The name of a face is consisted of an operator ID, an inner ID and an array of references of its neighbor faces.
每一个面都使用了一个生成面的操作ID,一个操作内部分配的ID和一个邻接面表进行命名。
Go to this specific operator ID in the detailed operator section of the access plan, and isolate the predicates applied at the operator (in this case, IXSCAN). For example.
在访问计划的详细操作部分找到这个操作id,并隔离应用于该操作(即ixscan)的断言。
For each row ID, the FETCH operator reads the corresponding row from the table.
对于每一个行id, fetch操作符将读取表中相应的行。
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