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# frozen_string_literal: true
class AddIdColumnToPackageMetadataJoinTable < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
COMPOSITE_UNIQUE_INDEX = :i_pm_package_version_licenses_join_ids
def up
if Gitlab::Database::PostgresPartitionedTable.where(name: 'pm_package_version_licenses').exists?
recreate_unpartitioned_tables
end
drop_constraint(:pm_package_version_licenses, :pm_package_version_licenses_pkey, cascade: true)
add_column(:pm_package_version_licenses, :id, :primary_key)
add_concurrent_index(:pm_package_version_licenses, [:pm_package_version_id, :pm_license_id], unique: true,
name: COMPOSITE_UNIQUE_INDEX)
end
def down
return if Gitlab::Database::PostgresPartitionedTable.where(name: 'pm_package_version_licenses').exists?
remove_column(:pm_package_version_licenses, :id)
add_primary_key_using_index(:pm_package_version_licenses, :pm_package_version_licenses_pkey, COMPOSITE_UNIQUE_INDEX)
remove_concurrent_index_by_name(:pm_package_version_licenses, COMPOSITE_UNIQUE_INDEX)
end
private
def recreate_unpartitioned_tables
drop_table(:pm_package_version_licenses, force: :cascade) # rubocop:disable Migration/DropTable
drop_table(:pm_package_versions, force: :cascade) # rubocop:disable Migration/DropTable
drop_table(:pm_packages, force: :cascade) # rubocop:disable Migration/DropTable
create_table :pm_packages do |t|
t.integer :purl_type, limit: 2, null: false
t.text :name, null: false, limit: 255
t.timestamps_with_timezone null: false
t.index [:purl_type, :name], name: 'i_pm_packages_purl_type_and_name', unique: true
end
create_table :pm_package_versions do |t|
t.references :pm_package,
index: false,
null: false,
foreign_key: {
to_table: :pm_packages,
column: :pm_package_id,
name: 'fk_rails_cf94c3e601',
on_delete: :cascade
}
t.text :version, null: false, limit: 255
t.timestamps_with_timezone null: false
t.index [:pm_package_id, :version], name: 'i_pm_package_versions_on_package_id_and_version', unique: true
t.index :pm_package_id, name: 'index_pm_package_versions_on_pm_package_id'
end
create_table :pm_package_version_licenses, primary_key: [:pm_package_version_id, :pm_license_id] do |t|
t.references :pm_package_version,
index: false,
null: false,
foreign_key: {
to_table: :pm_package_versions,
column: :pm_package_version_id,
name: 'fk_rails_30ddb7f837',
on_delete: :cascade
}
t.references :pm_license,
index: false,
null: false,
foreign_key: { name: 'fk_rails_7520ea026d', on_delete: :cascade }
t.timestamps_with_timezone null: false
t.index :pm_license_id, name: 'index_pm_package_version_licenses_on_pm_license_id'
t.index :pm_package_version_id, name: 'index_pm_package_version_licenses_on_pm_package_version_id'
end
end
end
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