<div dir="ltr"><div><div>Now for FileGeoDB datasets<br>====================<br>1. For FileGeoDB GetFIDColumn returns a column name <br>for some data set it is a part of feature values with _1, for some there doesn't exist any feature value <br><br>2. GetFID returns a number for some data set and it is sequential, for others the value returned are not in order.<br><br></div>Can any provide any links or pointer or enlighten me on this stuff.<br><br></div>Gane<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 30, 2015 at 7:07 PM, Even Rouault <span dir="ltr"><<a href="mailto:even.rouault@spatialys.com" target="_blank">even.rouault@spatialys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">Le mercredi 30 septembre 2015 15:32:40, Gane R a écrit :<br>
> Hi,<br>
><br>
> Is it that OGRLayer::GetFIDColumn will return empty string for Shapefile I<br>
> have or it will be always empty for all shape files?<br>
<br>
</span>Always empty<br>
<span class=""><br>
><br>
> If I can see FID Column for a shape file in any other application can you<br>
> name any one of them<br>
<br>
</span>They likely use a conventionnal name. But technically there's no field in the<br>
.dbf or the .shp to hold the name of the FID.<br>
Also good to know: the OGR shapefile driver starts its numbering at 0 for the<br>
FID.<br>
<br>
><br>
><br>
> Gane<br>
<span class="HOEnZb"><font color="#888888"><br>
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