chatdesk-ui/storage_v1.19.1/migrations/tenant/0020-list-objects-with-deli...

43 lines
1.8 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION storage.list_objects_with_delimiter(bucket_id text, prefix_param text, delimiter_param text, max_keys integer default 100, start_after text DEFAULT '', next_token text DEFAULT '')
RETURNS TABLE (name text, id uuid, metadata jsonb, updated_at timestamptz) AS
$$
BEGIN
RETURN QUERY EXECUTE
'SELECT DISTINCT ON(name COLLATE "C") * from (
SELECT
CASE
WHEN position($2 IN substring(name from length($1) + 1)) > 0 THEN
substring(name from 1 for length($1) + position($2 IN substring(name from length($1) + 1)))
ELSE
name
END AS name, id, metadata, updated_at
FROM
storage.objects
WHERE
bucket_id = $5 AND
name ILIKE $1 || ''%'' AND
CASE
WHEN $6 != '''' THEN
name COLLATE "C" > $6
ELSE true END
AND CASE
WHEN $4 != '''' THEN
CASE
WHEN position($2 IN substring(name from length($1) + 1)) > 0 THEN
substring(name from 1 for length($1) + position($2 IN substring(name from length($1) + 1))) COLLATE "C" > $4
ELSE
name COLLATE "C" > $4
END
ELSE
true
END
ORDER BY
name COLLATE "C" ASC) as e order by name COLLATE "C" LIMIT $3'
USING prefix_param, delimiter_param, max_keys, next_token, bucket_id, start_after;
END;
$$ LANGUAGE plpgsql;
CREATE INDEX IF NOT EXISTS idx_objects_bucket_id_name
ON storage.objects (bucket_id, (name COLLATE "C"));