[GitHub] [carbondata] ravipesala commented on a change in pull request #3324: [HOTFIX] Fix task id in FileFormat write

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ravipesala commented on a change in pull request #3324: [HOTFIX] Fix task id in FileFormat write
URL: https://github.com/apache/carbondata/pull/3324#discussion_r303194690
 
 

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 File path: integration/spark-datasource/src/main/scala/org/apache/spark/sql/carbondata/execution/datasources/SparkCarbonFileFormat.scala
 ##########
 @@ -143,6 +145,13 @@ class SparkCarbonFileFormat extends FileFormat
     conf.set(CarbonSQLHadoopMapReduceCommitProtocol.COMMIT_PROTOCOL, "true")
 
     new OutputWriterFactory {
+
+      /**
+       * counter used for generating unique task numbers.
+       */
+      val counter = new AtomicLong()
 
 Review comment:
   @jackylk in carbon taskid is treated as number, not a string so the queries might fail. And to change the number to the string may need more changes. So here uuid generated based on the taskid and counter.

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