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Posted to dev@flink.apache.org by "Timo Walther (Jira)" <ji...@apache.org> on 2019/12/09 09:30:00 UTC

[jira] [Created] (FLINK-15149) Merge InputTypeStrategy and InputTypeValidator

Timo Walther created FLINK-15149:
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             Summary: Merge InputTypeStrategy and InputTypeValidator
                 Key: FLINK-15149
                 URL: https://issues.apache.org/jira/browse/FLINK-15149
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / API
            Reporter: Timo Walther
            Assignee: Timo Walther


Due to the design of Calcite, even operand checkers that were originally used for "checking" can infer and modify call arguments nowadays. This conflicts with our original design of separating validation and input type inference. Therefore, we propose to merge those two concepts in Flink into one `InputTypeStrategy` that is responsible for both inferring/enriching and validation.



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