private function createSqlFunctions()
{
+ $sBasePath = CONST_BasePath.'/sql/functions/';
$sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
+ $sTemplate .= file_get_contents($sBasePath.'normalization.sql');
$sTemplate = str_replace('{modulepath}', $this->sModulePath, $sTemplate);
if ($this->bEnableDiffUpdates) {
$sTemplate = str_replace('RETURN NEW; -- %DIFFUPDATES%', '--', $sTemplate);
$$
LANGUAGE plpgsql IMMUTABLE;
-CREATE OR REPLACE FUNCTION transliteration(text) RETURNS text
- AS '{modulepath}/nominatim.so', 'transliteration'
-LANGUAGE c IMMUTABLE STRICT;
-
-CREATE OR REPLACE FUNCTION gettokenstring(text) RETURNS text
- AS '{modulepath}/nominatim.so', 'gettokenstring'
-LANGUAGE c IMMUTABLE STRICT;
-
-CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
- AS $$
-DECLARE
- o TEXT;
-BEGIN
- o := public.gettokenstring(public.transliteration(name));
- RETURN trim(substr(o,1,length(o)));
-END;
-$$
-LANGUAGE 'plpgsql' IMMUTABLE;
-
--- returns NULL if the word is too common
-CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
- count INTEGER;
-BEGIN
- lookup_token := trim(lookup_word);
- SELECT min(word_id), max(search_name_count) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id, count;
- IF return_word_id IS NULL THEN
- return_word_id := nextval('seq_word');
- INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
- ELSE
- IF count > get_maxwordfreq() THEN
- return_word_id := NULL;
- END IF;
- END IF;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_housenumber_id(lookup_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and class='place' and type='house' 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, null, 'place', 'house', null, 0);
- END IF;
- RETURN return_word_id;
-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;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_country(lookup_word TEXT, lookup_country_code varchar(2))
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and country_code=lookup_country_code 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, null, null, null, lookup_country_code, 0);
- END IF;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type 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, normalized_word, lookup_class, lookup_type, null, 0);
- END IF;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT, normalized_word TEXT, lookup_class text, lookup_type text, op text)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and word=normalized_word and class=lookup_class and type = lookup_type and operator = op 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, normalized_word, lookup_class, lookup_type, null, 0, op);
- END IF;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT, src_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- nospace_lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(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
- return_word_id := nextval('seq_word');
- INSERT INTO word VALUES (return_word_id, lookup_token, src_word, null, null, null, 0);
--- nospace_lookup_token := replace(replace(lookup_token, '-',''), ' ','');
--- IF ' '||nospace_lookup_token != lookup_token THEN
--- INSERT INTO word VALUES (return_word_id, '-'||nospace_lookup_token, null, src_word, null, null, null, 0, null);
--- END IF;
- END IF;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
-BEGIN
- RETURN getorcreate_name_id(lookup_word, '');
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION get_word_id(lookup_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_name_id(lookup_word TEXT)
- RETURNS INTEGER
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_id INTEGER;
-BEGIN
- lookup_token := ' '||trim(lookup_word);
- SELECT min(word_id) FROM word WHERE word_token = lookup_token and class is null and type is null into return_word_id;
- RETURN return_word_id;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION get_name_ids(lookup_word TEXT)
- RETURNS INTEGER[]
- AS $$
-DECLARE
- lookup_token TEXT;
- return_word_ids INTEGER[];
-BEGIN
- lookup_token := ' '||trim(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_ids;
- RETURN return_word_ids;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
CREATE OR REPLACE FUNCTION array_merge(a INTEGER[], b INTEGER[])
RETURNS INTEGER[]
LANGUAGE plpgsql;
-CREATE OR REPLACE FUNCTION create_country(src HSTORE, lookup_country_code varchar(2)) RETURNS VOID
- AS $$
-DECLARE
- s TEXT;
- w INTEGER;
- words TEXT[];
- item RECORD;
- j INTEGER;
-BEGIN
- FOR item IN SELECT (each(src)).* LOOP
-
- s := make_standard_name(item.value);
- w := getorcreate_country(s, lookup_country_code);
-
- words := regexp_split_to_array(item.value, E'[,;()]');
- IF array_upper(words, 1) != 1 THEN
- FOR j IN 1..array_upper(words, 1) LOOP
- s := make_standard_name(words[j]);
- IF s != '' THEN
- w := getorcreate_country(s, lookup_country_code);
- END IF;
- END LOOP;
- END IF;
- END LOOP;
-END;
-$$
-LANGUAGE plpgsql;
-
-CREATE OR REPLACE FUNCTION make_keywords(src HSTORE) RETURNS INTEGER[]
- AS $$
-DECLARE
- result INTEGER[];
- s TEXT;
- w INTEGER;
- words TEXT[];
