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for roads add all intersecting boundaries to address list

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When roads cross boundaries, both administrative entities should
be added to the address list, so that both entities can be used
for searching. Also allows in a second step to better sort out
addresses of POIs on such roads.

Fixes #121.
This commit is contained in:
Sarah Hoffmann
2017-03-18 12:17:48 +01:00
parent ecee3828b3
commit b3186d07f5
4 changed files with 63 additions and 7 deletions
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10
sql/partition-functions.src.sql
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@@ -1,4 +1,4 @@
create or replace function getNearFeatures(in_partition INTEGER, point GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeaturecentr AS $$
create or replace function getNearFeatures(in_partition INTEGER, feature GEOMETRY, maxrank INTEGER, isin_tokens INT[]) RETURNS setof nearfeaturecentr AS $$
DECLARE
r nearfeaturecentr%rowtype;
BEGIN
@@ -6,14 +6,14 @@ BEGIN
-- start
IF in_partition = -partition- THEN
FOR r IN
SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(point, centroid)) as distance, isguess, centroid FROM (
SELECT * FROM location_area_large_-partition- WHERE ST_Contains(geometry, point) and rank_search < maxrank
SELECT place_id, keywords, rank_address, rank_search, min(ST_Distance(feature, centroid)) as distance, isguess, centroid FROM (
SELECT * FROM location_area_large_-partition- WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
UNION ALL
SELECT * FROM location_area_country WHERE ST_Contains(geometry, point) and rank_search < maxrank
SELECT * FROM location_area_country WHERE ST_Intersects(geometry, feature) and rank_search < maxrank
) as location_area
GROUP BY place_id, keywords, rank_address, rank_search, isguess, centroid
ORDER BY rank_address, isin_tokens && keywords desc, isguess asc,
ST_Distance(point, centroid) *
ST_Distance(feature, centroid) *
CASE
WHEN rank_address = 16 AND rank_search = 15 THEN 0.2 -- capital city
WHEN rank_address = 16 AND rank_search = 16 THEN 0.25 -- city