# Matching for tags table
cond_tbl = Array.new
- sql = '1=1'
+ sql = 'id IN (SELECT id FROM current_way_tags WHERE 1=1'
if type
sql += ' AND k=?'
cond_tbl += [type]
sql += ' AND v=?'
cond_tbl += [value]
end
+ sql += ')'
cond_tbl = [sql] + cond_tbl
# Matching for tags column
end
- # First up, look for the ids of the ways we want
+ # First up, look for the ways we want
if do_ways
- ways_tmp = WayTag.find(:all, :conditions => cond_tbl)
- way_ids = ways_tmp.collect {|way| way.id }
+ ways = Way.find(:all, :conditions => cond_tbl, :limit => 100)
end
# Now, segments matching
if do_segments
- segs = Segment.find(:all, :conditions => cond_tags)
+ segments = Segment.find(:all, :conditions => cond_tags, :limit => 500)
end
# Now, nodes
if do_nodes
- nodes = Node.find(:all, :conditions => cond_tags)
+ nodes = Node.find(:all, :conditions => cond_tags, :limit => 2000)
end
- # Get the remaining objects:
- # Fetch the ways (until now only had their ids)
- ways = Way.find(way_ids)
-
# Fetch any segments needed for our ways (only have matching segments so far)
- seg_ids = Array.new
- ways.each do |way|
- seg_ids += way.segs
- end
- segments += Segment.find(seg_ids)
+ segments += Segment.find(ways.collect { |w| w.segs }.uniq)
# Fetch any nodes needed for our segments (only have matching nodes so far)
- node_ids = Array.new
- segments.each do |seg|
- node_ids += [seg.node_a, seg.node_b]
- end
- nodes += Node.find(node_ids)
-
+ nodes += Node.find(segments.collect { |s| [s.node_a, s.node_b] }.flatten.uniq)
# Print
+ user_display_name_cache = {}
doc = OSM::API.new.get_xml_doc
nodes.each do |node|
- doc.root << node.to_xml_node()
+ doc.root << node.to_xml_node(user_display_name_cache)
end
segments.each do |segment|
- doc.root << segment.to_xml_node()
+ doc.root << segment.to_xml_node(user_display_name_cache)
end
ways.each do |way|
- doc.root << way.to_xml_node()
+ doc.root << way.to_xml_node(user_display_name_cache)
end
render :text => doc.to_s, :content_type => "text/xml"