将SQL文本文件导入MySQL时，Unicode转换为UTF-8编码问题

Question

Here's the scenario:

I have a url in a MySQL database that contains Unicode. The database uses the Latin-1 encoding. Now, when I read the record from MySQL using Python, it gets converted to Unicode because all strings follow the Unicode format in Python.

I want to write the URL into a text file -- to do so, it needs to be converted to bytes (UTF-8). This was done successfully.

Now, given the URLS that are in the text file, I want to query the db for these SAME urls in the database. I do so by calling the source command to execute a few select queries.

Result: I get no matches.

I suspect that the problem stems from my conversion to UTF-8, which somehow is messing up the symbols.

Answer 1

You most probably need to set your mysql shell client to use utf8.

You can set it either in mysql shell directly by running set character set utf8 . Or by adding default-character-set=utf8 to your ~/.my.cnf .