commit | 6165901032d1acf6a053b395928df9298fd1c2e0 | [log] [tgz] |
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author | Nitin-Kashyap <nk.kashyap@gmail.com> | Tue Jun 30 20:32:24 2020 +0530 |
committer | ajantha-bhat <ajanthabhat@gmail.com> | Mon Jul 20 21:48:28 2020 +0530 |
tree | a06b55f998680b89a431edb9c18814a181c35ef8 | |
parent | 05dc1e63ba7ce1f3abd54e7a2f91c4a94195b6b9 [diff] |
[Carbondata-3883] Added filtering for the deleted rows for local dictionary fields Why is this PR needed? In Presto integration when reading records for table with string fields and local dictionary enabled gives improper result. What changes were proposed in this PR? Added a CarbondataColumnVectorWrapper for the dictionary vector for column for which internally create dictionary vector. Wrapper is used to filter the deleted records. Does this PR introduce any user interface change? No Is any new testcase added? No This closes #3818
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).