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From "John Karp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AVRO-1523) Perl API: int/long type minimum value checks are off by one
Date Thu, 12 Jun 2014 00:25:01 GMT

     [ https://issues.apache.org/jira/browse/AVRO-1523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Karp updated AVRO-1523:
----------------------------

    Release Note: Perl: Fix lower bounds of int/long serialization range checks
          Status: Patch Available  (was: Open)

> Perl API: int/long type minimum value checks are off by one
> -----------------------------------------------------------
>
>                 Key: AVRO-1523
>                 URL: https://issues.apache.org/jira/browse/AVRO-1523
>             Project: Avro
>          Issue Type: Bug
>          Components: perl
>            Reporter: John Karp
>            Assignee: John Karp
>            Priority: Minor
>         Attachments: AVRO-1523.patch
>
>
> -2,147,483,648 is rejected as an int, and −9,223,372,036,854,775,808 is rejected as
a long when passed to the binary encoder, but they are valid signed 32-bit and 64-bit numbers
respectively.
> The problem is that the range check is made against the absolute value of the input,
but in two's complement arithmetic types the minimum and maximum values have different absolute
values.



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