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https://issues.apache.org/jira/browse/BEAM-6772?focusedWorklogId=218145&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-218145
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ASF GitHub Bot logged work on BEAM-6772:
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Author: ASF GitHub Bot
Created on: 25/Mar/19 16:48
Start Date: 25/Mar/19 16:48
Worklog Time Spent: 10m
Work Description: kanterov commented on issue #8006: [BEAM-6772] Change
Select semantics to match what a user expects
URL: https://github.com/apache/beam/pull/8006#issuecomment-476284199
@reuvenlax I was surprised to see that Spark didn't resolve `select("a.c.d")`
Agree that we should keep iterations quick, and given API is heavily
experimental we could move forward with increments. I think we did a good
analysis, and now the problem better. However, we still don't have a good
formalization of desired semantics.
I'm going to revisit the code again, didn't have time to check this today.
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Issue Time Tracking
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Worklog Id: (was: 218145)
Time Spent: 9h (was: 8h 50m)
> Select transform has non-intuitive semantics
> --------------------------------------------
>
> Key: BEAM-6772
> URL: https://issues.apache.org/jira/browse/BEAM-6772
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Reuven Lax
> Assignee: Reuven Lax
> Priority: Major
> Time Spent: 9h
> Remaining Estimate: 0h
>
> Consider the following schema:
> User:
> name: STRING
> location: Location
>
> Location:
> latitude: DOUBLE
> longitude: DOUBLE
>
> If you apply Select.fieldNames("location"), most users expect to get back a
> row matching the Location schema. Instead you get back an outer schema with a
> single location field in it. Select should instead unnest the output up to
> the point where multiple fields are selected.
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