Github user chenliang613 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2779#discussion_r221414692
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integration/spark2/src/main/spark2.3/org/apache/spark/sql/execution/strategy/CarbonDataSourceScan.scala
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+/*
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My comment : only for 4 parameters , copy the whole
file(CarbonDataSourceScan.scala) for spark 2.3 integration, may not require.
see if can add the judgement for different spark version with different
code/parameters.
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