32 lines
921 B
Go
32 lines
921 B
Go
package postgres
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import (
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"context"
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"fmt"
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"time"
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)
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// DeleteExpiredLoginCodeDeliveries seek-deletes compact idempotency receipts
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// whose corresponding opaque codes are no longer usable. Message/update facts
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// are deliberately retained; only the replay receipt is ephemeral.
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func (s *MessageStore) DeleteExpiredLoginCodeDeliveries(ctx context.Context, expiredBefore time.Time, limit int) (int, error) {
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if limit <= 0 {
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return 0, nil
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}
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tag, err := s.db.Exec(ctx, `
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WITH doomed AS (
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SELECT delivery_key
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FROM login_code_message_deliveries
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WHERE expires_at <= $1
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ORDER BY expires_at, delivery_key
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LIMIT $2
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FOR UPDATE SKIP LOCKED
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)
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DELETE FROM login_code_message_deliveries AS d
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USING doomed
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WHERE d.delivery_key = doomed.delivery_key`, expiredBefore.UTC(), limit)
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if err != nil {
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return 0, fmt.Errorf("delete expired login code delivery receipts: %w", err)
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}
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return int(tag.RowsAffected()), nil
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}
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