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[英]How to get a SQL Server stored procedure returned rowset using pyodbc?
[英]How to get the value returned by a stored procedure called from python in SQL server 2008 R2
我需要檢查SQL Server 2008 R2上存儲過程的返回值。
import pyodbc
sql_str = """
DECLARE @return_value int
SET @return_value = -1
INSERT INTO [my_database].[dbo].[my_table]
EXEC @return_value = [my_database].[dbo].[my_stored_procedure]
if @return_value <> 0
BEGIN
EXEC sys.sp_addmessage 60000, 16, ' test sp returns wrong code ! '
RAISERROR (60000, 16, 1)
END
"""
sql_str_connect_db = " DRIVER={SQL server};SERVER={my_server};DATABASE={my_db};UID=my_id;PWD=my_password "
cnxn = pyodbc.connect(sql_str_connect_db )
cursor_test = cnxn.cursor()
cursor_test.execute(sql_str)
cnxn_test.commit()
但是,我得到了錯誤:
pyodbc.Error :(“ HY007”,“ [HY007] [Microsoft] [ODBC SQL Server驅動程序]關聯語句未准備好(0)(SQLNumResultCols)”)
並且,如何在python中檢查“ @return_value”的值?
搜索后,我找不到解決方案。
謝謝
您應該能夠在SQL中像這樣選擇它:
SELECT @return_value AS return_value
然后使用光標獲取記錄:
rows = cursor_test.fetchall()
for row in rows:
print(row.return_value)
問候,
-蒂姆
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