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https://issues.apache.org/jira/browse/BEAM-7758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16889383#comment-16889383
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Rui Wang commented on BEAM-7758:
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I think this JIRA could start from thinking about two change:
1. How to change
[BeamSqlTable|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/BeamSqlTable.java].
Note that every table in SQL implements this interface.
2. How to propagate PCollectionView through SQL query plan, especially starting
from
[BeamIOSourceRel|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamIOSourceRel.java]
> Table returns PCollectionView in BeamSQL
> ----------------------------------------
>
> Key: BEAM-7758
> URL: https://issues.apache.org/jira/browse/BEAM-7758
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Rui Wang
> Priority: Major
>
> We might be able to define a table with properties that says this table
> return a PCollectionView. By doing so we will have a trigger based
> PCollectionView available in SQL rel nodes.
> Relevant thread:
> https://lists.apache.org/thread.html/602121ee49886590ce4975f66aa0d270b4a5d64575337fca8bef1232@%3Cdev.beam.apache.org%3E
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