join public.prepackaged_dataset_definitions definition on definition.slug = package.slug where dataset_version.definition_id = definition.id and dataset_version.version = package.package_version; ...
CREATE UNIQUE INDEX v2_metadata_pkey ON public.v2_metadata USING btree (dataset_id); alter table "public"."v2_metadata" add constraint "v2_metadata_pkey" PRIMARY KEY using index "v2_metadata_pkey"; ...