我使用下面的脚本成功更新Access .mdb数据库中作为文本字段的字段。我正在尝试更新数字类型字段但是收到错误。
import csv, pypyodbc
conn=pypyodbc.connect('Driver={Microsoft Access Driver (*.mdb, *.accdb)};Dbq=c:/MDBTest/MyReducedMdb.mdb;')
cursor=conn.cursor()
LUT = {}
with open("C:\MDBTest\order.txt") as file:
for line in file:
(key, val) = line.split()
LUT [key] = val
print (LUT)
cursor.execute("select * from Components")
rows = cursor.fetchall()
for row in rows:
warehousecode=row[6].strip()
if warehousecode in LUT:
cursor.execute("""
UPDATE Components
SET Order=?
Where [Component Key]=?;""", (int(LUT[warehousecode]), str(row[0])))
cursor.commit()
当我运行代码时,我得到以下错误。
{'406-007': '2', '406-012': '4', '406-005': '1', '406-015': '5', '406-010': '3'}
Traceback (most recent call last):
File "D:\My Python\Scripts\IrricadDatabaseOrderUpdate.py", line 18, in <module>
Where [Component Key]=?;""", (int(LUT[warehousecode]), str(row[0])))
File "C:\Python34\lib\pypyodbc.py", line 1596, in execute
check_success(self, ret)
File "C:\Python34\lib\pypyodbc.py", line 986, in check_success
ctrl_err(SQL_HANDLE_STMT, ODBC_obj.stmt_h, ret, ODBC_obj.ansi)
File "C:\Python34\lib\pypyodbc.py", line 954, in ctrl_err
raise ProgrammingError(state,err_text)
pypyodbc.ProgrammingError: ('42000', '[42000] [Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement.')
>>>
请告诉我您认为问题的位置。感谢。
答案 0 :(得分:1)
您的问题是ORDER
是一个保留的SQL关键字。用引号括起来,以避免你的SQL驱动程序混淆。
"""
UPDATE Components
SET "Order"=?
Where [Component Key]=?;"""
让您的数据库设计人员使用SQL关键字作为列名。