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Wong Mulan updated FLINK-20970: ------------------------------- Description: If value which type is not DECIMAL(38, 18) is GROUP BY key, the result will be -1. So, only DECIMAL(38, 18) can be GROUP BY key? Whatever the value is, it will be return -1. !image-2021-01-14-17-06-28-648.png|thumbnail! was: If value which type is not DECIMAL(38, 18) is GROUP BY key, the result will be -1. So, only DECIMAL(38, 18) can be GROUP BY key? !image-2021-01-14-17-06-28-648.png|thumbnail! > DECIMAL(10, 0) can not be GROUP BY key. > --------------------------------------- > > Key: FLINK-20970 > URL: https://issues.apache.org/jira/browse/FLINK-20970 > Project: Flink > Issue Type: Bug > Components: Table SQL / Runtime > Affects Versions: 1.10.1 > Reporter: Wong Mulan > Priority: Major > Attachments: image-2021-01-14-17-06-28-648.png > > > If value which type is not DECIMAL(38, 18) is GROUP BY key, the result will > be -1. > So, only DECIMAL(38, 18) can be GROUP BY key? > Whatever the value is, it will be return -1. > !image-2021-01-14-17-06-28-648.png|thumbnail! -- This message was sent by Atlassian Jira (v8.3.4#803005)