从MYSQL提取日期之间的数据到熊猫

Question

**When i am running below query**

from sqlalchemy import create_engine
import pymysql
import pandas as pd
import datetime
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

**I am receiving below Error**

  File "", line 7
    df = pd.read_sql('SELECT * FROM employees where BirthDate between '1948-12-8' and '1960-5-29'', con=db_connection)
                                                                          ^
SyntaxError: invalid syntax

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Answer 1

使用双引号将sql语句括起来，因为您在日期中使用了单引号：

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