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https://issues.apache.org/jira/browse/FLINK-37477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Wysakowicz updated FLINK-37477:
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Summary: Emit full deletes from StreamJoin if it gets deletes on key on
input (was: Drop ChangelogNormalize for a StreamJoin)
> Emit full deletes from StreamJoin if it gets deletes on key on input
> --------------------------------------------------------------------
>
> Key: FLINK-37477
> URL: https://issues.apache.org/jira/browse/FLINK-37477
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Major
> Fix For: 2.1.0
>
>
> StreamExecJoin can consume deletes on key if the join conditions is on
> primary keys. The state lookups happen using the key. However for deletes it
> uses the currently incoming record, which in case of DELETE may be a DELETE
> on key. Given that we have the information about previous value, we can emit
> the full delete instead. This will make JOIN operator work similarly like
> ChangelogNormalize.
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