[fdo-trac] #222: SQLServerSpatial Provider: improve geometries fetching performance

[FDO]

#222: SQLServerSpatial Provider: improve geometries fetching performance
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   Reporter:  danstoica    |       Owner:  danstoica
       Type:  enhancement  |      Status:  new      
   Priority:  major        |   Milestone:  3.3.0    
  Component:  FDO API      |     Version:  3.3.0    
   Severity:  3            |    Keywords:           
External_id:               |  
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 Currently when a larger than 5K geometry is hit, the geometries are
 unbound and all the subsequent batches are fetched as blobs. Note array
 fetch mechanism is in place.

 This can be optimezed as:
 - enlarge the buffer size (say 10K)
 - fetch as blob only the truncated geometry
 - rebind back the array of geometries.

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/222>
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