Can you add the following into your code ?
import sqlContext.implicits._
On Fri, Mar 4, 2016 at 1:14 PM, Mich Talebzadeh <[email protected]>
wrote:
> Hi,
>
> I have a simple Scala program as below
>
> import org.apache.spark.SparkContext
> import org.apache.spark.SparkContext._
> import org.apache.spark.SparkConf
> import org.apache.spark.sql.SQLContext
> object Sequence {
> def main(args: Array[String]) {
> val conf = new SparkConf().setAppName("Sequence")
> val sc = new SparkContext(conf)
> val sqlContext = new org.apache.spark.sql.SQLContext(sc)
> val HiveContext = new org.apache.spark.sql.hive.HiveContext(sc)
> val a = Seq(("Mich",20), ("Christian", 18), ("James",13), ("Richard",16))
> // Sort option 1 using tempTable
> val b = a.toDF("Name","score").registerTempTable("tmp")
> sql("select Name,score from tmp order by score desc").show
> // Sort option 2 with FP
> a.toDF("Name","score").sort(desc("score")).show
> }
> }
>
> I build this using sbt tool as below
>
> cat sequence.sbt
> name := "Sequence"
> version := "1.0"
> scalaVersion := "2.10.5"
> libraryDependencies += "org.apache.spark" %% "spark-core" % "1.5.0"
> libraryDependencies += "org.apache.spark" %% "spark-sql" % "1.0.0"
> libraryDependencies += "org.apache.spark" %% "spark-hive" % "1.5.0"
>
>
> But it fails compilation as below
>
> [info] Compilation completed in 12.366 s
> [error]
> /home/hduser/dba/bin/scala/Sequence/src/main/scala/Sequence.scala:15: value
> toDF is not a member of Seq[(String, Int)]
> [error] val b = a.toDF("Name","score").registerTempTable("tmp")
> [error] ^
> [error]
> /home/hduser/dba/bin/scala/Sequence/src/main/scala/Sequence.scala:16: not
> found: value sql
> [error] sql("select Name,score from tmp order by score desc").show
> [error] ^
> [error]
> /home/hduser/dba/bin/scala/Sequence/src/main/scala/Sequence.scala:18: value
> toDF is not a member of Seq[(String, Int)]
> [error] a.toDF("Name","score").sort(desc("score")).show
> [error] ^
> [error] three errors found
> [error] (compile:compileIncremental) Compilation failed
> [error] Total time: 95 s, completed Mar 4, 2016 9:06:40 PM
>
> I think I am missing some dependencies here
>
>
> I have a simple
>
> Dr Mich Talebzadeh
>
>
>
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>
>
>
> http://talebzadehmich.wordpress.com
>
>
>
