Hi, I'm not aware of any plans for this. It might be an interesting feature for the relational APIs but I don't think it would be added to the DataSet or DataStream API.
Best, Fabian Am Mo., 4. Feb. 2019 um 15:23 Uhr schrieb Papadopoulos, Konstantinos < konstantinos.papadopou...@iriworldwide.com>: > Hi Fabian, > > > > Do you know if there is any plan Flink core framework to support such > functionality? > > > > Best, > > Konstantinos > > > > *From:* Fabian Hueske <fhue...@gmail.com> > *Sent:* Δευτέρα, 4 Φεβρουαρίου 2019 3:49 μμ > *To:* Papadopoulos, Konstantinos > <konstantinos.papadopou...@iriworldwide.com> > *Cc:* user@flink.apache.org > *Subject:* Re: Add header to a file produced using the > writeAsFormattedText method > > > > Hi Konstantinos, > > > > Writing headers to files is currently not supported by the underlying > TextOutputFormat. > > You can implement a custom OutputFormat by extending TextOutputFormat to > add this functionality. > > > > Best, Fabian > > > > Am Fr., 1. Feb. 2019 um 16:04 Uhr schrieb Papadopoulos, Konstantinos < > konstantinos.papadopou...@iriworldwide.com>: > > Hi all, > > > > I am trying to produce a file from a dataset using the > writeAsFormattedText method (e.g., data.writeAsFormattedText(filename, > writeMode, formatter)). > > Is there any easy way to add a header to the file produced? > > > > Thanks in advance, > > Konstantinos > >
