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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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