-- segments get moved to vods
DROP TABLE api.segments_stream_links CASCADE;


-- segments to vod, many-to-one
CREATE TABLE api.segments_vod_links (
  id int PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
  vod_id text NOT NULL,
  segment_id text NOT NULL
);


-- roles & permissions
GRANT all ON api.segments_vod_links TO automation;
GRANT SELECT ON api.segments_vod_links TO web_anon;


-- establish many-to-one relationship by adding a foreign key to segments
ALTER TABLE api.segments
  ADD COLUMN vod_id TEXT;

ALTER TABLE api.segments
  ADD CONSTRAINT vod_id_not_null
  CHECK (vod_id IS NOT NULL) NOT VALID;