Re: Writing the results of the stream onto a CSV File
Hi Abdul, the DataStream#writeAsText does not support a TextFormatter as argument. You either have to implement your own OutputFormat and calling DataStream#writeUsingOutputFormat or as Fabio recommended simply use DataStream#writeAsCsv. Cheers, Till On Fri, Apr 28, 2017 at 11:46 AM, Fábio Diaswrote: > Hi, > > Instead of use writeAsText you have a writeAsCsv https://ci.apache. > org/projects/flink/flink-docs-master/api/java/org/apache/ > flink/streaming/api/datastream/DataStream.html > > You can use just with the string path (like you have) or you can use the > overwrite flag if it suit your needs. > > Best Regards, > Fábio Dias. > > Abdul Salam Shaikh escreveu no dia sexta, > 28/04/2017 às 10:18: > >> Hi, >> >> I am trying to write the results of my stream into a CSV format using the >> following code and it has compilation issues: >> >> DataStream objectStream = windowedStream.flatMap(new >> WindowObjectStreamTransformer()); >> objectStream.writeAsText("H:\\data.csv", new >> TextFormatter() >> { >> public String format (DetectorStatistics value) { >> return value.getDetectorId() + " ," + >> value.getActualPhaseTime() ; >> } >> }); >> >> What am I doing wrong here ? Or is there an alternative way to write >> records onto a CSV file ? >> >> Thanks! >> >>
Re: Writing the results of the stream onto a CSV File
Hi, Instead of use writeAsText you have a writeAsCsv https://ci.apache.org/projects/flink/flink-docs-master/api/java/org/apache/flink/streaming/api/datastream/DataStream.html You can use just with the string path (like you have) or you can use the overwrite flag if it suit your needs. Best Regards, Fábio Dias. Abdul Salam Shaikhescreveu no dia sexta, 28/04/2017 às 10:18: > Hi, > > I am trying to write the results of my stream into a CSV format using the > following code and it has compilation issues: > > DataStream objectStream = windowedStream.flatMap(new > WindowObjectStreamTransformer()); > objectStream.writeAsText("H:\\data.csv", new > TextFormatter() { > public String format (DetectorStatistics value) { > return value.getDetectorId() + " ," + > value.getActualPhaseTime() ; > } > }); > > What am I doing wrong here ? Or is there an alternative way to write > records onto a CSV file ? > > Thanks! > >
Writing the results of the stream onto a CSV File
Hi, I am trying to write the results of my stream into a CSV format using the following code and it has compilation issues: DataStream objectStream = windowedStream.flatMap(new WindowObjectStreamTransformer()); objectStream.writeAsText("H:\\data.csv", new TextFormatter() { public String format (DetectorStatistics value) { return value.getDetectorId() + " ," + value.getActualPhaseTime() ; } }); What am I doing wrong here ? Or is there an alternative way to write records onto a CSV file ? Thanks!