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From felixcheung <...@git.apache.org>
Subject [GitHub] spark pull request #14368: [SPARK-16734][EXAMPLES][SQL] Revise examples of a...
Date Tue, 26 Jul 2016 18:39:04 GMT
Github user felixcheung commented on a diff in the pull request:

    https://github.com/apache/spark/pull/14368#discussion_r72310952
  
    --- Diff: examples/src/main/r/RSparkSQLExample.R ---
    @@ -18,31 +18,43 @@
     library(SparkR)
     
     # $example on:init_session$
    -sparkR.session(appName = "MyApp", sparkConfig = list(spark.executor.memory = "1g"))
    +sparkR.session(appName = "MyApp", sparkConfig = list(spark.some.config.option = "some-value"))
     # $example off:init_session$
     
     
    -# $example on:create_DataFrames$
    +# $example on:create_df$
     df <- read.json("examples/src/main/resources/people.json")
     
     # Displays the content of the DataFrame
     head(df)
    +##   age    name
    +## 1  NA Michael
    +## 2  30    Andy
    +## 3  19  Justin
     
     # Another method to print the first few rows and optionally truncate the printing of
long values
     showDF(df)
    -# $example off:create_DataFrames$
    +## +----+-------+
    +## | age|   name|
    +## +----+-------+
    +## |null|Michael|
    --- End diff --
    
    hmm.. this is correct? I think it says NA in R


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