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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (PIG-789) coupling load and store in script no longer works
Date Mon, 04 May 2009 23:24:30 GMT

     [ https://issues.apache.org/jira/browse/PIG-789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Gates resolved PIG-789.
----------------------------

       Resolution: Fixed
    Fix Version/s: 0.3.0

Patch checked in.  Thanks Gunther.

> coupling load and store in script no longer works
> -------------------------------------------------
>
>                 Key: PIG-789
>                 URL: https://issues.apache.org/jira/browse/PIG-789
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.3.0
>            Reporter: Alan Gates
>            Assignee: Gunther Hagleitner
>             Fix For: 0.3.0
>
>         Attachments: dump_bug.patch
>
>
> Many user's pig script do something like this:
> a = load '/user/pig/tests/data/singlefile/studenttab10k' as (name, age, gpa);
> c = filter a by age > 500;
> e = group c by (name, age);
> f = foreach e generate group, COUNT($1);
> store f into 'bla';
> f1 = load 'bla';
> g = order f1 by $1;
> dump g;
> With the inclusion of the multi-query phase2 patch this appears to no longer work.  You
get an error:
> 2009-04-28 18:24:50,776 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2100: hdfs://wilbur11.labs.corp.sp1.yahoo.com/user/gates/bla
does not exist.
> We shouldn't be checking for bla's existence here because it will be created eventually
by the script.

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