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Posted by J 12323123 on Aug 31, 2019; 7:09am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/DISCUSSION-implement-MERGE-INTO-statement-tp83941p83942.html

On Sat, 31 Aug 2019, 18:14 David Cai, <[hidden email]> wrote:

> hi all,
>     CarbonData has supported the insert/update/delete operations.
>     Now we can start to discuss the MERGE INTO statement.
>     It should combine insert, update and delete operations into a single
> statement, and it will be executed atomically.
>
> SQL maybe like :
>      MERGE INTO target_table
>      USING source_table
>      ON merge_condition
>      WHEN MATCHED [ AND condition] THEN
>          UPDATE | DELETE ...
>      WHEN NOT MATCHED [ AND condition]  THEN
>          INSERT ...
>
>     Any question and suggestion are welcome.
>
> Regards
> David QiangCai
>