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https://issues.apache.org/jira/browse/BEAM-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anton Kedin closed BEAM-3191.
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Resolution: Won't Fix
Fix Version/s: Not applicable
Doesn't seem like stateful join is a good path forward
> [SQL] Implement Stateful Join
> -----------------------------
>
> Key: BEAM-3191
> URL: https://issues.apache.org/jira/browse/BEAM-3191
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Anton Kedin
> Priority: Major
> Fix For: Not applicable
>
>
> For binary key-joins, we probably could implement stateful join.
> Things to consider:
> - identify primary keys for the inputs if possible;
> - otherwise buffer both collections, correctly discard collections prefixes
> on timer;
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