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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Is There a solution, I’m stopped
</span><span style="font-size:10.0pt;font-family:Wingdings;color:#17365D">L</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"> ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Is there any equivalent way to do what the SQL Query does, but that works with SQLite ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Sincerely,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Ahmed<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Ahmed Tolba
<br>
<b>Sent:</b> Wednesday, March 22, 2017 3:08 PM<br>
<b>To:</b> 'Even Rouault'<br>
<b>Cc:</b> gdal-dev@lists.osgeo.org<br>
<b>Subject:</b> RE: [gdal-dev] Executing a query getting null layer<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Now I get undefined function st_linefrommultipoint<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Here is my query again<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">string query =
<span style="color:#A31515">"SELECT * FROM areas WHERE st_contains(st_polygon(st_addpoint(st_linefrommultipoint(areas.geom),st_startpoint(st_linefrommultipoint(areas.geom)),-1),st_srid(areas.geom)),st_mpointfromtext('MULTIPOINT(16.17951 47.85549, 16.17951 47.85549,
16.17951 47.85549, 16.17951 47.85549)',4326));"</span>;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">I have put NULL for the dialect as suggested.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">Many Thanks,<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">Ahmed
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Even Rouault [<a href="mailto:even.rouault@spatialys.com">mailto:even.rouault@spatialys.com</a>]
<br>
<b>Sent:</b> Wednesday, March 22, 2017 3:05 PM<br>
<b>To:</b> <a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><br>
<b>Cc:</b> Ahmed Tolba; jratike80<br>
<b>Subject:</b> Re: [gdal-dev] Executing a query getting null layer<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">On mercredi 22 mars 2017 13:58:52 CET Ahmed Tolba wrote:<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> My data is in mapserver database which is PostGres PostGIS. What's the<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> equivalent function for st_linefrommultipoint ?<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Ah ok just put NULL for the dialect argument in that case. This will evaluate the query on Postgres side.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> -----Original Message-----<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> From: gdal-dev [<a href="mailto:gdal-dev-bounces@lists.osgeo.org">mailto:gdal-dev-bounces@lists.osgeo.org</a>] On
Behalf Of<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> jratike80<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Sent: Wednesday, March 22, 2017 2:40 PM<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> To:
<a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> Subject: Re: [gdal-dev] Executing a query getting null layer<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> andreahmed wrote<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> > I replaced OGRSQL with SQLite, It says now<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> >
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> > No such function: st_linefrommultipoint<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> That's no wonder because SpatiaLite does not have such function<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<a href="https://www.gaia-gis.it/gaia-sins/spatialite-sql-latest.html">https://www.gaia-gis.it/gaia-sins/spatialite-sql-latest.html</a>.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> Where do you have your data? Are they in PostGIS which has a native support<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> for
<a href="http://postgis.net/docs/ST_LineFromMultiPoint.html">http://postgis.net/docs/ST_LineFromMultiPoint.html</a>?<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> -Jukka Rahkonen.-<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
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<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> --<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> View this message in context:<o:p></o:p></span></p>
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<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> -layer-tp5313639p5313646.html<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Sent from the GDAL - Dev mailing list archive<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> at Nabble.com.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> _______________________________________________<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> gdal-dev mailing list<o:p></o:p></span></p>
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<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> gdal-dev mailing list<o:p></o:p></span></p>
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