root
e5d94f961e
Add a unique index on desktop_tasks.dedup_key for active publish kinds (queued/in_progress/succeeded/unknown) so duplicate publish submissions can be rejected at the DB layer, plus supporting indexes on publish_records and the desktop_tasks publish_record_id payload expression used by the new dedup lookup query. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
9 lines
481 B
SQL
9 lines
481 B
SQL
-- Keep succeeded publish tasks in the active dedup set intentionally: the
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-- product rule is "one article can be published to an account once"; repeat
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-- publishing should use a copied/new article or an explicit admin status reset.
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CREATE UNIQUE INDEX CONCURRENTLY IF NOT EXISTS uq_desktop_tasks_publish_dedup_active
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ON desktop_tasks (dedup_key)
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WHERE kind = 'publish'
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AND dedup_key IS NOT NULL
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AND status IN ('queued', 'in_progress', 'succeeded', 'unknown');
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