Commit0838a86

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Update TypedDataset.scala

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src/main/scala/com/sparkTutorial/sparkSql
- TypedDataset.scala

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`‎src/main/scala/com/sparkTutorial/sparkSql/TypedDataset.scala`

Lines changed: 8 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,7 +12,6 @@ object TypedDataset {`
`12`	`12`	`defmain(args:Array[String]) {`
`13`	`13`	`Logger.getLogger("org").setLevel(Level.ERROR)`
`14`	`14`	`valsession=SparkSession.builder().appName("StackOverFlowSurvey").master("local[*]").getOrCreate()`
`15`		`-importsession.implicits._`
`16`	`15`
`17`	`16`	`valdataFrameReader= session.read`
`18`	`17`
`@@ -21,12 +20,16 @@ object TypedDataset {`
`21`	`20`	`.option("inferSchema", value=true)`
`22`	`21`	`.csv("in/2016-stack-overflow-survey-responses.csv")`
`23`	`22`
`24`		`-valresponseWithSelectedColumns= responses.withColumn("country", responses.col("country"))`
`25`		`- .withColumn("ageMidPoint", responses.col("age_midpoint").cast("integer"))`
	`23`	`+valresponseWithSelectedColumns= responses.select("country","age_midpoint","occupation","salary_midpoint")`
	`24`	`+`
	`25`	`+valresponseWithRenamedColumns= responseWithSelectedColumns`
	`26`	`+ .withColumn("country", responses.col("country"))`
	`27`	`+ .withColumn(AGE_MIDPOINT, responses.col("age_midpoint").cast("integer"))`
`26`	`28`	`.withColumn("occupation", responses.col("occupation"))`
`27`		`- .withColumn("salaryMidPoint", responses.col("salary_midpoint").cast("integer"))`
	`29`	`+ .withColumn(SALARY_MIDPOINT, responses.col("salary_midpoint").cast("integer"))`
`28`	`30`
`29`		`-valtypedDataset= responseWithSelectedColumns.as[Response]`
	`31`	`+importsession.implicits._`
	`32`	`+valtypedDataset= responseWithRenamedColumns.as[Response]`
`30`	`33`
`31`	`34`	`System.out.println("=== Print out schema ===")`
`32`	`35`	`typedDataset.printSchema()`

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Commit0838a86

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`‎src/main/scala/com/sparkTutorial/sparkSql/TypedDataset.scala`

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