2020-09-21 18:18:52 +08:00
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/* Using a single database query, find all the leads in
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the database that have the same email address as any
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of the leads being inserted or updated. */
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for (Lead lead : [SELECT Email FROM Lead WHERE Email IN :leadMap.KeySet()]) {
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Lead newLead = leadMap.get(lead.Email);
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newLead.Email.addError('A lead with this email address already exists.');
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}
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