[jira] [Created] (FLINK-16147) Add watermarkExprOutputType in WatermarkSpec#toString method

[Shang Yuanchun (Jira)]

hailong wang created FLINK-16147:
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             Summary: Add watermarkExprOutputType in WatermarkSpec#toString method
                 Key: FLINK-16147
                 URL: https://issues.apache.org/jira/browse/FLINK-16147
             Project: Flink
          Issue Type: Improvement
          Components: Connectors / Common
    Affects Versions: 1.10.0
            Reporter: hailong wang
             Fix For: 1.11.0


WatermarkSpec#toString only include rowtimeAttribute and watermarkExpressionString.

Maybe we should inlcude watermarkExprOutputType too, just like:
{code:java}
@Override
public String toString() {
   return "rowtime: '" + rowtimeAttribute + '\'' +
      ", watermark: '" + watermarkExpressionString + '\'' +
      ", outputType: '" + watermarkExprOutputType + '\'';
}
{code}



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