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Posted to issues@flink.apache.org by "Jingsong Lee (Jira)" <ji...@apache.org> on 2022/07/20 03:13:00 UTC

[jira] [Closed] (FLINK-27307) Flink table store support append-only ingestion without primary keys.

     [ https://issues.apache.org/jira/browse/FLINK-27307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jingsong Lee closed FLINK-27307.
--------------------------------
    Resolution: Fixed

> Flink table store support append-only ingestion without primary keys.
> ---------------------------------------------------------------------
>
>                 Key: FLINK-27307
>                 URL: https://issues.apache.org/jira/browse/FLINK-27307
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table Store
>            Reporter: Zheng Hu
>            Assignee: Zheng Hu
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: table-store-0.2.0
>
>
> Currently,  flink table store only support row data ingestion with defined primary keys.  Those tables are quite suitable for maintaining CDC events or flink upsert stream. 
> But in fact, there are many real scenarios which don't have the required primary keys. Such as user clicks logs,  we only need to maintain those data like a Hive/iceberg table.  I mean we don't need to define the primary keys, and we don't need to maintain all those rows into a sorted LSM. We only need to partition those rows into the correct partitions and maintain the basic statistics to speed the query. 



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