{
    "queue": {
        "column": {
            "id": true,
            "name": true
        },
        "constraint": {
            "PRIMARY": true,
            "QUEUE_NAME": true
        }
    },
    "queue_message": {
        "column": {
            "id": true,
            "topic_name": true,
            "body": true
        },
        "constraint": {
            "PRIMARY": true
        }
    },
    "queue_message_status": {
        "column": {
            "id": true,
            "queue_id": true,
            "message_id": true,
            "updated_at": true,
            "status": true,
            "number_of_trials": true
        },
        "index": {
            "QUEUE_MESSAGE_STATUS_STATUS_UPDATED_AT": true
        },
        "constraint": {
            "PRIMARY": true,
            "QUEUE_MESSAGE_STATUS_MESSAGE_ID_QUEUE_MESSAGE_ID": true,
            "QUEUE_MESSAGE_ID_QUEUE_MESSAGE_STATUS_MESSAGE_ID": true,
            "QUEUE_MESSAGE_STATUS_QUEUE_ID_QUEUE_ID": true,
            "QUEUE_ID_QUEUE_MESSAGE_STATUS_QUEUE_ID": true,
            "QUEUE_MESSAGE_STATUS_QUEUE_ID_MESSAGE_ID": true
        }
    }
}