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<p class="MsoNormal"><span lang="EN-US">Hi everybody,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">do anyone know if a driver can know the number of fields (and it’s names, etc) of a layer BEFORE starting fetch features? So in the moment of create the layer.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I mean, when a driver is creating the own layer it could probably be interested in creating all fields before starting and not in the middle of translation. It could be caused because the output format requires that in
terms of efficiency. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For instance, first feature have 3 fields, second feature have four, etc... Until the last feature driver is not sure of all fields are definitive.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">And every time a feature is added the driver have to verify in which destination field corresponds to the new one.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So, I accepted that it happens with the number of features (Even can remember my concerns that time) and I am wondering if I have to accept that for the number of fields.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks a lot.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#003300;mso-fareast-language:CA">Abel Pau Garcia</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:CA">
<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#669900;mso-fareast-language:CA">GIS developer</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#669900;mso-fareast-language:CA"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#003300;mso-fareast-language:CA"><a href="mailto:a.pau@creaf.uab.cat"><b><span style="color:blue">a.pau@creaf.uab.cat</span></b></a><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#003300;mso-fareast-language:CA">Tel. +34 934814277</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#003300;mso-fareast-language:CA"><o:p></o:p></span></p>
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</b><a href="http://blog.creaf.cat" target="_blank"><b><span style="color:#003300;text-decoration:none">http://blog.creaf.cat</span></b></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#003300;mso-fareast-language:CA">CREAF. Campus UAB. Edifici C. 08193 Bellaterra (Barcelona)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:#999999;mso-fareast-language:CA"><br>
Before printing this electronic message, think about the environment.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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