funman300
15 lines
756 B
SQL
15 lines
756 B
SQL
-- Durable replay and non-repeatable-completion guards for atomic SBC submissions.
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-- Existing successful rows are treated as non-repeatable; if historical data already
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-- violates that invariant the migration fails rather than silently discarding history.
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ALTER TABLE sbc_submissions ADD COLUMN repeatable INTEGER NOT NULL DEFAULT 0;
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CREATE UNIQUE INDEX idx_sbc_nonrepeatable_completion
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ON sbc_submissions(profile_id, sbc_id)
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WHERE passed = 1 AND repeatable = 0;
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-- submitted_card_ids is stored in canonical sorted order by the writer. This rejects
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-- stale retries of the same card set even for explicitly repeatable challenges.
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CREATE UNIQUE INDEX idx_sbc_submission_replay
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ON sbc_submissions(profile_id, sbc_id, submitted_card_ids)
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WHERE passed = 1;
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