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Posted to issues@flink.apache.org by "Shengkai Fang (Jira)" <ji...@apache.org> on 2022/04/29 06:00:00 UTC
[jira] [Closed] (FLINK-27417) Flink JDBC SQL Connector：SELECT * FROM table WHERE co > 100; mysql will execute SELECT * FROM table to scan the whole table
[ https://issues.apache.org/jira/browse/FLINK-27417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shengkai Fang closed FLINK-27417.
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Resolution: Duplicate
> 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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