2. Java
  3. python sqlalchemy报错"sqlalchemy.exc.IntegrityError: (pymysql.err.IntegrityError)"

python sqlalchemy报错"sqlalchemy.exc.IntegrityError: (pymysql.err.IntegrityError)"

xiaoxiao2025-08-01  27

1.查看表中的unique字段是否有相同的值，如果存在多个空值也会报错

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