akashrn5 commented on a change in pull request #3285: [CARBONDATA-3433]Fix MV
issues related to duplicate columns, limit and constant columns
URL: https://github.com/apache/carbondata/pull/3285#discussion_r293368997
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File path:
datamap/mv/core/src/main/scala/org/apache/carbondata/mv/datamap/MVHelper.scala
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@@ -96,7 +104,8 @@ object MVHelper {
children = None,
rawSchema = rawSchema)
}
- }
+ }.distinct
Review comment:
yes, thanks for the input, i cross verified this, it remains same order, as
distinct creates new set which contains the first occurance of every element of
the input sequence. So if its a,b,b,c,c,d,e, after distinct it remains same
order as a,b,c,d,e
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