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# frozen_string_literal: true
class DropVulnerabilityConfidenceIndex < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
DOWNTIME = false
INDEX_NAME = 'index_vulnerability_on_id_and_confidence_eq_zero'
def up
Gitlab::BackgroundMigration.steal('RemoveUndefinedVulnerabilityConfidenceLevel')
remove_concurrent_index_by_name :vulnerabilities, INDEX_NAME
end
def down
add_concurrent_index(:vulnerabilities, :id, where: 'confidence = 0', name: INDEX_NAME)
end
end
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