ASF GitHub Bot logged work on BEAM-4061:

                Author: ASF GitHub Bot
            Created on: 12/Apr/18 21:56
            Start Date: 12/Apr/18 21:56
    Worklog Time Spent: 10m 
      Work Description: mairbek commented on issue #4264: [BEAM-4061] 
Introduced SpannerWriteResult
URL: https://github.com/apache/beam/pull/4264#issuecomment-380956438
   Done, @iemejia please take look when you have a chance

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Issue Time Tracking

            Worklog Id:     (was: 90600)
            Time Spent: 10m
    Remaining Estimate: 0h

> Chaining SpannerIO#write() transforms
> -------------------------------------
>                 Key: BEAM-4061
>                 URL: https://issues.apache.org/jira/browse/BEAM-4061
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp
>            Reporter: Mairbek Khadikov
>            Assignee: Mairbek Khadikov
>            Priority: Major
>             Fix For: 2.5.0
>          Time Spent: 10m
>  Remaining Estimate: 0h
> It should be possible to chain several Cloud Spanner writes. In practice, we 
> can leverage Wait.on transform by returning a result object from 
> SpannerIO#write.
> One particular example, when this feature is useful is full database import. 
> When data in parent tables should be injected before interleaved tables. See 
> more about table hierarchies in Spanner here 
> https://cloud.google.com/spanner/docs/schema-and-data-model#creating_a_hierarchy_of_interleaved_tables

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