See the section on Operators here https://docs.google.com/document/d/1b5d-hTdJQsPH3YD0zTB4ZqodinZVHFomKvt41FfUPMc/edit?usp=sharing
On Thu, Aug 2, 2018 at 3:42 PM Harshvardhan Agrawal < harshvardhan.ag...@gmail.com> wrote: > Hello, > > I have recently started reading Stream Processing with Apache Flink by > Fabian and Vasiliki. In Chapter 3 of the book there is a statement that > says: None of the functions expose an API to set time stamps of emitted > records, manipulate the event-time clock of a task, or emit watermarks. > Instead, time-based DataStream operator tasks internally set the time > stamps of emitted records to ensure that they are properly aligned with the > emitted watermarks. For instance, a time-window operator task attached the > end time of a window as time stamp to all records emitted by the window > computation before it emits the watermark with the time stamp that > triggered the computation of the window. > > Does this mean that time stamps in the records are overwritten by these > time-based operators when using Event Time? > -- > Regards, > Harshvardhan >
