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From "Tobias Gies (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-6308) Connect: Struct equals/hashCode method should use Arrays#deep* methods
Date Mon, 04 Dec 2017 17:26:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tobias Gies updated KAFKA-6308:
-------------------------------
    Summary: Connect: Struct equals/hashCode method should use Arrays#deep* methods  (was:
Connect: Struct#equals should use Arrays#deepEquals)

> Connect: Struct equals/hashCode method should use Arrays#deep* methods
> ----------------------------------------------------------------------
>
>                 Key: KAFKA-6308
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6308
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 1.0.0
>            Reporter: Tobias Gies
>              Labels: easyfix, newbie
>
> At the moment, {{org.apache.kafka.connect.data.Struct#equals}} checks two things, after
ensuring the incoming {{Object o}} is indeed of the correct type:
> * Whether the schemas of {{this}} and {{o}} are equal, via {{Objects#equals}}
> * Whether the values of {{this}} and {{o}} are qual, via {{Arrays#equals}}.
> The latter check is problematic. {{Arrays#equals}} is meant for one-dimensional arrays
of any kind, and thus simply checks the {{equals}} methods of all corresponding elements of
its parameters {{a1}} and {{a2}}. However, elements of the {{Struct#values}} array may themselves
be arrays in a specific case, namely if a field has a {{BYTES}} Schema Type and the user's
input for this field is of type {{byte[]}}.
> Given that, I would suggest to use {{Arrays#deepEquals}} to compare the {{values}} arrays
of two {{Struct}} instances. It would solve one of the two issues with {{byte[]}} values mentioned
the comment in lines 54-56 of Struct.java.



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