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https://issues.apache.org/jira/browse/FLINK-27417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17529784#comment-17529784
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Shengkai Fang commented on FLINK-27417:
---------------------------------------

[~haojiawei] I think it's not a bug just optimaztion. Do you mind to implement 
the feature? You can the look up other connectors that implements the 
SupportsFilterPushDown interface for details. 

> Flink JDBC SQL Connector:SELECT * FROM table WHERE  co > 100; mysql will 
> execute SELECT * FROM table to scan the whole table
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-27417
>                 URL: https://issues.apache.org/jira/browse/FLINK-27417
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / JDBC
>    Affects Versions: 1.14.0
>            Reporter: haojiawei
>            Priority: Major
>
> Use flink cli to create a mysql mapping table, and execute the query SELECT * 
> FROM table WHERE co > 100;Mysql will execute SELECT * FROM table to scan the 
> whole table.
>  
> show mysql execute sql:  select * from information_schema.`PROCESSLIST` where 
> info is not null;
>  
>  



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