Fix email verification MongoDB index #4482
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The original index, "emails.validationTokens.token" is incorrect; it is never used in meteor. A search of "validationTokens" across all the packages in
meteor/packages
returns nothing.The correct index should be, "services.email.verificationTokens.token". This is set in the
Accounts.sendVerificationEmail
function and queried in theverifyEmail
method to locate the appropriate user record.Without a matching index, a full table scan is run each time the
verifyEmail
method is called.