[jira] [Assigned] (SPARK-40956) SQL Equivalent for Dataframe overwrite command

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-40956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-40956:
-----------------------------------

    Assignee: chengyan fu

> SQL Equivalent for Dataframe overwrite command
> ----------------------------------------------
>
>                 Key: SPARK-40956
>                 URL: https://issues.apache.org/jira/browse/SPARK-40956
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.2.2
>            Reporter: chengyan fu
>            Assignee: chengyan fu
>            Priority: Minor
>             Fix For: 3.4.0
>
>
> Proposing syntax
> {code:java}
>  INSERT INTO tbl REPLACE whereClause identifierList{code}
> to the spark SQL, as the equivalent of [dataframe.overwrite()|https://github.com/apache/spark/blob/35d00df9bba7238ad4f409999617fae4d04ddbfd/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriterV2.scala#L163] command. 
>  
> For Example
> {code:java}
>  INSERT INTO table1 REPLACE WHERE key = 3 SELECT * FROM table2{code}
> will, in an atomic operation, 1) delete rows with key = 3 and 2) insert rows from table2 
>  
>  



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