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Ran 18 Jun 2019 08:11AM UTC

Files 1061

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Committed 18 Jun 2019 08:11AM UTC coverage: 77.32% (+5.9%) from 71.462%

Job # 1777.1

Build Type

push

jenkins

Committed by kunal642

Commit Message

[CARBONDATA-3433]Fix MV issues related to duplicate columns, limit and constant columns

Problem:
MV has below issues:
when has duplicate columns in select query, MV creation fails, but select is valid query
when used constant column in ctas for datamap creation, it fails
when limit is used in ctas for datamap creation, it fails

Solution:
since duplicate columns in query is valid, MV should support, so when creating columns, better take distinct columns
handle getting field relation map when we have constant column in query
block MV creation for limit ctas query, as it is not a valid case to use MV datamap.

This closes #3285

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