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Date: Tue, 15 Feb 2011 18:17:57 +0000 (UTC)
From: "Olga Natkovich (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
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Subject: [jira] Updated: (PIG-1765) as_clause in foreach statement should
 differentiate between simple type and type within tuple
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     [ https://issues.apache.org/jira/browse/PIG-1765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Olga Natkovich updated PIG-1765:
--------------------------------

    Assignee: Xuefu Zhang

Xuefu, can we just follow Alan's suggestion and test to make sure we are not breaking compatibility on this one.

> as_clause in foreach statement should differentiate between simple type and type within tuple
> ---------------------------------------------------------------------------------------------
>
>                 Key: PIG-1765
>                 URL: https://issues.apache.org/jira/browse/PIG-1765
>             Project: Pig
>          Issue Type: Sub-task
>            Reporter: Thejas M Nair
>            Assignee: Xuefu Zhang
>             Fix For: 0.9.0
>
>
> In new parser changes, the following statements are treated as same -
> f = foreach l generate a as aa :int;      -- here the column is now called aa and has type int
> f = foreach l generate a as (aa :int);   -- this should mean that the column has type "tuple with column aa of type int" 
> With old parser the 2nd statement results in syntax error, which is fine, because it requires name part . 
> The parenthesis represent tuple in pig.  We should deprecate support for load statement that takes schema without the parenthesis part , such as following example -
> l = load 'x' as a:int -- It should be as (a :int) , it is treated as such but this is inconsistent syntax.

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