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# frozen_string_literal: true
class DropFindingFingerprintTable < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
FINGERPRINT_IDX = :idx_vuln_fingerprints_on_occurrences_id_and_fingerprint_sha256
UNIQ_IDX = :idx_vuln_fingerprints_uniqueness_fingerprint_sha256
def up
with_lock_retries do
drop_table :vulnerability_finding_fingerprints
end
end
def down
with_lock_retries do
create_table :vulnerability_finding_fingerprints 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 :fingerprint_sha256, null: false
t.index %i[finding_id fingerprint_sha256],
name: FINGERPRINT_IDX,
unique: true # only one link should exist between occurrence and the fingerprint
t.index %i[finding_id algorithm_type fingerprint_sha256],
name: UNIQ_IDX,
unique: true # these should be unique
end
end
end
end
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