akashrn5 opened a new pull request #3257: [CARBONDATA-3309]Fix MV modular plan generation failure for spark 2.1
URL:
https://github.com/apache/carbondata/pull/3257
### Problem:
In Spark2.1 version, we have Metastore relation instead of HiveTableRelation as in current spark. So this case is not handled.
### Solution
When it is MetastoreRelaton, get the catalogTable and get all the info from it to form the ModularRelation, to form the modular plan. Reflection is used to fix this.
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- [x] Any interfaces changed?
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- [x] Any backward compatibility impacted?
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- [x] Document update required?
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- [x] Testing done
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- [x] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
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