[mapguide-trac] #1965: Linux: Preview feature of join feature class results in exception.

[MapGuide Open Source]

#1965: Linux: Preview feature of join feature class results in exception.
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   Reporter:  hubu             |       Owner:  hubu      
       Type:  defect           |      Status:  new       
   Priority:  high             |   Milestone:  2.4       
  Component:  Feature Service  |     Version:  2.2.0     
   Severity:  major            |    Keywords:  Join Linux
External_id:  1453197          |  
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Comment(by hubu):

 Add a patch to fix this issue.

 Reason:
 On linux, we used STRING::rfind(pattern) to find the pattern from the
 string, once we didn't find the pattern, then return a infinite value.
 Then we used this infinite value to get the substr from the string, so the
 substr is incorrect. And the incorrect substr will cause the FDO exception
 on Linux.

 Solution:
 We should check whether the return value of STRING::rfind() is
 STRING::npos, if yes we shouldn't continue to get the substr from this
 value.

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Ticket URL: <https://trac.osgeo.org/mapguide/ticket/1965#comment:1>
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