[GitHub] carbondata pull request #2023: [HOXFIX] Add show and drop datamap code

[jackylk]

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2023#discussion_r172007572
  
    --- Diff: 
examples/spark2/src/main/scala/org/apache/carbondata/examples/PreAggregateDataMapExample.scala
 ---
    @@ -51,6 +51,7 @@ object PreAggregateTableExample {
            LOAD DATA LOCAL INPATH '$testData' into table mainTable
            """)
     
    +    // create datamaps of pre-aggregate
    --- End diff --
    
    better change to `create pre-aggregate table by datamap`


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