执行标量
Figure 1 shows how to execute a scalar rule on columns that come from a single table from the analyzed data source.
图1展示了如何对来自所分析数据源的单个表中的列,执行标量规则。
You can execute scalar rules fairly efficiently, and adding additional scalar tests or functions in a rule won't significantly impact the execution time of the rule.
可非常高效地执行标量规则,并可在规则中增加附加标量测试或者函数,而不会显著影响规则的执行时间。
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