今天在使用sqlalchemy时插入数据报错,将字符编码设置来设置取都没用,到最后发现sqlalchemy在创建数据库时没有设置编码。网上大多数教程都是教让在create_engine("mysql+pymysql://root:xxponly@localhost/test", encoding='utf-8', echo=True)
时修改字符编码,然而并没有什么卵用。
当我我打开sqlalchemy的调试模式,发现在创建数据表时是这个样子的。
CREATE TABLE team_name (
code INTEGER NOT NULL AUTO_INCREMENT,
name VARCHAR(50),
PRIMARY KEY (code)
)
当插入中文时是这个样子的
(1366, "Incorrect string value: '\\xE4\\xBD\\xA0\\xE5\\xA5\\xBD' for column 'name' at row 1")
然后解决办法是将sqlalchemy的创建语句复制到mysql shell,最后制定为utf-8字符
mysql> CREATE TABLE team_name (
-> code INTEGER NOT NULL AUTO_INCREMENT,
-> name VARCHAR(50),
-> PRIMARY KEY (code)
-> )CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
Query OK, 0 rows affected (0.05 sec)
当再次插入是就没有报错了
2018-08-13 17:58:27,501 INFO sqlalchemy.engine.base.Engine BEGIN (implicit)
2018-08-13 17:58:27,502 INFO sqlalchemy.engine.base.Engine INSERT INTO team_name (code, name) VALUES (%(code)s, %(name)s)
2018-08-13 17:58:27,502 INFO sqlalchemy.engine.base.Engine {'code': 25, 'name': '你好'}
2018-08-13 17:58:27,503 INFO sqlalchemy.engine.base.Engine COMMIT
Process finished with exit code 0