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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#44546A;mso-fareast-language:EN-US">Thank you Gavin, I will give it a try.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Tahoma",sans-serif;color:#44546A;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif;color:#44546A">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif;color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Tahoma",sans-serif;color:#44546A">Mike Caister<o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Africa [mailto:africa-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Gavin Fleming<br>
<b>Sent:</b> 13 June 2018 07:15<br>
<b>To:</b> Africa local chapter discussions <africa@lists.osgeo.org><br>
<b>Subject:</b> Re: [OSGeo Africa] Oracle select query to select entities where the geometry only has one boundary<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Mike<o:p></o:p></p>
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<p class="MsoNormal">Oracle not being FOSS and with it using the SDO geometry type that I’m not familiar with, I can’t give you the Oracle SQL answer, but the query in PostGIS (which DRDLR should be using :-) ) would be<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">SELECT * FROM mytable <o:p></o:p></p>
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<p class="MsoNormal">WHERE ST_NumGeometries(geom) = 1 - - this will exclude multipolygons<o:p></o:p></p>
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<p class="MsoNormal"><span class="apple-tab-span"> </span>AND ST_NumInteriorRings(geom) = 0 - - this will exclude polygons with holes (interior rings)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Gavin<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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