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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1745) Disable converting bytes loading from BinStorage
Date Tue, 30 Nov 2010 22:40:11 GMT

     [ https://issues.apache.org/jira/browse/PIG-1745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated PIG-1745:
----------------------------

    Attachment:     (was: PIG-1745-2.patch)

> Disable converting bytes loading from BinStorage
> ------------------------------------------------
>
>                 Key: PIG-1745
>                 URL: https://issues.apache.org/jira/browse/PIG-1745
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.8.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.9.0
>
>         Attachments: PIG-1745-1.patch, PIG-1745-2.patch
>
>
> If we load bytes from BinStorage, we don't actually know how we get these bytes originally,
and we will not have a way to cast those bytes. Ideally we shall encode caster into BinStorage
data file, but we are not there yet. Currrently bytesToXXX methods for BinStorage is wrong
and it results unexpected errors. Eg.
> {code}
> a = load '1.txt' as (a0, a1, a2);
> store a into '1.bin' as BinStorage();
> a = load '1.bin' using BinStorage as (a0, a1, a2);
> b = foreach a generate (long)a0;
> dump b;
> {code}
> The code will run but produce wrong data. It's less confusing if we throw an exception
in this case.
> Release Notes:
> Pig will throw exception in the case we want to convert bytes loading from BinStorage

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