[fdo-trac] #162: The Expression engine does not handle order by with null values

[FDO]

#162: The Expression engine does not handle order by with null values
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   Reporter:  badreddinekaroui  |       Owner:  Dadreddine Karoui
       Type:  defect            |      Status:  new              
   Priority:  major             |   Milestone:  3.3.0            
  Component:  Utilities API     |     Version:  3.2.0            
   Severity:  3                 |    Keywords:                   
External_id:  999665            |  
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 The expression throws an exception when it acounters a null value when
 ordering the result.

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/162>
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