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modify sql functions

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AustrianToast
2024-11-11 20:20:49 +01:00
parent e5a7906cdf
commit 9af2a9408c
12 changed files with 159 additions and 59 deletions
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12
sql/convert_artist_name.sql
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@ -1,8 +1,10 @@
CREATE OR REPLACE FUNCTION convert_artist_name(artist_name text) RETURNS text AS $$
CREATE OR REPLACE FUNCTION public.convert_artist_name(artist_name text) RETURNS text
LANGUAGE plpgsql IMMUTABLE STRICT
AS $$
BEGIN
artist_name = trim(artist_name);
-- partially deal with url encoding
-- only partially deal with url encoding
artist_name = regexp_replace(artist_name, '%(20|21|22|23|24|26|27|28|29|2A|2C|2E|2F|3B|3C|3E|3F|5B|5C|5D|5E|60|7B|7C|7D|7E)|artist', '', 'g');
artist_name = regexp_replace(artist_name, '%25', '%', 'g');
artist_name = regexp_replace(artist_name, '%2B', '+', 'g');
@ -16,14 +18,12 @@ BEGIN
-- check if any other url encoding still exists
IF regexp_count(artist_name, '%[0-9A-Fa-f]{2}') <> 0 THEN
RAISE EXCEPTION 'Artist % contains unconvertable percent-encoded Unicode', artist_name;
RETURN NULL;
END IF;
artist_name = rtrim(artist_name, '-_');
-- lower has to be last, because it can and will fuck everything else up
artist_name = lower(artist_name);
RETURN artist_name;
END;
$$ LANGUAGE plpgsql;
$$;