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data order changed when insert data into sql server #1417

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ryjfgjl opened this issue Apr 3, 2025 · 0 comments
Open

data order changed when insert data into sql server #1417

ryjfgjl opened this issue Apr 3, 2025 · 0 comments

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@ryjfgjl
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ryjfgjl commented Apr 3, 2025

`
import pandas as pd
import pyodbc
file = r'C:\Users\ryjfgjl\Desktop\test.xlsx'

dataset = pd.read_excel(file, dtype=str, sheet_name='Sheet1', na_filter=False, header=4)
dataset.fillna(value='', inplace=True)
print(dataset['CARDNO'].values.tolist())
datalist = dataset.values.tolist()
odbc_conn_str = rf"DRIVER=ODBC Driver 18 for SQL Server;SERVER=localhost;"
rf"DATABASE=test;"
rf"UID=;PWD=;"
rf"Trusted_Connection=yes;Encrypt=no;LongAsMax=no;"
db_connection = pyodbc.connect(odbc_conn_str
, autocommit=True, charset='utf8')
cursor = db_connection.cursor()
cursor.execute('truncate table dbo.test')
s = '?,'*41
s = s[:-1]
for idx, row in enumerate(datalist):
row = row[:41]
cursor.execute(f'insert into dbo.test values({s})', row)
`
The data in excel read looks like:

Image

Image

The data in sql server after insert:

Image

The data order changed

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