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[SPARK-4774] [SQL] Makes HiveFromSpark more portable #3628

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[SPARK-4774] [SQL] Makes HiveFromSpark more portable #3628

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13 changes: 11 additions & 2 deletions examples/src/main/scala/org/apache/spark/examples/sql/hive/HiveFromSpark.scala
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Expand Up @@ -17,17 +17,26 @@

package org.apache.spark.examples.sql.hive

import com.google.common.io.{ByteStreams, Files}

import java.io.File

import org.apache.spark.{SparkConf, SparkContext}
import org.apache.spark.sql._
import org.apache.spark.sql.hive.HiveContext

object HiveFromSpark {
case class Record(key: Int, value: String)

// Copy kv1.txt file from classpath to temporary directory
val kv1Stream = HiveFromSpark.getClass.getResourceAsStream("/kv1.txt")
val kv1File = File.createTempFile("kv1", "txt")
kv1File.deleteOnExit()
ByteStreams.copy(kv1Stream, Files.newOutputStreamSupplier(kv1File))

def main(args: Array[String]) {
val sparkConf = new SparkConf().setAppName("HiveFromSpark")
val sc = new SparkContext(sparkConf)
val path = s"${System.getenv("SPARK_HOME")}/examples/src/main/resources/kv1.txt"

// A hive context adds support for finding tables in the MetaStore and writing queries
// using HiveQL. Users who do not have an existing Hive deployment can still create a
Expand All @@ -37,7 +46,7 @@ object HiveFromSpark {
import hiveContext._

sql("CREATE TABLE IF NOT EXISTS src (key INT, value STRING)")
sql(s"LOAD DATA LOCAL INPATH '$path' INTO TABLE src")
sql(s"LOAD DATA LOCAL INPATH '${kv1File.getAbsolutePath}' INTO TABLE src")

// Queries are expressed in HiveQL
println("Result of 'SELECT *': ")
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