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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> I’m new to postgis/postgresql. I was wondering if anyone could tell me how to make a function out of this sql query:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">WITH RECURSIVE flow(gid, geom) AS (<o:p></o:p></p>
<p class="MsoNormal"> SELECT e.gid, e.geom FROM electric_line e, fuses f WHERE ST_DWithin(ST_AsText(e.geom)::geometry, ST_AsText(f.geom)::geometry, 0.01) AND f.gid=' . $_GET['fuse'] . '<o:p></o:p></p>
<p class="MsoNormal"> UNION ALL<o:p></o:p></p>
<p class="MsoNormal"> SELECT n.gid, n.geom<o:p></o:p></p>
<p class="MsoNormal"> FROM electric_line n, flow f<o:p></o:p></p>
<p class="MsoNormal"> WHERE ST_DWithin(ST_EndPoint(f.geom),ST_StartPoint(n.geom),0.01)<o:p></o:p></p>
<p class="MsoNormal"> )<o:p></o:p></p>
<p class="MsoNormal">SELECT *, ST_ASGeoJSON(ST_Transform(geom,4326),6) AS geojson<o:p></o:p></p>
<p class="MsoNormal">FROM flow;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> I’d like to make a function flow(gid)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Jon<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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