- item RECORD;
- j INTEGER;
-BEGIN
- result := '{}'::INTEGER[];
-
- FOR item IN SELECT (each(src)).* LOOP
-
- s := make_standard_name(item.value);
-
- w := getorcreate_name_id(s, item.value);
-
- IF not(ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
-
- w := getorcreate_word_id(s);
-
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
-
- words := string_to_array(s, ' ');
- IF array_upper(words, 1) IS NOT NULL THEN
- FOR j IN 1..array_upper(words, 1) LOOP
- IF (words[j] != '') THEN
- w = getorcreate_word_id(words[j]);
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END LOOP;
- END IF;
-
- words := regexp_split_to_array(item.value, E'[,;()]');
- IF array_upper(words, 1) != 1 THEN
- FOR j IN 1..array_upper(words, 1) LOOP
- s := make_standard_name(words[j]);
- IF s != '' THEN
- w := getorcreate_word_id(s);
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END LOOP;
- END IF;
-
- s := regexp_replace(item.value, '市$', '');
- IF s != item.value THEN
- s := make_standard_name(s);
- IF s != '' THEN
- w := getorcreate_name_id(s, item.value);
- IF NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END IF;
-
- END LOOP;
-
- RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION make_keywords(src TEXT) RETURNS INTEGER[]
- AS $$
-DECLARE
- result INTEGER[];
- s TEXT;
- w INTEGER;
- words TEXT[];
- i INTEGER;
- j INTEGER;
-BEGIN
- result := '{}'::INTEGER[];
-
- s := make_standard_name(src);
- w := getorcreate_name_id(s, src);
-
- IF NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
-
- w := getorcreate_word_id(s);
-
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
-
- words := string_to_array(s, ' ');
- IF array_upper(words, 1) IS NOT NULL THEN
- FOR j IN 1..array_upper(words, 1) LOOP
- IF (words[j] != '') THEN
- w = getorcreate_word_id(words[j]);
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END LOOP;
- END IF;
-
- words := regexp_split_to_array(src, E'[,;()]');
- IF array_upper(words, 1) != 1 THEN
- FOR j IN 1..array_upper(words, 1) LOOP
- s := make_standard_name(words[j]);
- IF s != '' THEN
- w := getorcreate_word_id(s);
- IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END LOOP;
- END IF;
-
- s := regexp_replace(src, '市$', '');
- IF s != src THEN
- s := make_standard_name(s);
- IF s != '' THEN
- w := getorcreate_name_id(s, src);
- IF NOT (ARRAY[w] <@ result) THEN
- result := result || w;
- END IF;
- END IF;
- END IF;
-
- RETURN result;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
CREATE OR REPLACE FUNCTION get_country_code(place geometry) RETURNS TEXT
AS $$
DECLARE
--- /dev/null
+-- Functions for term normalisation and access to the 'word' table.
+
+CREATE OR REPLACE FUNCTION transliteration(text) RETURNS text
+ AS '{modulepath}/nominatim.so', 'transliteration'
+LANGUAGE c IMMUTABLE STRICT;
+
+
+CREATE OR REPLACE FUNCTION gettokenstring(text) RETURNS text
+ AS '{modulepath}/nominatim.so', 'gettokenstring'
+LANGUAGE c IMMUTABLE STRICT;
+
+
+CREATE OR REPLACE FUNCTION make_standard_name(name TEXT) RETURNS TEXT
+ AS $$
+DECLARE
+ o TEXT;
+BEGIN
+ o := public.gettokenstring(public.transliteration(name));
+ RETURN trim(substr(o,1,length(o)));
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+-- returns NULL if the word is too common
+CREATE OR REPLACE FUNCTION getorcreate_word_id(lookup_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+ count INTEGER;
+BEGIN
+ lookup_token := trim(lookup_word);
+ SELECT min(word_id), max(search_name_count) FROM word
+ WHERE word_token = lookup_token and class is null and type is null
+ INTO return_word_id, count;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, null, null, null, null, 0);
+ ELSE
+ IF count > get_maxwordfreq() THEN
+ return_word_id := NULL;
+ END IF;
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION getorcreate_housenumber_id(lookup_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' ' || trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and class='place' and type='house'
+ INTO return_word_id;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, null,
+ 'place', 'house', null, 0);
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+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 $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and country_code=lookup_country_code
+ INTO return_word_id;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, null,
+ null, null, lookup_country_code, 0);
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION getorcreate_amenity(lookup_word TEXT, normalized_word TEXT,
+ lookup_class text, lookup_type text)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and word = normalized_word
+ and class = lookup_class and type = lookup_type
+ INTO return_word_id;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word,
+ lookup_class, lookup_type, null, 0);
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION getorcreate_amenityoperator(lookup_word TEXT,
+ normalized_word TEXT,
+ lookup_class text,
+ lookup_type text,
+ op text)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and word = normalized_word
