-- Historical work-order projection. Do not reapply after
-- 021_retire_workbench_work_orders.sql has retired this table.

BEGIN;

CREATE SCHEMA IF NOT EXISTS workbench;

CREATE TABLE IF NOT EXISTS workbench.work_orders (
    project_id uuid NOT NULL,
    work_order_id text NOT NULL CHECK (length(work_order_id) > 0),
    scheduled_at timestamptz NOT NULL,
    updated_at timestamptz NOT NULL,
    document jsonb NOT NULL,
    PRIMARY KEY (project_id, work_order_id),
    CHECK ((jsonb_typeof(document) = 'object'
        AND document->>'id' = work_order_id
        AND (document->>'scheduled_at')::timestamptz = scheduled_at
        AND (document->>'updated_at')::timestamptz = updated_at) IS TRUE)
);

CREATE INDEX IF NOT EXISTS work_orders_project_schedule_idx
    ON workbench.work_orders(project_id, scheduled_at, work_order_id);

CREATE INDEX IF NOT EXISTS work_orders_project_updated_idx
    ON workbench.work_orders(project_id, updated_at DESC, work_order_id);

REVOKE ALL ON workbench.work_orders FROM PUBLIC;

COMMIT;