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<p class="MsoNormal">I am trying to create one multilinestring from several multilinestrings. These are the geom results from a pgRouting query:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">SELECT pt.geom<o:p></o:p></p>
<p class="MsoNormal"> FROM pgr_dijkstra(<o:p></o:p></p>
<p class="MsoNormal"> 'SELECT gid AS id,<o:p></o:p></p>
<p class="MsoNormal"> sourceroute::integer as source,<o:p></o:p></p>
<p class="MsoNormal"> targetroute::integer as target,<o:p></o:p></p>
<p class="MsoNormal"> (feet / 5280)::double precision AS cost,<o:p></o:p></p>
<p class="MsoNormal"> feet::double precision as reverse_cost<o:p></o:p></p>
<p class="MsoNormal"> FROM ngrdsaroo2',2465,1713,false,true)
<o:p></o:p></p>
<p class="MsoNormal"> as di<o:p></o:p></p>
<p class="MsoNormal"> JOIN ngrdsaroo2 pt on di.id2 = pt.gid<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-This returns many rows of multilinesting geometry. I want to combine these into one geometry, so that I can save it as a route for display. I’ve tried ST_Union, ST_LineMerge, and others, but can’t seem to get anything to work, I keep
getting errors.<o:p></o:p></p>
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