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  1. Flink
  2. FLINK-21617 FLIP-162: Consistent Flink SQL time function behavior
  3. FLINK-21698

Disable problematic cast conversion between NUMERIC type and TIMESTAMP type

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      The CAST operation between NUMERIC type and TIMESTAMP type is problematic and is disabled now, e.g. CAST(numeric AS TIMESTAMP(3)) is disabled and should use TO_TIMESTAMP(FROM_UNIXTIME(numeric)) instead.
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      The CAST operation between NUMERIC type and TIMESTAMP type is problematic and is disabled now, e.g. CAST(numeric AS TIMESTAMP(3)) is disabled and should use TO_TIMESTAMP(FROM_UNIXTIME(numeric)) instead.

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      The cast conversion  between NUMERIC type and TIMESTAMP type is problematic , we should disable it, NUMERIC type and TIMESTAMP_LTZ type cast conversion is valid.

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            leonard Leonard Xu
            leonard Leonard Xu
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