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tweak postcode search

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Give a preference to left-right reading, i.e <postcode>,<address>
prefers a postcode search while <address>,<postcode> rather does
an address search.

Also exclude non-addressables, countries and state from results when a
postcode is contained in the query.
This commit is contained in:
Sarah Hoffmann
2023-06-20 10:54:04 +02:00
parent 1b50381852
commit d0a1e8e311
5 changed files with 17 additions and 5 deletions
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4
nominatim/api/search/db_search_builder.py
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@@ -141,12 +141,14 @@ class SearchBuilder:
yield dbs.CountrySearch(sdata)
if sdata.postcodes and (is_category or self.configured_for_postcode):
penalty = 0.0 if sdata.countries else 0.1
if address:
sdata.lookups = [dbf.FieldLookup('nameaddress_vector',
[t.token for r in address
for t in self.query.get_partials_list(r)],
'restrict')]
yield dbs.PostcodeSearch(0.4, sdata)
penalty += 0.2
yield dbs.PostcodeSearch(penalty, sdata)
def build_housenumber_search(self, sdata: dbf.SearchData, hnrs: List[Token],