[fdo-trac] #664: FdoUnaryLogicalOperator::ToString generates an invalid filter

[FDO]

#664: FdoUnaryLogicalOperator::ToString generates an invalid filter
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   Reporter:  romicadascalescu  |       Owner:  romicadascalescu
       Type:  defect            |      Status:  new             
   Priority:  major             |   Milestone:  3.6.0           
  Component:  FDO API           |     Version:  3.4.0           
   Severity:  3                 |    Keywords:                  
External_id:                    |  
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 FdoUnaryLogicalOperator ToString generates an invalid filter, it should
 add brackets around the condition
 E.g.:
 filter = NOT ( a AND b)
 filter.ToString() will result in  NOT a AND b and it should be NOT (a AND
 b)

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/664>
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