[jira] Assigned: (PIG-1333) API interface to Pig

["Richard Ding (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Ding reassigned PIG-1333:
---------------------------------

    Assignee: Richard Ding

> API interface to Pig
> --------------------
>
>                 Key: PIG-1333
>                 URL: https://issues.apache.org/jira/browse/PIG-1333
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Olga Natkovich
>            Assignee: Richard Ding
>             Fix For: 0.8.0
>
>
> It would be nice to make Pig more friendly for applications like workflow that would be executing pig scripts on user behalf.
> Currently, they would have to use pig command line to execute the code; however, this has limitation on the kind of output that would be delivered. For instance, it is hard to produce error information that is easy to use programatically or collect statistics.
> The proposal is to create a class that mimics the behavior of the Main but gives users a status object back. The the main code of pig would look somethig like:
> public static void main(String args[])
> {
>     PigStatus ps = PigMain.exec(args);
>     exit (PigStatus.rc);
> }
> We need to define the following:
> - Content of PigStatus. It should at least include
>    * return code
>    * error string
>    * exception 
>    * statistics
> - A way to propagate the status class through pig code

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