Hello, after the file import with XLSX I have very strange columns behaviour - length of the actual data is equal to the length of the column, for example I try to create new integer column from string and get the following note: NOTE: Invalid numeric data, '22247...' and new column is empty after that. I concatenated '!!!' to all values and got the following result - '22247 !!!' - can't compress it either. Have somebody seen such a thing?
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