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https://issues.apache.org/jira/browse/BEAM-5884?focusedWorklogId=159748&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-159748
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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 19:55
Start Date: 28/Oct/18 19:55
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-433736007
Use case: if a field is missing from an input data set, i.e. unknown, that
is a different situation that a known empty array. Every data type needs to
have the ability to be nullable.
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Issue Time Tracking
-------------------
Worklog Id: (was: 159748)
Time Spent: 1h 10m (was: 1h)
> 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 10m
> Remaining Estimate: 0h
>
> We could allow arbitrary combination of nested types have null value.
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