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https://issues.apache.org/jira/browse/THRIFT-674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury resolved THRIFT-674.
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       Resolution: Fixed
    Fix Version/s: 0.3

Great, I just committed this. Thanks for bringing it to my attention, Chad!

> Generated read() should just switch directly on field.id
> --------------------------------------------------------
>
>                 Key: THRIFT-674
>                 URL: https://issues.apache.org/jira/browse/THRIFT-674
>             Project: Thrift
>          Issue Type: Improvement
>          Components: Compiler (Java)
>    Affects Versions: 0.2
>            Reporter: Chad Walters
>            Assignee: Bryan Duxbury
>             Fix For: 0.3
>
>         Attachments: thrift-674.patch
>
>
> THRIFT-623 introduced a performance regression in the Java bindings.
> Instead of mapping field.id to an enum, testing if the enum is null, and then 
> switching on the enum, the switch should just work directly on field.id, with 
> a default case to handle unknown values.
> In some benchmarks I ran, this fix saved 13% on deserialization time.

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