从 MYSQL 中提取日期之间的数据到 pandas

Question

**当我在查询下方运行时** 从 sqlalchemy 导入 create_engine 导入 pymysql 将熊猫导入为 pd 导入日期时间 db_connection_str = 'mysql+pymysql://root:*****@localhost/northwind' db_connection = create_engine(db_connection_str) df = pd.read_sql('SELECT * FROM employees where BirthDate between '1948-12-08' and '1960-05-29'', con=db_connection) df **我收到以下错误** 文件“”，第 7 行 df = pd.read_sql('SELECT * FROM employees where BirthDate between '1948-12-8' and '1960-5-29'', con=db_connection) ^ SyntaxError：无效的语法 -------------------------------------------------- ------------------------------------------------

Answer 1

使用双引号将 sql 语句括起来，因为您在语句中使用单引号表示日期：

df = pd.read_sql("SELECT * FROM employees where BirthDate between '1948-12-08' and '1960-05-29'", con=db_connection)