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List:       avro-dev
Subject:    [jira] [Updated] (AVRO-897) Map lookup behavior is ill-defined in Java
From:       "Garrett Wu (Updated) (JIRA)" <jira () apache ! org>
Date:       2011-09-27 1:40:12
Message-ID: 51235557.1133.1317087612408.JavaMail.tomcat () hel ! zones ! apache ! org
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     [ https://issues.apache.org/jira/browse/AVRO-897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Garrett Wu updated AVRO-897:
----------------------------

    Attachment: avro-charsequence-map-test.tar.gz

Attached a small test case to better explain what I mean.
                
> Map lookup behavior is ill-defined in Java
> ------------------------------------------
> 
> Key: AVRO-897
> URL: https://issues.apache.org/jira/browse/AVRO-897
> Project: Avro
> Issue Type: Bug
> Affects Versions: 1.5.1
> Reporter: Garrett Wu
> Attachments: avro-charsequence-map-test.tar.gz
> 
> 
> In Java, an Avro {{"map"}} is a Java {{Map}}.  The map keys are type {{"string"}}, \
> which maps to a Java {{CharSequence}}. Clients must know to use {{Utf8}} objects \
> when calling {{get()}} or {{containsKey()}}.  Instead, {{GenericDatumReader}} \
> should instantiate a {{Map}} instance with a {{Comparator}} suitable for comparing \
> any type of {{CharSequence}}.

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