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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2020/02/28 05:11:00 UTC
[jira] [Updated] (FLINK-16323) Support to join a static table in
streaming mode
[ https://issues.apache.org/jira/browse/FLINK-16323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jark Wu updated FLINK-16323:
----------------------------
Fix Version/s: 1.11.0
> Support to join a static table in streaming mode
> ------------------------------------------------
>
> Key: FLINK-16323
> URL: https://issues.apache.org/jira/browse/FLINK-16323
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API, Table SQL / Planner
> Reporter: Jark Wu
> Priority: Major
> Fix For: 1.11.0
>
>
> Currently, we already support to join a stream and a bounded stream using reguar join. However, this will be tranlsated into stream-stream join which is not efficient, because it will output early results and maybe retracted afterwards.
> A better and native support will be using a special temporal join operator which will block the streaming side until all the static table data is loaded.
> This can help users to join a huge table, e.g. MySQL table with billion records but changes little.
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