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# frozen_string_literal: true
class AddFindingSignatureTable < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
SIGNATURE_IDX = :idx_vuln_signatures_on_occurrences_id_and_signature_sha
UNIQ_IDX = :idx_vuln_signatures_uniqueness_signature_sha
def up
with_lock_retries do
create_table :vulnerability_finding_signatures do |t|
t.references :finding,
index: true,
null: false,
foreign_key: { to_table: :vulnerability_occurrences, column: :finding_id, on_delete: :cascade }
t.timestamps_with_timezone null: false
t.integer :algorithm_type, null: false, limit: 2
t.binary :signature_sha, null: false
t.index %i[finding_id signature_sha],
name: SIGNATURE_IDX,
unique: true # only one link should exist between occurrence and the signature
t.index %i[finding_id algorithm_type signature_sha],
name: UNIQ_IDX,
unique: true # these should be unique
end
end
end
def down
with_lock_retries do
drop_table :vulnerability_finding_signatures
end
end
end
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