logical statement predicate 逻辑陈述谓词
Using this predicate, the container will execute the SQL statement in the sample below.
使用这个谓词，容器将执行下面代码样本中的 SQL 语句。
Because every statement has a subject, predicate, and object, it is also referred to as a triple.
由于每个命题都有主语、谓词和宾语，也被称为三元组。
After pushing down the predicate, the statement looks similar to Figure 9.
下推谓词之后，语句看上去如图9所示。
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