pivot_forecast/sql/build_master_tables.sql

28 lines
1.0 KiB
SQL

--if the data is already cleansed is it necessary to even have master data tables? -> yes for adding new scenarios
--it is possible some parts not longer exist in the item master becuase they have since been deleted, so it is not possible to cleanse the data
do
$$
DECLARE
f record;
_sql text;
BEGIN
FOR f IN
SELECT
'DROP TABLE IF EXISTS fc.'||func||'; CREATE TABLE IF NOT EXISTS fc.'||func||' (' ||
string_agg(cname || ' ' || dtype,', ' ORDER BY opos ASC) ||
', PRIMARY KEY ('||string_agg(cname,', ') FILTER (WHERE fkey = func)||'));' AS ddl,
---need to add a clause to exclude where the key is null
'INSERT INTO fc.'||func||' SELECT DISTINCT ' || string_agg(cname,', ' ORDER BY opos ASC) || ' FROM rlarp.osm_dev' AS populate
FROM
fc.target_meta
WHERE
func <> 'doc'
GROUP BY
func
loop
EXECUTE format('%s',f.ddl);
EXECUTE format('%s',f.populate);
END LOOP;
END;
$$