Hi all,<div><br></div><div>I have a table of 3.200.000 linestrings and I have to extract the start point (x1, y1) and the end point (x2, y2).</div><div><br></div><div>So I make :</div><div>UPDATE myTable SET x1 = St_X(St_StartPoint(the_geom));</div>
<div><br></div><div>But the query is running since 5 hours, and still not finished.</div><div><br></div><div>The computer is an Ubuntu Server, i3, with 4Go of RAM..</div><div><br></div><div>Is it normal ? Is there is something to do somewhere ?</div>
<div><br></div><div>Thank you :)</div><div>Kin</div>