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- /* Using a single database query, find all the leads in
- the database that have the same email address as any
- of the leads being inserted or updated. */
- for (Lead lead : [SELECT Email FROM Lead WHERE Email IN :leadMap.KeySet()]) {
- Lead newLead = leadMap.get(lead.Email);
- newLead.Email.addError('A lead with this email address already exists.');
- }
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