15 lines
496 B
SQL
15 lines
496 B
SQL
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ALTER TABLE generation_tasks
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ADD COLUMN lease_token VARCHAR(64),
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ADD COLUMN lease_owner VARCHAR(128),
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ADD COLUMN lease_expires_at TIMESTAMPTZ,
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ADD COLUMN attempt_count INT NOT NULL DEFAULT 0,
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ADD COLUMN last_heartbeat_at TIMESTAMPTZ;
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CREATE INDEX idx_generation_tasks_running_lease
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ON generation_tasks(lease_expires_at, id)
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WHERE status = 'running';
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CREATE INDEX idx_generation_tasks_queued_stale
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ON generation_tasks(updated_at, id)
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WHERE status = 'queued';
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