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https://issues.apache.org/jira/browse/FLINK-17488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger reassigned FLINK-17488:
--------------------------------------

    Assignee: Khokhlov Pavel

> JdbcSink has to support setting autoCommit mode of DB
> -----------------------------------------------------
>
>                 Key: FLINK-17488
>                 URL: https://issues.apache.org/jira/browse/FLINK-17488
>             Project: Flink
>          Issue Type: Improvement
>          Components: Connectors / JDBC
>    Affects Versions: 1.10.0
>            Reporter: Khokhlov Pavel
>            Assignee: Khokhlov Pavel
>            Priority: Not a Priority
>              Labels: auto-deprioritized-major, auto-deprioritized-minor, 
> pull-request-available
>
> Just played with new
> {noformat}
> org.apache.flink.api.java.io.jdbc.JdbcSink{noformat}
> ({{1.11-SNAPSHOT)}}
> [(https://ci.apache.org/projects/flink/flink-docs-master/dev/connectors/jdbc.html|https://ci.apache.org/projects/flink/flink-docs-master/dev/connectors/jdbc.html])
> And batch mode with mysql driver (8.0.19).
> Noticed that *JdbcSink* supports only *autoCommit true* and developer cannot 
> change that behaviour. But it's very important from Transactional and 
> Performance point of view to support autoCommit {color:#00875a}*false* 
> {color:#172b4d}and call commit explicitly. {color}{color}
>  When a connection is created, it is in auto-commit mode. This means that 
> each individual SQL statement is treated as a transaction and is 
> automatically committed right after it is executed.
> For example Confluent connector disable it by default.
> [https://github.com/confluentinc/kafka-connect-jdbc/blob/da9619af1d7442dd91793dbc4dc65b8e7414e7b5/src/main/java/io/confluent/connect/jdbc/sink/JdbcDbWriter.java#L50]
>  
> As I see you added it only for JDBCInputFormat in: FLINK-12198
>  



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