SELECT
'DROP TABLE IF EXISTS fc.'||func||'; CREATE TABLE IF NOT EXISTS fc.'||func||' (' ||
string_agg(format('%I',cname) || ' ' || dtype,', ' ORDER BY opos ASC) ||
', PRIMARY KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||'));' AS ddl,
---need to add a clause to exclude where the key is null
'INSERT INTO fc.'||func||' SELECT DISTINCT ' || string_agg(format('%I',cname),', ' ORDER BY opos ASC) || ' FROM rlarp.osm_dev WHERE '||string_agg(format('%I',cname)||' IS NOT NULL ',' AND ') FILTER (WHERE fkey = func)||' ON CONFLICT DO NOTHING' AS pop
FROM
fc.target_meta
GROUP BY
func
HAVING
string_agg(cname,', ') FILTER (WHERE fkey = func) <> ''