Nominatim/sql/words_from_search_name.sql

12 lines
349 B
SQL

DROP TABLE IF EXISTS word_frequencies;
CREATE TABLE word_frequencies AS
SELECT unnest(name_vector) as id, count(*) FROM search_name GROUP BY id;
CREATE INDEX idx_word_frequencies ON word_frequencies(id);
UPDATE word SET search_name_count = count
FROM word_frequencies
WHERE word_token like ' %' and word_id = id;
DROP TABLE word_frequencies;