$$ LANGUAGE SQL IMMUTABLE STRICT;
+CREATE OR REPLACE FUNCTION token_is_street_address(info JSONB)
+ RETURNS BOOLEAN
+AS $$
+ SELECT info->>'street' is not null or info->>'place' is null;
+$$ LANGUAGE SQL IMMUTABLE;
+
+
CREATE OR REPLACE FUNCTION token_has_addr_street(info JSONB)
RETURNS BOOLEAN
AS $$
- SELECT info->>'street' is not null;
+ SELECT info->>'street' is not null and info->>'street' != '{}';
$$ LANGUAGE SQL IMMUTABLE;
$$ LANGUAGE SQL IMMUTABLE STRICT;
-CREATE OR REPLACE FUNCTION token_normalized_postcode(postcode TEXT)
+CREATE OR REPLACE FUNCTION token_get_postcode(info JSONB)
RETURNS TEXT
AS $$
- SELECT CASE WHEN postcode SIMILAR TO '%(,|;)%' THEN NULL ELSE upper(trim(postcode))END;
+ SELECT info->>'postcode';
$$ LANGUAGE SQL IMMUTABLE STRICT;
END;
$$
LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION create_analyzed_hnr_id(norm_term TEXT, lookup_terms TEXT[])
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ return_id INTEGER;
+BEGIN
+ SELECT min(word_id) INTO return_id
+ FROM word WHERE word = norm_term and type = 'H';
+
+ IF return_id IS NULL THEN
+ return_id := nextval('seq_word');
+ INSERT INTO word (word_id, word_token, type, word, info)
+ SELECT return_id, lookup_term, 'H', norm_term,
+ json_build_object('lookup', lookup_terms[1])
+ FROM unnest(lookup_terms) as lookup_term;
+ END IF;
+
+ RETURN return_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION create_postcode_word(postcode TEXT, lookup_terms TEXT[])
+ RETURNS BOOLEAN
+ AS $$
+DECLARE
+ existing INTEGER;
+BEGIN
+ SELECT count(*) INTO existing
+ FROM word WHERE word = postcode and type = 'P';
+
+ IF existing > 0 THEN
+ RETURN TRUE;
+ END IF;
+
+ -- postcodes don't need word ids
+ INSERT INTO word (word_token, type, word)
+ SELECT lookup_term, 'P', postcode FROM unnest(lookup_terms) as lookup_term;
+
+ RETURN FALSE;
+END;
+$$
+LANGUAGE plpgsql;
+