[fdo-trac] #182: Expression Function SIGN: Should return INT32 rather than INT16

[FDO]

#182: Expression Function SIGN: Should return INT32 rather than INT16
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   Reporter:  thomasknoell  |       Owner:  thomasknoell
       Type:  defect        |      Status:  new         
   Priority:  major         |   Milestone:  3.3.0       
  Component:  FDO API       |     Version:  3.2.0       
   Severity:  3             |    Keywords:              
External_id:                |  
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 The return data type for the expression function SIGN - the function
 returns -1, 0 or 1 depending on whether the provided value is less than 0,
 0 or greater than 0 - was initialy set to INT16. However, since the SHP
 Provider does not support the INT16 data type the function now returns an
 INT32. This required a signature change and a change in the section that
 returns the result.

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/182>
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