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Posted to issues@flink.apache.org by "clownxc (via GitHub)" <gi...@apache.org> on 2023/04/05 05:24:38 UTC

[GitHub] [flink] clownxc opened a new pull request, #22353: [FLINK-31320][table]Modify DATE_FORMAT system (built-in) function to accepts DATEs

clownxc opened a new pull request, #22353:
URL: https://github.com/apache/flink/pull/22353

   ## What is the purpose of the change
   
   The current DATE_FORMAT function only supports TIMESTAMPs. Ideally, it should be able to format DATE's as well as TIMESTAMPs.
    Like Spark  DATE_FORMAT
   ```
   Converts a date/timestamp/string to a value of string in the format specified by the date  format given by the second argument.
   ```
   
   ## Brief change log
   - Modify DATE_FORMAT system (built-in) function to accepts DATEs
   
   ```sql
   SELECT DATE_FORMAT(CURRENT_DATE, 'yyyy/MM/dd HH:mm:ss')
   ```
   ## Verifying this change
   This change added tests in TemporalTypesTest#testDateFormat
   
   ## Does this pull request potentially affect one of the following parts:
   Dependencies (does it add or upgrade a dependency): (no)
   The public API, i.e., is any changed class annotated with @Public(Evolving): (yes )
   The serializers: (no)
   The runtime per-record code paths (performance sensitive): (no)
   Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: ( no)
   The S3 file system connector: ( no)
   ## Documentation
   Does this pull request introduce a new feature? (yes)
   If yes, how is the feature documented? (docs)
   
   
   


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[GitHub] [flink] clownxc commented on pull request #22353: [FLINK-31320][table]Modify DATE_FORMAT system (built-in) function to accepts DATEs

Posted by "clownxc (via GitHub)" <gi...@apache.org>.
clownxc commented on PR #22353:
URL: https://github.com/apache/flink/pull/22353#issuecomment-1536956546

   Could you please take a look when you have time? thanks a lot ! @liuyongvs  @snuyanzin 


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[GitHub] [flink] flinkbot commented on pull request #22353: [FLINK-31320][table]Modify DATE_FORMAT system (built-in) function to accepts DATEs

Posted by "flinkbot (via GitHub)" <gi...@apache.org>.
flinkbot commented on PR #22353:
URL: https://github.com/apache/flink/pull/22353#issuecomment-1496937031

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   ## CI report:
   
   * 0161f9e216b37f8c47322b9dfad54522c569ea73 UNKNOWN
   
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[GitHub] [flink] clownxc commented on pull request #22353: [FLINK-31320][table]Modify DATE_FORMAT system (built-in) function to accepts DATEs

Posted by "clownxc (via GitHub)" <gi...@apache.org>.
clownxc commented on PR #22353:
URL: https://github.com/apache/flink/pull/22353#issuecomment-1501898847

   Could you please take a look when you have time? thanks a lot ! @luoyuxia 


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