW MATERIALIZED VIEWS command Does this PR introduce any user interface change? No Is any new testcase added? Yes This closes #3823
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).