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reduce search area for secondary adresses when areas are involved

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Sarah Hoffmann
2015-02-06 23:22:20 +01:00
parent 0de6f37647
commit 5d87136969
1 changed files with 14 additions and 1 deletions
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15
sql/functions.sql
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@@ -1794,7 +1794,20 @@ BEGIN
IF location.rank_address != location_rank_search THEN
location_rank_search := location.rank_address;
location_distance := location.distance * 1.5;
IF location.isguess THEN
location_distance := location.distance * 1.5;
ELSE
IF location.rank_address <= 12 THEN
-- for county and above, if we have an area consider that exact
-- (It would be nice to relax the constraint for places close to
-- the boundary but we'd need the exact geometry for that. Too
-- expensive.)
location_distance = 0;
ELSE
-- Below county level remain slightly fuzzy.
location_distance := location.distance * 0.5;
END IF;
END IF;
ELSE
CONTINUE WHEN location.keywords <@ location_keywords;
END IF;