sort the columns normally except push the primary key(s) into the first positiong

This commit is contained in:
Paul Trowbridge 2020-11-05 22:30:28 -05:00
parent 55dcb65a17
commit 0452bde160

View File

@ -10,11 +10,11 @@ BEGIN
SELECT
-------------------------------------------create table---------------------------------------------------------------------------------------------------------
'DROP TABLE IF EXISTS fc.'||func||' CASCADE; CREATE TABLE IF NOT EXISTS fc.'||func||' (' ||
string_agg(format('%I',cname) || ' ' || dtype,', ' ORDER BY opos ASC) ||
string_agg(format('%I',cname) || ' ' || dtype,', ' ORDER BY CASE WHEN fkey IS NOT NULL THEN 0 ELSE opos END ASC) ||
', PRIMARY KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||'));' AS ddl,
-------------------------------------------populate table-------------------------------------------------------------------------------------------------------
---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 '||tname||' WHERE '||
'INSERT INTO fc.'||func||' SELECT DISTINCT ' || string_agg(format('%I',cname),', ' ORDER BY CASE WHEN fkey IS NOT NULL THEN 0 ELSE opos END ASC) || ' FROM '||tname||' WHERE '||
string_agg(format('%I',cname)||' IS NOT NULL ',' AND ') FILTER (WHERE fkey = func)||' ON CONFLICT DO NOTHING' AS pop,
-------------------------------------------setup foreign keys---------------------------------------------------------------------------------------------------
'ALTER TABLE fc.live ADD CONSTRAINT fk_'||func||' FOREIGN KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||') REFERENCES fc.'||func||' ('||