The only missing piece is the construction of the binary string to be returned by the function.

惟一缺少的部分就是函数所返回的二进制串的构造。

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Note that, depending on the data type of your grouping parameter, you might need a longer binary string.

注意，根据分组参数的数据类型不同，您可能需要使用更长的二进制串。

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The getAggregateResult UDF (set in italics) needs to decode the binary string and access the correct aggregation object.

getAggregateResult UDF（设置为 斜体）需要对二进制串解码，然后访问正确的聚集对象。

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Each address is a string of 32 binary digits, or bits, which allows for 4, 294, 967, 296 combinations.

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