Thanks Shammon for the informations, the comment makes the lifecycle clearer. 
+1 


Best,
Leonard


> On Sep 18, 2023, at 7:54 PM, Shammon FY <zjur...@gmail.com> wrote:
> 
> Hi devs,
> 
> After discussing with @Qingsheng, I fixed a minor issue of the lineage 
> lifecycle in `StreamExecutionEnvironment`. I have added the comment to 
> explain that the lineage information in `StreamExecutionEnvironment` will be 
> consistent with that of transformations. When users clear the existing 
> transformations, the added lineage information will also be deleted.
> 
> Please help to review it again, and If there are no more concerns about 
> FLIP-314[1], I would like to start voting later, thanks. cc @ <>Leonard
> 
> Best,
> Shammon FY
> 
> On Mon, Jul 17, 2023 at 3:43 PM Shammon FY <zjur...@gmail.com 
> <mailto:zjur...@gmail.com>> wrote:
> Hi devs,
> 
> Thanks for all the valuable feedback. If there are no more concerns about 
> FLIP-314[1], I would like to start voting later, thanks.
> 
> 
> [1] 
> https://cwiki.apache.org/confluence/display/FLINK/FLIP-314%3A+Support+Customized+Job+Lineage+Listener
>  
> <https://cwiki.apache.org/confluence/display/FLINK/FLIP-314%3A+Support+Customized+Job+Lineage+Listener>
> 
> Best,
> Shammon FY
> 
> 
> On Wed, Jul 12, 2023 at 11:18 AM Shammon FY <zjur...@gmail.com 
> <mailto:zjur...@gmail.com>> wrote:
> Thanks for the valuable feedback, Leonard.
> 
> I have discussed with Leonard off-line. We have reached some conclusions 
> about these issues and I have updated the FLIP as follows:
> 
> 1. Simplify the `LineageEdge` interface by creating an edge from one source 
> vertex to sink vertex.
> 2. Remove the `TableColumnSourceLineageVertex` interface and update 
> `TableColumnLineageEdge` to create an edge from columns in one source to each 
> sink column.
> 3. Rename `SupportsLineageVertex` to `LineageVertexProvider`
> 4. Add method `addLineageEdges(LineageEdge ... edges)` in 
> `StreamExecutionEnviroment` for datastream job and remove previous methods in 
> `DataStreamSource` and `DataStreamSink`.
> 
> Looking forward to your feedback, thanks.
> 
> Best,
> Shammon FY

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