organicmaps/kothic
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two-staired query for faster execution

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This commit is contained in:
Darafei Praliaskouski 2012-07-22 21:15:41 +03:00
parent 1af8acebbc
commit be291ca948
1 changed files with 2 additions and 2 deletions
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4
src/komap.py
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@ -643,9 +643,9 @@ if options.renderer == "mapnik":
elif layer_type == "line" and there_are_dashed_lines:
itags = ", ".join(itags)
oitags = '"'+ "\", \"".join(oitags) +'"'
sqlz = """select %s, ST_LineMerge((ST_SnapToGrid(ST_Union(way),%s))) as way from (SELECT * from planet_osm_line where way && !bbox! and (%s)) as tex
sqlz = """select %s, ST_LineMerge(ST_Union(way)) as way from (SELECT %s, ST_SnapToGrid(way, %s) as way from planet_osm_line where way && !bbox! and (%s)) as tex
group by %s
"""%(itags,pixel_size_at_zoom(zoom, 0.5),sql,oitags)
"""%(itags, oitags,pixel_size_at_zoom(zoom, 0.7),sql,oitags)
mfile.write(xml_layer("postgis-process", layer_type, itags, sqlz, zoom=zoom ))
else:
if roads: