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https://issues.apache.org/jira/browse/BEAM-5884?focusedWorklogId=159749&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-159749
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ASF GitHub Bot logged work on BEAM-5884:
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Author: ASF GitHub Bot
Created on: 28/Oct/18 19:56
Start Date: 28/Oct/18 19:56
Worklog Time Spent: 10m
Work Description: kennknowles commented on issue #6861: [BEAM-5884]
support null values in Array and Map.
URL: https://github.com/apache/beam/pull/6861#issuecomment-433736137
TBH nullability doesn't compose, hence `Optional` or equivalent in every
language with good support for complex types or generic types (incl. built-in
arrays and maps). I don't know if SQL has caught up in that regard.
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Issue Time Tracking
-------------------
Worklog Id: (was: 159749)
Time Spent: 1h 20m (was: 1h 10m)
> Allow nested types have null value.
> -----------------------------------
>
> Key: BEAM-5884
> URL: https://issues.apache.org/jira/browse/BEAM-5884
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> We could allow arbitrary combination of nested types have null value.
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