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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thanks for the errata. Corrected now.<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>Jian He<br><b>Sent:</b> Wednesday, April 20, 2022 5:12 AM<br><b>To:</b> PostGIS Users Discussion <postgis-users@lists.osgeo.org><br><b>Subject:</b> [postgis-users] PostGis introduction doc code block seems wrong....<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://postgis.net/workshops/postgis-intro/validity.html">23. Validity — Introduction to PostGIS</a><o:p></o:p></p></div><div><p class=MsoNormal>last code block, <o:p></o:p></p></div><div><div style='mso-element:para-border-div;border:solid #CCCCCC 1.0pt;padding:6.0pt 6.0pt 6.0pt 6.0pt'><pre style='line-height:11.95pt;border:none;padding:0in;overflow:hidden'><span class=gmail-c1><i><span style='font-size:11.5pt;font-family:Consolas;color:#408090;letter-spacing:.2pt'>-- Fix invalid and save the original</span></i></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>UPDATE</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>nyc_neighborhoods</span><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>SET</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>geom</span> </span><span class=gmail-o><span style='font-size:11.5pt;font-family:Consolas;color:#666666;letter-spacing:.2pt'>=</span></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>ST_MakeValid</span><span class=gmail-p>(</span><span class=gmail-n>geom</span><span class=gmail-p>),</span><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>invalid_geom</span> </span><span class=gmail-o><span style='font-size:11.5pt;font-family:Consolas;color:#666666;letter-spacing:.2pt'>=</span></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>geom</span><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>WHERE</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>NOT</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>ST_IsValid</span><span class=gmail-p>(</span><span class=gmail-n>geom</span><span class=gmail-p>);</span><o:p></o:p></span></pre></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I think it should be:<o:p></o:p></p></div><div><div style='mso-element:para-border-div;border:solid #CCCCCC 1.0pt;padding:6.0pt 6.0pt 6.0pt 6.0pt'><pre style='line-height:11.95pt;border:none;padding:0in;overflow:hidden'><span class=gmail-c1><i><span style='font-size:11.5pt;font-family:Consolas;color:#408090;letter-spacing:.2pt'>-- Fix invalid and save the original</span></i></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>UPDATE</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>nyc_neighborhoods</span><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>SET</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>geom</span> </span><span class=gmail-o><span style='font-size:11.5pt;font-family:Consolas;color:#666666;letter-spacing:.2pt'>=</span></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>ST_MakeValid</span><span class=gmail-p>(</span><span class=gmail-n>geom</span><span class=gmail-p>),</span><o:p></o:p></span></pre><pre style='line-height:11.95pt;border:none;padding:0in'><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> geom_invalid</span><span style='font-size:11.0pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'>=</span><span style='font-size:11.0pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>geom</span></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'><br> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>WHERE</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> </span><span class=gmail-k><b><span style='font-size:11.5pt;font-family:Consolas;color:#007020;letter-spacing:.2pt'>NOT</span></b></span><span style='font-size:11.5pt;font-family:Consolas;color:black;letter-spacing:.2pt'> <span class=gmail-n>ST_IsValid</span><span class=gmail-p>(</span><span class=gmail-n>geom</span><span class=gmail-p>);</span><o:p></o:p></span></pre></div></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></div></div></body></html>