am closing this bug as we should use text method instead of giving format as csv pr 1922 fixed it
> Null values shown when the basic word count example is tried on carbon streaming table
> --------------------------------------------------------------------------------------
>
> Key: CARBONDATA-1990
> URL:
https://issues.apache.org/jira/browse/CARBONDATA-1990> Project: CarbonData
> Issue Type: Bug
> Components: spark-integration
> Affects Versions: 1.3.0
> Environment: spark-2.1
> Reporter: anubhav tarar
> Priority: Major
> Fix For: 1.4.0
>
>
> import org.apache.spark.sql.SparkSession
> import org.apache.spark.sql.CarbonSession._
> import org.apache.spark.sql.types._
> import org.apache.spark.sql.{AnalysisException, DataFrame, DataFrameWriter, Row, SaveMode}
> val carbon = SparkSession.builder().config(sc.getConf) .getOrCreateCarbonSession("hdfs://localhost:54311/newCarbonStore","/tmp")
> carbon.sql("drop table if exists stream_table_csvSource")
> carbon.sql("create table stream_table_csvSource(word string,count string) stored by 'carbondata' TBLPROPERTIES('streaming'='true')")
> import carbon.sqlContext.implicits._
> val userSchema = StructType(
> Array(StructField("name", StringType)))
> val lines = carbon.readStream
> .format("csv")
> .option("path", "file:///home/anubhav/Documents/csv")
> .option("sep",",")
> .schema(userSchema)
> .load()
> lines.printSchema
> val words = lines.as[String].flatMap(_.split("\n"))
> val wordCounts = words.groupBy("value").count()
> val qry = wordCounts.writeStream
> .outputMode("complete")
> .format("carbondata")
> .option("checkpointLocation","file/home/anubhav/Downloads/checkpointlist155")
> .option("dbName", "default")
> .option("tableName", "stream_table_csvSource")
> .start()
> qry.awaitTermination()
> then i close my shell and select data from table there are null values shown
> scala> carbon.sql("select * from stream_table_csvSource").show
> 18/01/05 14:14:34 ERROR CarbonProperties: Executor task launch worker-0 Configured value for property carbon.number.of.cores.while.loading is wrong. Falling back to the default value 2
> +-------+-----+
> | word|count|
> +-------+-----+
> |anubhav| null|
> |geetika| null|
> | prince| null|
> +-------+-----+