CREATE TABLE `party_relation` (
`party_relation_id` VARCHAR PRIMARY KEY NOT NULL,
`party_id` text NOT NULL,
`related_party_id` text NOT NULL,
`relation_type_id` text NOT NULL,
`elaboration` text,
`created_at` TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
`created_by` text DEFAULT 'UNKNOWN',
`updated_at` TIMESTAMPTZ,
`updated_by` text,
`deleted_at` TIMESTAMPTZ,
`deleted_by` text,
`activity_log` text,
FOREIGN KEY (`party_id`) REFERENCES `party`(`party_id`) ON UPDATE no action ON DELETE no action,
FOREIGN KEY (`related_party_id`) REFERENCES `party`(`party_id`) ON UPDATE no action ON DELETE no action,
FOREIGN KEY (`relation_type_id`) REFERENCES `party_relation_type`(`party_relation_type_id`) ON UPDATE no action ON DELETE no action,
CONSTRAINT "elaboration_check_valid_json" CHECK(json_valid("party_relation"."elaboration") OR "party_relation"."elaboration" IS NULL)
)