Hi My Friends:

    How to deal with the abnormal extraction time of the calculated column ?
    My DDL :
    CREATE TABLE mytable (
      xx string,
      t as get_event_time_from_xx(xx),
      WATERMARK FOR t AS t - INTERVAL '1' SECOND
   ) WITH (xxx)
   If an exception occurs inside my function and I don’t want to generate a 
default time or an error time, how should I deal with it?
   Looking forward to your answer, thank you very much.


Best,
forideal

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