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hold_in_flight

headless_lms_credit_registration::use_cases::resolve_enrolments

Function hold_in_flight 

Source 
async fn hold_in_flight<'a>(
    conn: &mut PgConnection,
    claims: impl IntoIterator<Item = &'a ClaimedRegistration>,
) -> CreditRegistrationResult<()>
Expand description

Keeps the claimed rows from being claimed again, or imported, while their lookups are out. In the claim’s transaction, whose lock makes each move’s guard a confirmation of the state it read.