[英]sqlite3 “OperationalError: near ”(“: syntax error” python
simply put i am trying to make a sql database table and input data into it. 简单地说我正在尝试制作一个sql数据库表并将数据输入其中。 I have it working in a simpler way, but when I put it into my script it results in this error.
我让它以更简单的方式工作,但是当我将它放入我的脚本时会导致此错误。 I'm hoping its something simple I missed.
我希望我错过了一些简单的东西。 Any help/advice would be greatly appreciated.
任何帮助/建议将不胜感激。
conn = sqlite3.connect('Data1.db')
c = conn.cursor()
# Create table
c.execute('''CREATE TABLE Data_Output6
(date text, output6MV real)''')
Averages_norm = []
for i, x in enumerate(Averages):
Averages_norm.append(x*output_factor)
c.execute("INSERT INTO Data_Output6 VALUES (%r,%r)" %(xdates[i],Averages_norm[-1]))
conn.commit()
results in the error: 导致错误:
57 for i, x in enumerate(Averages):
58 Averages_norm.append(x*output_factor)
---> 59 c.execute("INSERT INTO Data_Output6 VALUES (%r,%r)"%(xdates[i],Averages_norm[-1]))
60 conn.commit()
61
OperationalError: near "(": syntax error OperationalError:接近“(”:语法错误
Simply put, let the DB API do that formatting: 简单地说,让DB API进行格式化:
c.execute("INSERT INTO Data_Output6 VALUES (?, ?)", (xdates[i], Averages_norm[-1]))
And refer to the documentation https://docs.python.org/2/library/sqlite3.html where is mentioned: 请参阅文档https://docs.python.org/2/library/sqlite3.html ,其中提到:
Instead, use the DB-API's parameter substitution.
而是使用DB-API的参数替换。
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