[jira] [Commented] (FLINK-9999) Add ISNUMERIC supported in Table API/SQL

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566418#comment-16566418 ] 

ASF GitHub Bot commented on FLINK-9999:
---------------------------------------

yanghua opened a new pull request #6473: [FLINK-9999] Add ISNUMERIC supported in Table API/SQL
URL: https://github.com/apache/flink/pull/6473
 
 
   ## What is the purpose of the change
   
   *This pull request add ISNUMERIC supported in Table API/SQL*
   
   ## Brief change log
   
     - *Add ISNUMERIC supported in Table API/SQL*
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *ScalarFunctionsTest#testIsNumeric*.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**)
     - The serializers: (yes / **no** / don't know)
     - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
     - The S3 file system connector: (yes / **no** / don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (**yes** / no)
     - If yes, how is the feature documented? (not applicable / **docs** / JavaDocs / not documented)
   

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> Add ISNUMERIC supported in Table API/SQL
> ----------------------------------------
>
>                 Key: FLINK-9999
>                 URL: https://issues.apache.org/jira/browse/FLINK-9999
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: vinoyang
>            Assignee: vinoyang
>            Priority: Major
>              Labels: pull-request-available
>
> ISNUMERIC function used to verify a expression is a valid numberic type.
> documentation : https://docs.microsoft.com/en-us/sql/t-sql/functions/isnumeric-transact-sql?view=sql-server-2017



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