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# frozen_string_literal: true
class AddUniqueIndexToVulnerabilityFindingLinksWithTruncate < Gitlab::Database::Migration[1.0]
disable_ddl_transaction!
NAME_URL_INDEX_NAME = 'finding_link_name_url_idx'
URL_INDEX_NAME = 'finding_link_url_idx'
def up
execute('TRUNCATE TABLE vulnerability_finding_links')
add_concurrent_index :vulnerability_finding_links, [:vulnerability_occurrence_id, :name, :url], unique: true, name: NAME_URL_INDEX_NAME
add_concurrent_index :vulnerability_finding_links, [:vulnerability_occurrence_id, :url], unique: true, where: 'name is null', name: URL_INDEX_NAME
end
def down
remove_concurrent_index :vulnerability_finding_links, [:vulnerability_occurrence_id, :name, :url], name: NAME_URL_INDEX_NAME
remove_concurrent_index :vulnerability_finding_links, [:vulnerability_occurrence_id, :url], name: URL_INDEX_NAME
end
end
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