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Posted to notifications@iotdb.apache.org by "Yuan Tian (Jira)" <ji...@apache.org> on 2023/01/06 01:29:00 UTC

[jira] [Created] (IOTDB-5372) Support dataType cast in select into

Yuan Tian created IOTDB-5372:
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             Summary: Support dataType cast in select into
                 Key: IOTDB-5372
                 URL: https://issues.apache.org/jira/browse/IOTDB-5372
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Query
            Reporter: Yuan Tian
            Assignee: Minghui Liu


Currently, we doesn't support refactor type in select into which means if the dataType of source series is different from target series, it won't succeed.

However, there is a strange thing that when we firstly init, we use source series's dataType and then when we reset, we use target series's dataType which may cause that first batch data will be successfully inserted even if dataTypes are different.

Actually, we should support some cast directly, you can refer to this doc https://apache-iotdb.feishu.cn/docx/doxcn1CxLERWOuq9F0BZ0G9QA8g



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