fetch-fetch forwarding 取 ; 取转送
Like its name suggests, this fetch action makes an HTTP request to fetch the configured source URL.
顾名思义,此获取操作发出HTTP请求以获取已配置的源url。
Because there are no additional predicates to be applied by the fetch operation, the output cardinality of the fetch node is also eight.
因为这里没有通过提取操作应用附加的谓词,所以提取节点的输出基数也是8个。
A find or query operation can be decorated to apply a fetch plan to customize the set of entities to fetch from the database.
查找或查询操作还可以通过修饰后应用一个查询计划来自定义从数据库查询得到的实体集。
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