+ and class = lookup_class and type = lookup_type and operator = op
+ INTO return_word_id;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, normalized_word,
+ lookup_class, lookup_type, null, 0, op);
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT, src_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ nospace_lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and class is null and type is null
+ INTO return_word_id;
+ IF return_word_id IS NULL THEN
+ return_word_id := nextval('seq_word');
+ INSERT INTO word VALUES (return_word_id, lookup_token, src_word,
+ null, null, null, 0);
+ END IF;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION getorcreate_name_id(lookup_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+BEGIN
+ RETURN getorcreate_name_id(lookup_word, '');
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION get_word_id(lookup_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and class is null and type is null
+ INTO return_word_id;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql STABLE;
+
+
+CREATE OR REPLACE FUNCTION get_name_id(lookup_word TEXT)
+ RETURNS INTEGER
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_id INTEGER;
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT min(word_id) FROM word
+ WHERE word_token = lookup_token and class is null and type is null
+ INTO return_word_id;
+ RETURN return_word_id;
+END;
+$$
+LANGUAGE plpgsql STABLE;
+
+
+CREATE OR REPLACE FUNCTION get_name_ids(lookup_word TEXT)
+ RETURNS INTEGER[]
+ AS $$
+DECLARE
+ lookup_token TEXT;
+ return_word_ids INTEGER[];
+BEGIN
+ lookup_token := ' '||trim(lookup_word);
+ SELECT array_agg(word_id) FROM word
+ WHERE word_token = lookup_token and class is null and type is null
+ INTO return_word_ids;
+ RETURN return_word_ids;
+END;
+$$
+LANGUAGE plpgsql STABLE;
+
+
+CREATE OR REPLACE FUNCTION create_country(src HSTORE, country_code varchar(2))
+ RETURNS VOID
+ AS $$
+DECLARE
+ s TEXT;
+ w INTEGER;
+ words TEXT[];
+ item RECORD;
+ j INTEGER;
+BEGIN
+ FOR item IN SELECT (each(src)).* LOOP
+
+ s := make_standard_name(item.value);
+ w := getorcreate_country(s, country_code);
+
+ words := regexp_split_to_array(item.value, E'[,;()]');
+ IF array_upper(words, 1) != 1 THEN
+ FOR j IN 1..array_upper(words, 1) LOOP
+ s := make_standard_name(words[j]);
+ IF s != '' THEN
+ w := getorcreate_country(s, country_code);
+ END IF;
+ END LOOP;
+ END IF;
+ END LOOP;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION make_keywords(src HSTORE)
+ RETURNS INTEGER[]
+ AS $$
+DECLARE
+ result INTEGER[];
+ s TEXT;
+ w INTEGER;
+ words TEXT[];
+ item RECORD;
+ j INTEGER;
+BEGIN
+ result := '{}'::INTEGER[];
+
+ FOR item IN SELECT (each(src)).* LOOP
+
+ s := make_standard_name(item.value);
+ w := getorcreate_name_id(s, item.value);
+
+ IF not(ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+
+ w := getorcreate_word_id(s);
+
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+
+ words := string_to_array(s, ' ');
+ IF array_upper(words, 1) IS NOT NULL THEN
+ FOR j IN 1..array_upper(words, 1) LOOP
+ IF (words[j] != '') THEN
+ w = getorcreate_word_id(words[j]);
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END LOOP;
+ END IF;
+
+ words := regexp_split_to_array(item.value, E'[,;()]');
+ IF array_upper(words, 1) != 1 THEN
+ FOR j IN 1..array_upper(words, 1) LOOP
+ s := make_standard_name(words[j]);
+ IF s != '' THEN
+ w := getorcreate_word_id(s);
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END LOOP;
+ END IF;
+
+ s := regexp_replace(item.value, '市$', '');
+ IF s != item.value THEN
+ s := make_standard_name(s);
+ IF s != '' THEN
+ w := getorcreate_name_id(s, item.value);
+ IF NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END IF;
+
+ END LOOP;
+
+ RETURN result;
+END;
+$$
+LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION make_keywords(src TEXT)
+ RETURNS INTEGER[]
+ AS $$
+DECLARE
+ result INTEGER[];
+ s TEXT;
+ w INTEGER;
+ words TEXT[];
+ i INTEGER;
+ j INTEGER;
+BEGIN
+ result := '{}'::INTEGER[];
+
+ s := make_standard_name(src);
+ w := getorcreate_name_id(s, src);
+
+ IF NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+
+ w := getorcreate_word_id(s);
+
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+
+ words := string_to_array(s, ' ');
+ IF array_upper(words, 1) IS NOT NULL THEN
+ FOR j IN 1..array_upper(words, 1) LOOP
+ IF (words[j] != '') THEN
+ w = getorcreate_word_id(words[j]);
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END LOOP;
+ END IF;
+
+ words := regexp_split_to_array(src, E'[,;()]');
+ IF array_upper(words, 1) != 1 THEN
+ FOR j IN 1..array_upper(words, 1) LOOP
+ s := make_standard_name(words[j]);
+ IF s != '' THEN
+ w := getorcreate_word_id(s);
+ IF w IS NOT NULL AND NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END LOOP;
+ END IF;
+
+ s := regexp_replace(src, '市$', '');
+ IF s != src THEN
+ s := make_standard_name(s);
+ IF s != '' THEN
+ w := getorcreate_name_id(s, src);
+ IF NOT (ARRAY[w] <@ result) THEN
+ result := result || w;
+ END IF;
+ END IF;
+ END IF;
+
+ RETURN result;
+END;
+$$
+LANGUAGE plpgsql;