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class EmailIsUnique < ActiveRecord::Migration
def self.up
execute "create unique index users_email_index on users (lower(email))"
# Don't need these any more, with new special url_name fields
execute 'drop index users_url_name_index'
execute 'drop index public_bodies_url_short_name_index'
execute 'drop index public_body_versions_url_short_name_index'
end
def self.down
execute "drop index users_email_index"
execute "create index public_bodies_url_short_name_index on public_bodies(regexp_replace(replace(lower(short_name), ' ', '-'), '[^a-z0-9_-]', '', 'g'))"
execute "create index public_body_versions_url_short_name_index on public_body_versions(regexp_replace(replace(lower(short_name), ' ', '-'), '[^a-z0-9_-]', '', 'g'))"
execute "create index users_url_name_index on users (regexp_replace(replace(lower(name), ' ', '-'), '[^a-z0-9_-]', '', 'g'))"
end
end
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