同样，当值类型作为参数传递给函数时，函数将创建自己的对象副本，除非函数使用。

Similarly, when a value type is passed as an argument to a function, the function will create its own copy of the object, unless the function USES the.

youdao

Walrus 不提供对象的写锁定；但是由于它与 S3 一样，因此要保证如果对同一个对象并发写入，保存的是一致的对象副本。

Walrus does not provide locking for object writes; however, as is the case with S3, you are guaranteed that a consistent copy of the object is saved if there are concurrent writes to the same object.

youdao

' COPY '：创建源模式中所有对象的空副本，然后用数据填充每个目标模式表。

'COPY' : Create empty copies of all objects from the source schema, then load each target schema table with data.

youdao