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Posted to dev@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2016/03/04 13:17:40 UTC

[jira] [Created] (FLINK-3579) Improve String concatenation

Timo Walther created FLINK-3579:
-----------------------------------

             Summary: Improve String concatenation
                 Key: FLINK-3579
                 URL: https://issues.apache.org/jira/browse/FLINK-3579
             Project: Flink
          Issue Type: Bug
          Components: Table API
            Reporter: Timo Walther
            Priority: Minor


Concatenation of a String and non-String does not work properly.

e.g. {{f0 + 42}} leads to RelBuilder Exception

ExpressionParser does not like {{f0 + 42.cast(STRING)}} either.



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