user-defined operator and built-in 用户定义运算符和内部运算符
An operation can be a relational operator, a system - or user-defined function, or an SQL operator, such as GROUP BY, ORDER BY, and so on.
操作可以是一个关系运算符,或者系统或用户定义的函数,也可以是一个sql操作符,例如GROUP BY、ORDER BY等。
Using the text analyzer operator and an Apache UIMA compatible annotator, you will see how to create and integrate a user-defined text analysis task into the data transformation flows.
通过使用文本分析器操作符和一个Apache uima兼容的注释器,您将了解如何创建一个用户定义的文本分析任务并将其集成到数据转换流中。
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