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Python Flask inserts a record into the MySQL table, prompting unknown column ' XXX ' in ' field list

Source: Internet
Author: User
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sql = ' INSERT into ' blog '. ' User ' (' id ', ' username ') values (%d,%s) '% (1,username) I am prompted after assigning aaabbb to username: "Unknown column" Aaaabbb ' in ' field list ' has found a half-day problem with%s without double quotes. Change to the following sql = ' INSERT into ' blog '. ' User ' (' id ', ' username ') VALUES (%d, '%s ') '% (1,username) Success%s, be sure to add double quotes

Python Flask inserts a record into the MySQL table, prompting unknown column ' XXX ' in ' field list

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