jackylk commented on issue #3378: [CARBONDATA-3514] Support Spark 2.4.4 integration URL: https://github.com/apache/carbondata/pull/3378#issuecomment-565967407 If we seperate mudole spark2 into multiple modules for each spark version, such as spark21, spark22, spark23, we will need to duplicate more code, like for the code in commonTo2.1And2.2. Then we need to make a new module for commonTo2.1And2.2 only. So, it will become too many profiles to manage. Because of this, it is very hard to keep code common and still adapt to multiple spark versions.
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