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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/08/15 16:15:17 UTC

[GitHub] [arrow-datafusion] waitingkuo opened a new issue, #3149: cast to timestamp with time zone drops timezone

waitingkuo opened a new issue, #3149:
URL: https://github.com/apache/arrow-datafusion/issues/3149

   **Describe the bug**
   A clear and concise description of what the bug is.
   
   **To Reproduce**
   Steps to reproduce the behavior:
   
   `now()` originally output `Timestamp(Nanosecond, Some("UTC"))`
   ```bash
   ❯ select arrow_typeof(now());
   +------------------------------------+
   | arrowtypeof(now())                 |
   +------------------------------------+
   | Timestamp(Nanosecond, Some("UTC")) |
   +------------------------------------+
   1 row in set. Query took 0.002 seconds.
   ```
   
   it becomes `Timestamp(NanoSecond, None)` after casting to `timestamp with time zone`
   ```bash
   ❯ select arrow_typeof(now()::timestamp with time zone);
   +---------------------------------------------------------+
   | arrowtypeof(CAST(now() AS Timestamp(Nanosecond, None))) |
   +---------------------------------------------------------+
   | Timestamp(Nanosecond, None)                             |
   +---------------------------------------------------------+
   1 row in set. Query took 0.002 seconds.
   ```
   
   **Expected behavior**
   A clear and concise description of what you expected to happen.
   
   should keep the timezone
   
   **Additional context**
   Add any other context about the problem here.
   


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[GitHub] [arrow-datafusion] Jefffrey commented on issue #3149: cast to timestamp with time zone drops timezone

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey commented on issue #3149:
URL: https://github.com/apache/arrow-datafusion/issues/3149#issuecomment-1454377173

   Seems resolved as of latest main:
   
   ```bash
   jeffrey:~/Code/arrow-datafusion/datafusion-cli$ git rev-parse HEAD
   e9852074bacd8c891d84eba38b3417aa16a2d18c
   jeffrey:~/Code/arrow-datafusion/datafusion-cli$ cargo run
       Finished dev [unoptimized + debuginfo] target(s) in 0.12s
        Running `/media/jeffrey/1tb_860evo_ssd/.cargo_target_cache/debug/datafusion-cli`
   DataFusion CLI v19.0.0
   ❯ select arrow_typeof(now());
   +---------------------------------------+
   | arrowtypeof(now())                    |
   +---------------------------------------+
   | Timestamp(Nanosecond, Some("+00:00")) |
   +---------------------------------------+
   1 row in set. Query took 0.003 seconds.
   ❯ select arrow_typeof(now()::timestamp with time zone);
   +---------------------------------------+
   | arrowtypeof(now())                    |
   +---------------------------------------+
   | Timestamp(Nanosecond, Some("+00:00")) |
   +---------------------------------------+
   1 row in set. Query took 0.002 seconds.
   ❯
   ```
   
   I think might have been resolved by https://github.com/apache/arrow-datafusion/pull/3698
   
   cc @waitingkuo  @alamb 


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[GitHub] [arrow-datafusion] alamb closed issue #3149: cast to timestamp with time zone drops timezone

Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb closed issue #3149: cast to timestamp with time zone drops timezone
URL: https://github.com/apache/arrow-datafusion/issues/3149


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[GitHub] [arrow-datafusion] alamb commented on issue #3149: cast to timestamp with time zone drops timezone

Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb commented on issue #3149:
URL: https://github.com/apache/arrow-datafusion/issues/3149#issuecomment-1454720163

   I agree -- thanks for checking @Jefffrey 


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