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https://issues.apache.org/jira/browse/BEAM-9041?focusedWorklogId=367178&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-367178
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ASF GitHub Bot logged work on BEAM-9041:
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                Author: ASF GitHub Bot
            Created on: 07/Jan/20 02:36
            Start Date: 07/Jan/20 02:36
    Worklog Time Spent: 10m 
      Work Description: kennknowles commented on issue #10492: [BEAM-9041, 
BEAM-9042] SchemaCoder equals should not rely on from/toRowFunction equality
URL: https://github.com/apache/beam/pull/10492#issuecomment-571406505
 
 
   Hmm. I am torn on this. I agree with @TheNeuralBit that mostly these 
conversions should just own their own `equals`. But I see how 
`SerializableFunction`, especially lambdas, will usually not implement this.
   
   In the case of the `SchemaCoder` it is often automated, isn't it? And when 
it isn't, it is fair that it is a one-time up front effort to write a slightly 
larger class that has a good `equals`. We could provide a convenient base 
class, I guess, or even now add a `default` implementation in the functional 
interface maybe?
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 367178)
    Time Spent: 1h 10m  (was: 1h)

> SchemaCoder equals should not rely on from/toRowFunction equality
> -----------------------------------------------------------------
>
>                 Key: BEAM-9041
>                 URL: https://issues.apache.org/jira/browse/BEAM-9041
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Ismaël Mejía
>            Assignee: Ismaël Mejía
>            Priority: Minor
>             Fix For: 2.18.0
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> SchemaCoder equals implementation relies on SerializableFunction equals 
> method, this is error-prone because users rarely implement the equals method 
> for a SerializableFunction. One alternative would be to rely on bytes 
> equality for this.



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