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# frozen_string_literal: true
class UpdateBillableUsersIndex < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
NEW_INDEX = 'index_users_for_billable_users'
OLD_INDEX = 'index_users_for_active_billable'
OLD_INDEX_CONDITION = <<~QUERY
((state)::text = 'active'::text) AND ((user_type IS NULL)
OR (user_type = ANY (ARRAY[NULL::integer, 6, 4]))) AND ((user_type IS NULL)
OR (user_type <> ALL ('{1,2,3,4,5,6,7,8,9,11}'::smallint[])))
QUERY
NEW_INDEX_CONDITION = <<~QUERY
state = 'active' AND (user_type IS NULL OR user_type IN (6, 4)) AND (user_type IS NULL OR user_type IN (4, 5))
QUERY
def up
add_concurrent_index(:users, :id, where: NEW_INDEX_CONDITION, name: NEW_INDEX)
remove_concurrent_index_by_name(:users, OLD_INDEX)
end
def down
add_concurrent_index(:users, :id, where: OLD_INDEX_CONDITION, name: OLD_INDEX)
remove_concurrent_index_by_name(:users, NEW_INDEX)
end
end
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