[jira] [Created] (FLINK-35721) I found out that in the Flink SQL documentation it says that Double type cannot be converted to Boolean type, but in reality, it can.

Fri, 28 Jun 2024 01:59:33 -0700 

jinzhuguang created FLINK-35721:
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             Summary: I found out that in the Flink SQL documentation it says 
that Double type cannot be converted to Boolean type, but in reality, it can.
                 Key: FLINK-35721
                 URL: https://issues.apache.org/jira/browse/FLINK-35721
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
    Affects Versions: 1.19.1
            Reporter: jinzhuguang
         Attachments: image-2024-06-28-16-57-54-354.png

I found out that in the Flink SQL documentation it says that Double type cannot 
be converted to Boolean type, but in reality, it can.

Ralated code : 
org.apache.flink.table.planner.functions.casting.NumericToBooleanCastRule#generateExpression

Ralated document url : 
[https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/types/]

!image-2024-06-28-16-57-54-354.png|width=378,height=342!



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