[jira] [Created] (FLINK-27417) Flink JDBC SQL Connector：SELECT * FROM table WHERE co > 100; mysql will execute SELECT * FROM table to scan the whole table

Tue, 26 Apr 2022 06:42:16 -0700 

haojiawei created FLINK-27417:
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             Summary: 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


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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