15 lines
713 B
SQL
15 lines
713 B
SQL
-- 021_job_post_requisition.sql
|
|
-- Optional link from a job post to the Annexure A employee requisition it
|
|
-- was opened from (app.requisitions). Distinct from requisition_status, which
|
|
-- is the hiring lifecycle on job_posts. Applied at startup by
|
|
-- alembic_setup.run_manual_sql(). Needed because prod boots with
|
|
-- DB_AUTOGENERATE=false.
|
|
|
|
ALTER TABLE app.job_posts
|
|
ADD COLUMN IF NOT EXISTS requisition_id UUID REFERENCES app.requisitions(id) ON DELETE SET NULL;
|
|
|
|
-- Unique so one requisition maps to at most one job post. Postgres unique
|
|
-- indexes allow multiple NULLs, so unlinked job posts stay valid.
|
|
CREATE UNIQUE INDEX IF NOT EXISTS uq_job_posts_requisition_id
|
|
ON app.job_posts (requisition_id);
|