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penpot/backend/resources/migrations/0015-improve-tasks-tables.sql
2020-08-11 10:09:45 +02:00

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SQL

DROP TABLE task;
CREATE TABLE task (
id uuid DEFAULT uuid_generate_v4(),
created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
modified_at timestamptz NOT NULL DEFAULT clock_timestamp(),
completed_at timestamptz NULL DEFAULT NULL,
scheduled_at timestamptz NOT NULL,
priority smallint DEFAULT 100,
queue text NOT NULL,
name text NOT NULL,
props jsonb NOT NULL,
error text NULL DEFAULT NULL,
retry_num smallint NOT NULL DEFAULT 0,
max_retries smallint NOT NULL DEFAULT 3,
status text NOT NULL DEFAULT 'new',
PRIMARY KEY (id, status)
) PARTITION BY list(status);
CREATE TABLE task_completed partition OF task FOR VALUES IN ('completed', 'failed');
CREATE TABLE task_default partition OF task default;
CREATE INDEX task__scheduled_at__queue__idx
ON task (scheduled_at, queue)
WHERE status = 'new' or status = 'retry';