The transformation layer will apply an inference process (similar to forward-chaining) and check for each node in the plan tree to see which query transformations apply to that node.
转换层将应用一个推理过程(类似于前推链接法)，并检查规划树中的每个节点，看哪些查询转换适用于该节点。
The transformation layer will apply an inference process (similar to forward-chaining) and check for each node in the plan tree to see which query transformations apply to that node.
转换层将应用一个推理过程(类似于前推链接法)，并检查规划树中的每个节点，看哪些查询转换适用于该节点。
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