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Merge pull request #2058 from lonvia/split-address-words

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Split addr:* tags into words before adding to the search index
This commit is contained in:
Sarah Hoffmann
2020-11-18 08:58:17 +01:00
committed by GitHub
parent 29785ba166 30a6b6bdac
commit 49083c2597
2 changed files with 40 additions and 11 deletions
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30
sql/functions/normalization.sql
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@@ -207,19 +207,31 @@ CREATE OR REPLACE FUNCTION addr_ids_from_name(lookup_word TEXT)
RETURNS INTEGER[]
AS $$
DECLARE
lookup_token TEXT;
words TEXT[];
id INTEGER;
return_word_id INTEGER[];
word_ids INTEGER[];
j INTEGER;
BEGIN
lookup_token := make_standard_name(lookup_word);
SELECT array_agg(word_id) FROM word
WHERE word_token = lookup_token and class is null and type is null
INTO return_word_id;
IF return_word_id IS NULL THEN
id := nextval('seq_word');
INSERT INTO word VALUES (id, lookup_token, null, null, null, null, 0);
return_word_id = ARRAY[id];
words := string_to_array(make_standard_name(lookup_word), ' ');
IF array_upper(words, 1) IS NOT NULL THEN
FOR j IN 1..array_upper(words, 1) LOOP
IF (words[j] != '') THEN
SELECT array_agg(word_id) INTO word_ids
FROM word
WHERE word_token = words[j] and class is null and type is null;
IF word_ids IS NULL THEN
id := nextval('seq_word');
INSERT INTO word VALUES (id, words[j], null, null, null, null, 0);
return_word_id := return_word_id || id;
ELSE
return_word_id := array_merge(return_word_id, word_ids);
END IF;
END IF;
END LOOP;
END IF;
RETURN return_word_id;
END;
$$