Python:DataError-字符串或二进制数据将被截断
我正在尝试将值插入到新创建的表中。我得到以下错误:Python:DataError-字符串或二进制数据将被截断,python,sql-server,python-3.x,pyodbc,Python,Sql Server,Python 3.x,Pyodbc,我正在尝试将值插入到新创建的表中。我得到以下错误: row['Retailer']) DataError: ('22001', '[22001] [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]String or binary data would be truncated. (8152) (SQLExecDirectW); [22001] [Microsoft][ODBC Driver 17 for SQL Server][SQL
row['Retailer'])
DataError: ('22001', '[22001] [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]String or binary data would be truncated. (8152) (SQLExecDirectW); [22001] [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]The statement has been terminated. (3621)')
我发现有类似问题的示例,似乎问题涉及插入字符串值,这些字符串值的字符数超过了列所能容纳的字符数
然而,我试图通过增加列的大小来解决这个问题,但仍然出现错误
from datetime import date
import pandas as pd
import pyodbc
import numpy as np
"""
for driver in pyodbc.drivers():
print(driver)
"""
#define the server name, database and login credentials
server = '#########'
database ='#########'
username='########'
password='#######'
#define connection string
cnxn = pyodbc.connect('DRIVER={ODBC Driver 17 for SQL Server}; \
SERVER=' + server +';\
DATABASE='+ database +';\
UID='+ username +';\
PWD='+ password +';')
cnxn.autocommit = True
cursor = cnxn.cursor()
cursor.execute(" IF OBJECT_ID('dbo.vintage_data_2') IS NOT NULL\
DROP TABLE dbo.vintage_data_2; \
CREATE TABLE ABC.[dbo].vintage_data_2 \
([ConsumerID] float,[SubscriberID] numeric(11,0), \
[OpeningBalanceAmt] numeric(19,4),[AccountOpenedDate] varchar,\
[RetroDate] varchar,[Retailer] varchar(30))")
cnxn.commit()
for index,row in df.iterrows():
cursor.execute("INSERT INTO ABC.[dbo].vintage_data_2([ConsumerID],\
[SubscriberID],[OpeningBalanceAmt],[AccountOpenedDate],[RetroDate],\
,[Retailer]) \
values (?,?,?,?,?,?)",
row['CONSUMERID'],
row['SubscriberID'],
row['OpeningBalanceAmt'],
row['AccountOpenedDate'],
row['RetroDate'],
row['Retailer'])
cnxn.commit()
“零售商”列中的数据如下所示:
print(df['Retailer'])
0 Retailer 4
1 Retailer 6
2 Retailer 3
3 Retailer 6
4 Retailer 2
5 Retailer 6
6 Retailer 2
7 Retailer 5
8 Homechoice
在CREATE TABLE、DECLARE等中使用非限定的
varchar
关键字时要小心<在SQL Server中,code>varchar通常(总是?)被解释为varchar(1)
。您确定要截断的是[Retailer]列吗?您已经将另外两列声明为varchar
,而在SQL Server中,一个非限定的varchar
被解释为varchar(1)
。谢谢。我在SQL Server中进行了检查。现在一切正常