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Posted to issues@flink.apache.org by "Yiwen Tu (Jira)" <ji...@apache.org> on 2020/04/16 05:13:00 UTC

[jira] [Created] (FLINK-17174) Conversion to relational algebra failed to preserve datatypes when using Table API but succeed when using SQL query

Yiwen Tu created FLINK-17174:
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             Summary: Conversion to relational algebra failed to preserve datatypes when using Table API but succeed when using SQL query
                 Key: FLINK-17174
                 URL: https://issues.apache.org/jira/browse/FLINK-17174
             Project: Flink
          Issue Type: Bug
            Reporter: Yiwen Tu
         Attachments: image-2020-04-16-12-54-19-574.png, image-2020-04-16-13-08-33-752.png, image-2020-04-16-13-08-59-149.png, image-2020-04-16-13-12-32-212.png

I read data from kafka source name and the source table has the fields of 'ts' which has the row time attributes, after that I  add an column whose type is int and default value is 0. After that, the kafka source will be join with a table. And the code is below:

!image-2020-04-16-13-08-33-752.png!

 The Error is :

!image-2020-04-16-13-08-59-149.png!

But when I use SqlQuery, it works:

!image-2020-04-16-13-12-32-212.png!



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