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add postcodes as special items in word table

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This commit is contained in:
Sarah Hoffmann 2017-07-03 22:13:01 +02:00
parent 43869b9938
commit a2a1901b09
2 changed files with 26 additions and 2 deletions
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2
data/words.sql
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@ -29787,7 +29787,7 @@ st 5557484
-- prefill word table
select count(make_keywords(v)) from (select distinct svals(name) as v from place) as w where v is not null;
select count(make_keywords(v)) from (select distinct address->'postcode' as v from place where address ? 'postcode') as w where v is not null;
select count(getorcreate_postcode_id(v)) from (select distinct address->'postcode' as v from place where address ? 'postcode' and address->'postcode' not similar to '%(,|;)%') as w where v is not null;
select count(getorcreate_housenumber_id(make_standard_name(v))) from (select distinct address->'housenumber' as v from place where address ? 'housenumber') as w;
-- copy the word frequencies

26
sql/functions.sql
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@ -83,6 +83,26 @@ END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_postcode_id(postcode TEXT)
RETURNS INTEGER
AS $$
DECLARE
lookup_token TEXT;
lookup_word TEXT;
return_word_id INTEGER;
BEGIN
lookup_word := upper(trim(postcode));
lookup_token := ' ' || make_standard_name(lookup_word);
SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='postcode' into return_word_id;
IF return_word_id IS NULL THEN
return_word_id := nextval('seq_word');
INSERT INTO word VALUES (return_word_id, lookup_token, lookup_word, 'place', 'postcode', null, 0);
END IF;
RETURN return_word_id;
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION getorcreate_country(lookup_word TEXT, lookup_country_code varchar(2))
RETURNS INTEGER
AS $$
@ -619,7 +639,7 @@ BEGIN
-- add postcode only if it contains a single entry, i.e. ignore postcode lists
postcode := NULL;
IF in_postcode is not null AND in_postcode not similar to '%(,|;)%' THEN
postcode := upper(trim (both ' ' from in_postcode));
postcode := upper(trim (in_postcode));
END IF;
IF ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') THEN
@ -1266,6 +1286,10 @@ BEGIN
addr_street = NEW.address->'street';
addr_place = NEW.address->'place';
IF NEW.address ? 'postcode' and NEW.address->'postcode' not similar to '%(,|;)%' THEN
i := getorcreate_postcode_id(NEW.address->'postcode');
END IF;
END IF;
-- Speed up searches - just use the centroid of the feature