Python的readlines例程用于将一个文件的所有行读取到一列字符串中。

Python's readlines routine is used to read all lines in a file into a list of strings.

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因此，如果涉及非ascii字符，那么列中可以存储的最大字符数可能会减少。

Therefore, the maximum number of characters that can be stored in the column might be reduced if non-ASCII characters are involved.

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通常 RFC_READ_TABLE 返回一个表，包含所有希望提取的列（作为字符串给出）。

Normally, RFC_READ_TABLE returns a table with all the columns that you want to fetch printed to a string.

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