11 lines
548 B
SQL
11 lines
548 B
SQL
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-- BTREE index on (task_status, created_at DESC) for one_pending_task query:
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-- SELECT ... FROM dbtask WHERE task_status = 'PENDING' ORDER BY created_at DESC LIMIT 1
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-- Also benefits all_tasks_page and zombie detection filtered by status.
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CREATE INDEX IF NOT EXISTS idx_dbtask_status_created
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ON dbtask (task_status, created_at DESC);
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-- BTREE index on updated_at for zombie detection:
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-- SELECT ... FROM dbtask WHERE updated_at < cutoff AND task_status IN (...)
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CREATE INDEX IF NOT EXISTS idx_dbtask_updated_at
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ON dbtask (updated_at);
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