batch = {k: v.to(device) for k, v in batch.items()}
Implementation cost，这一点在新收录的资料中也有详细论述
，更多细节参见新收录的资料
By Joseph Trevithick
In the case where data needs to be deleted from ClickHouse e.g., for compliance or deduplication reasons, users can also utilize lightweight deletes instead of mutations. These take the form of a DELETE statement which accepts WHERE clause to filter rows. This marks rows as deleted only. These marks will be used to filter rows out at query time and will be removed when parts are merged.，推荐阅读新收录的资料获取更多信息
| FoldForestFrame