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# frozen_string_literal: true
class AddIndexOnVulnerabilitiesStateCase < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_vulnerabilities_on_state_case_id'
STATE_ORDER_ARRAY_POSITION = 'ARRAY_POSITION(ARRAY[1, 4, 3, 2]::smallint[], state)'
disable_ddl_transaction!
def up
add_concurrent_index :vulnerabilities, "#{STATE_ORDER_ARRAY_POSITION}, id DESC", name: INDEX_NAME
add_concurrent_index :vulnerabilities, "#{STATE_ORDER_ARRAY_POSITION} DESC, id DESC", name: "#{INDEX_NAME}_desc"
end
def down
remove_concurrent_index_by_name :vulnerabilities, "#{INDEX_NAME}_desc"
remove_concurrent_index_by_name :vulnerabilities, INDEX_NAME
end
end
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