Its sign evaluation is far simpler than the complete tree method.
它的符号计算比完全树法的简单得多。
In the same place if ESQL is used with a better logic, then the processing cost would be drastically different with more benefits as complete message tree parsing is not needed.
同时,如果 ESQL 与更好的逻辑一起使用,则处理成本将大幅度减少,因为不需要解析完整的消息树,所得到的好处更多。
DOM, for example, parses the whole document and constructs a complete document tree in memory before it returns control to the client.
比如,DOM需要解析全部文档并在内存中构造完整的文档树,然后才把控制交给客户。
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