Created
April 25, 2018 12:35
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Json and CSV file diff using Spark
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object Diff extends App { | |
val jsonInput = "file.json" | |
val csvInput = "file.csv" | |
val config: SparkConf = new SparkConf() | |
.setAppName("Step diff") | |
.setMaster("local[8]") | |
val spark = SparkSession | |
.builder() | |
.appName("Spark SQL basic example") | |
.config(config) | |
.getOrCreate() | |
val csvIds: DataFrame = spark.sqlContext.read.csv(csvInput) | |
val jsonIds: DataFrame = spark.sqlContext.read.json(jsonInput) | |
val diff: Dataset[Row] = csvIds except jsonIds | |
diff.rdd.coalesce(1).saveAsTextFile("diff.txt") | |
} |
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scalaVersion := "2.11.8"
val sparkVersion = "2.1.1"
libraryDependencies ++= Seq(
"org.apache.spark" %% "spark-core" % sparkVersion,
"org.apache.spark" %% "spark-streaming" % sparkVersion,
"org.apache.spark" %% "spark-sql" % sparkVersion
)