8 lines
535 B
SQL
8 lines
535 B
SQL
-- A relay retry uses the original MTP request ID. Make allocation idempotent
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-- for that authenticated Iota/request pair, so a lost response returns the
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-- same user ID and lease rather than allocating another one.
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ALTER TABLE registration_leases
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-- Existing leases predate retry correlation; leave their request ID NULL
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-- rather than assigning a shared sentinel that could violate uniqueness.
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ADD COLUMN request_id INT UNSIGNED NULL,
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ADD CONSTRAINT uk_registration_leases_iota_request UNIQUE (iota_id, request_id);
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