CREATE EXTENSION IF NOT EXISTS "uuid-ossp"; CREATE TYPE fang_task_state AS ENUM ('new', 'in_progress', 'failed', 'finished'); CREATE TABLE fang_tasks ( id uuid PRIMARY KEY DEFAULT uuid_generate_v4(), metadata jsonb NOT NULL, error_message TEXT, state fang_task_state default 'new' NOT NULL, created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(), updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW() ); CREATE INDEX fang_tasks_created_at_index ON fang_tasks(created_at);