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# frozen_string_literal: true
module Gitlab
module BackgroundMigration
# Class to populate new rows of UserCanonicalEmail based on existing email addresses
class PopulateCanonicalEmails
def perform(start_id, stop_id)
ActiveRecord::Base.connection.execute <<~SQL
INSERT INTO
user_canonical_emails (
user_id,
canonical_email,
created_at,
updated_at
)
SELECT users.id AS user_id,
concat(translate(split_part(split_part(users.email, '@', 1), '+', 1), '.', ''), '@gmail.com') AS canonical_email,
NOW() AS created_at,
NOW() AS updated_at
FROM users
WHERE users.email ILIKE '%@gmail.com'
AND users.id BETWEEN #{start_id} AND #{stop_id}
ON CONFLICT DO NOTHING;
SQL
end
end
end
end
|
