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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Try doing<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:#C82613'>SELECT s.*, n.name AS neighborhood FROM nyc_neighborhoods AS n JOIN nyc_subway_stations AS s ON ST_Contains(n.geom, s.geom);<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:#C82613'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>When you do *, it picks up all columns from both tables and I don’t think QGIS likes duplicated columns<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> postgis-users [mailto:postgis-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Tsering W. Shawa<br><b>Sent:</b> Tuesday, April 28, 2020 12:32 PM<br><b>To:</b> postgis-users@lists.osgeo.org<br><b>Subject:</b> [postgis-users] Postgis spatial join display error<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'>I am new to PostGIS and trying to learn how everything works. I am using Introduction to PostGIS site data to test different GIS function including spatial join. The spatial join SQL statement seems to work [</span><span style='font-family:"Calibri",sans-serif;color:#C82613'>SELECT * FROM nyc_neighborhoods AS n JOIN nyc_subway_stations AS s ON ST_Contains(n.geom, s.geom);</span><span style='font-family:"Calibri",sans-serif;color:black'> ] but when I try to add the result to the QGIS I get an error message saying "there was an error creating the SQL layer". When I tried the simpler the SQL function by selecting only row with a particular name [</span><span style='font-family:"Calibri",sans-serif;color:#C82613'>SELECT * FROM nyc_neighborhoods WHERE name = 'Soho';</span><span style='font-family:"Calibri",sans-serif;color:black'>]. The SQL statement worked as well as I was able to add the SQL layer on a map. I am using QGIS's DB Manager to write SQL statements.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'>I was wondering what I am missing here. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'>Any suggestions or help will be appreciated. FYI. I have installed PostgreSQL 12 with PostGIS 3.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'>Many thanks,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-family:"Calibri",sans-serif;color:black'>-Tsering<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div></div></div></div></body></html>