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From Apache Wiki <wikidi...@apache.org>
Subject [Pig Wiki] Update of "PigAbstractionLayer" by AntonioMagnaghi
Date Tue, 20 Nov 2007 22:51:16 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Pig Wiki" for change notification.

The following page has been changed by AntonioMagnaghi:
http://wiki.apache.org/pig/PigAbstractionLayer

------------------------------------------------------------------------------
  }}}
  
  === Data Storage Descriptors ===
+ Descriptors are a represenation of entities in the Data Storage and are used to access and
carry out operations on such entities.
+ There are Element Descriptors and Container Descriptors. The latter are descriptors for
entities that contain Data Storage Element Descriptors.
  
  {{{
  package org.apache.pig.datastorage;
@@ -308, +310 @@

  }
  }}}
  
+ === Data-Storage Use-Cases ===
+ The links below contain code fragments that make use the propoesed APIs.
+ 
+    PigAbstractionFrontEnd: sample re-write of some fragments of Pig
+ 
+    PigAbstractionHadoopBackEnd: sample code that implements the proposed APIs on top of
Hadoop.
+ 

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