Now you can relate the extracted concepts with the key ID, because this column is also contained in the operatoroutput.
现在您可以将提取的概念与键 ID 关联起来,因为该列也被包含在操作符输出中。
2
Now you are able to relate the extracted concepts with the COUNTRY key, because this column is also contained in the operatoroutput.
现在,可以把提取的概念与COUNTRY键关联起来,因为操作器输出中也包含这个列。
3
The purpose of this example is to show that when dealing with partitioned tables, you need to account for the number of partitions from the operatoroutput stream.