bowenli86 commented on issue #9457: [FLINK-13741][table] "SHOW FUNCTIONS" should include Flink built-in functions' names URL: https://github.com/apache/flink/pull/9457#issuecomment-521880817 > Thanks for your effort! > Should we return flink built-in functions in `getUserDefinedFunctions ` method? > IMO, User-defined function meanings external function registered in funcationCatalog. > Of course, it makes sense regard the function catalog as en empty container after first initialization and regards no matter what functions as a UDF. If so, we'd better add a notice in the method comments. > Just minor advice. Hi @zjuwangg , you have we can discuss it in the JIRA ticket.
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