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List:       fdo-internals
Subject:    Re: [fdo-internals] SDF Spatial Index Error... crashing SDF file?!
From:       Maksim Sestic <max () geoinova ! com>
Date:       2008-08-02 12:28:41
Message-ID: 18788771.post () talk ! nabble ! com
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Filed a ticket: http://trac.osgeo.org/fdo/ticket/364

Regards,
Maksim Sestic


zspitzer wrote:
> 
> I have had the same problem doing  oracle -< sdf using fdo2fdo, generally
> always with larger datasets.
> It would be nice if the error message included the identity column value
> for debugging...
> 
> 
> Maksim Sestic wrote:
> > 
> > Hm, the problem is confirmed... It seems that inserting invalid
> > geometries (invalid to what extent - still need to figure out) into SDF
> > causes breaking spatial index. Alas, after spatial index gets broken the
> > whole SDF is trashed - beyond recovering. This is rather critical. I.e.
> > 700 Mb file gets reduced to 1 Mb and cannot be recognized/open by FDO
> > anymore.
> > 
> > Regards,
> > Maksim Sestic
> > 
> > 
> > Maksim Sestic wrote:
> > > 
> > > Hi all,
> > > 
> > > Just got an error report during INSERT-ing large dataset into the SDF
> > > file using FDO managed wrappers:
> > > 
> > > "SDF spatial index error."
> > > 
> > > 
> > > After that, any consecutive SDF file access yields:
> > > 
> > > "File is not an SDF file, or is an SDF file with an unsupported
> > > version."
> > > 
> > > ...and SDF file itself seems to be broken somehow (it's not accessible
> > > anymore).
> > > 
> > > What's the cause and is there any help to it?
> > > 
> > > Regards,
> > > Maksim Sestic
> > > 
> > 
> > 
> 
> 

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