You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "melin (Jira)" <ji...@apache.org> on 2023/03/28 03:17:00 UTC

[jira] [Updated] (SPARK-38200) [SQL] Spark JDBC Savemode Supports Upsert

     [ https://issues.apache.org/jira/browse/SPARK-38200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

melin updated SPARK-38200:
--------------------------
    Summary: [SQL] Spark JDBC Savemode Supports Upsert  (was: [SQL] Spark JDBC Savemode Supports replace)

> [SQL] Spark JDBC Savemode Supports Upsert
> -----------------------------------------
>
>                 Key: SPARK-38200
>                 URL: https://issues.apache.org/jira/browse/SPARK-38200
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: melin
>            Priority: Major
>
> When writing data into a relational database, data duplication needs to be considered. Both mysql and postgres support upsert syntax.
> mysql:
> {code:java}
> replace into t(id, update_time) values(1, now()); {code}
> pg:
> {code:java}
> INSERT INTO %s (id,name,data_time,remark) VALUES ( ?,?,?,? ) ON CONFLICT (id,name) DO UPDATE SET id=excluded.id,name=excluded.name,data_time=excluded.data_time,remark=excluded.remark   {code}



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org