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From "Hequn Cheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-7410) Use toString method to display operator names for UserDefinedFunction
Date Tue, 29 Aug 2017 12:54:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-7410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hequn Cheng updated FLINK-7410:
-------------------------------
    Summary: Use toString method to display operator names for UserDefinedFunction  (was:
Add getName method to UserDefinedFunction)

> Use toString method to display operator names for UserDefinedFunction
> ---------------------------------------------------------------------
>
>                 Key: FLINK-7410
>                 URL: https://issues.apache.org/jira/browse/FLINK-7410
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>    Affects Versions: 1.4.0
>            Reporter: Hequn Cheng
>            Assignee: Hequn Cheng
>
> *Motivation*
> Operator names setted in table-api are used by visualization and logging, it is import
to make these names simple and readable. Currently, UserDefinedFunction’s name contains
class CanonicalName and md5 value making the name too long and unfriendly to users. 
> As shown in the following example, 
> {quote}
> select: (a, b, c, org$apache$flink$table$expressions$utils$RichFunc1$281f7e61ec5d8da894f5783e2e17a4f5(a)
AS _c3, org$apache$flink$table$expressions$utils$RichFunc2$fb99077e565685ebc5f48b27edc14d98(c)
AS _c4)
> {quote}
> *Changes:*
> 			
> Provide getName method for UserDefinedFunction. The method will return class name by
default. Users can also override the method to return whatever he wants.
> What do you think [~fhueske] ?



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