In the final step, the user-defined function (UDF) itself is evaluated to filter out all false positive candidates, in other words, remove all non-equal strings.
在最后一步,对用户定义函数(UDF)本身求值,以过滤掉所有误判的候选者,即去掉所有不相等的字符串。
Therefore, before using a non-volatile register in a function, its value must be saved in the function's stack frame, and then restored before the function returns.
因此,在函数中使用非易失性寄存器之前,它的值必须保存到该函数的堆栈帧中,然后在函数返回之前恢复。
Caveat: The function only accepts Unicode strings, and will return an error if non-Unicode strings are passed in.
注意:函数只接受Unicode编码的字符串。当传进非unicode字符串时它会返回一个错误。
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