[jira] [Created] (FLINK-15291) Rename WatermarkSepc#getWatermarkExpressionString to getWatermarkExpr

[Shang Yuanchun (Jira)]

Jark Wu created FLINK-15291:
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             Summary: Rename WatermarkSepc#getWatermarkExpressionString to getWatermarkExpr
                 Key: FLINK-15291
                 URL: https://issues.apache.org/jira/browse/FLINK-15291
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / API
            Reporter: Jark Wu
             Fix For: 1.10.0


Currently, the expression getter methods in {{org.apache.flink.table.api.WatermarkSpec}} and {{org.apache.flink.table.api.TableColumn}} are not aligned, one is {{getWatermarkExpressionString}}, the other is {{getExpr}}.

I would suggest to rename
{{WatermarkSepc#getWatermarkExpressionString}} to {{WatermarkSepc#getWatermarkExpr}}.





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