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The "LoadStoreRedesignProposal" page has been changed by PradeepKamath.
http://wiki.apache.org/pig/LoadStoreRedesignProposal?action=diff&rev1=9&rev2=10

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   * Added relativeToAbsolutePath() method in LoadFunc per 
http://issues.apache.org/jira/browse/PIG-879?focusedCommentId=12768818&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12768818
   * Changed comments in setLocation regarding the location passed - the 
location will now be the return value of relativeToAbsolutePath()
   * setLocation() now also takes a Job argument since the main purpose of this 
call is to an opportunity to the LoadFunc implementation to communicate the 
input location to underlying InputFormat. InputFormat implementations inturn 
seem to be storing this information inthe Job. For example, FileInputFormat has 
the following static method to set the input location: setInputPaths(JobConf 
conf, String commaSeparatedPaths) ;
+  * Removed doneReading() method since there is already a RecordReader.close() 
method which will be called by Hadoop wherein all the functionality that needs 
to be done on completion of reading can be done.
   * All methods now can throw IOException - this keeps the interface more 
flexible for exception cases
  
  In LoadMetadata:

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