Attributeerror connection object has no attribute cursor. I have confirmed this bug exists on the main br.
Attributeerror connection object has no attribute cursor Jul 23, 2025 · The "AttributeError: Object has no attribute" error is a common issue in Python. py", line 23, in data cur = mysql. 4 to 2. The AttributeError: 'Engine' object has no attribute 'cursor' while using Pandas' read_sql () function, it suggests that there's an issue with how the Engine object is being handled. . 0 works. 0. I tried running the connection code line by line without wrapping it in a function in the interpreter and it works without error. connection' object has no attribute 'cursor' Asked 7 years, 6 months ago Modified 7 years, 6 months ago Viewed 11k times Mar 23, 2019 · I got AttributeError: 'Engine' object has no attribute 'execution_options' errors after upgrading pandas and sqlalchemy from an old notebook using OP’s syntax, and querying your way worked. 4 is still a widely used and maintained release. Jul 20, 2024 · Pandas version checks I have checked that this issue has not already been reported. I have confirmed this bug exists on the main br How can I resolve the ‘AttributeError: ‘connection’ object has no attribute ‘cursor” error? To resolve this error, ensure that you are using the correct database connection library and that the connection is successfully established. Using the denodo connection directly works. Jan 24, 2024 · 2024-01-24T11:57:31 cur = self. When updated to 2. I get the error message: AttributeError: 'str' object has no attribute 'cursor'. 0 is not trivial and therefore many projects using both pandas and AttributeError: 'NoneType' object has no attribute 'execute' cursor is None meaning conn. connect () never successfully connected. After creating the connection which i am trying tp grab the cursor object it Jan 15, 2018 · The problem comes when I try to connect the cursor to the connection object on the line that reads: cor = con. May 14, 2025 · UserWarning: pandas only supports SQLAlchemy connectable (engine/connection) or database string URI or sqlite3 DBAPI2 connection. Upgrading from sqlalchemy 1. Apr 27, 2018 · AttributeError: '_mysql. 2 Release Notes declare sqlalchemy > 2. cursor () AttributeError: 'NoneType' object has no attribute 'cursor' As pointed out by @Martijn Pieters, this means that I could not connect to the mysql database. Jan 24, 2024 · While Pandas 2. connection. 0, I receive the AttributeError due to the cursor not being present. cursor () 2024-01-24T11:57:31 AttributeError: 'Connection' object has no attribute 'cursor' Expected Behavior Using odbc connection or pandas 2. Cursor ()`. Nov 16, 2016 · AttributeError: 'DB_Connector' object has no attribute 'cursor' Asked 8 years, 10 months ago Modified 3 years, 4 months ago Viewed 18k times Jan 4, 2022 · 'Connection' object has no attribute 'cursor' #231 New issue Closed chapmanjacobd I'm getting an error message that the function has no cursor attribute. How can I fix the “AttributeError: ‘Connection’ object has no attribute ‘Cursor'” in my code? Ensure that you call the method with the correct case: use `connection. What does the error ‘attributeerror: ‘engine’ object has no attribute ‘cursor” mean? This error indicates that the code is attempting to call a method or access an attribute named ‘cursor’ on an object of type ‘engine’, which does not possess such an attribute. read_sql (query, con=connection) Query failed: 'Connection' object has no attribute 'cursor' The error `AttributeError: ‘Engine’ object has no attribute ‘cursor’` commonly arises when developers attempt to use the SQLAlchemy `Engine` object similarly to a raw database connection object. cursor(). con. Solution: Use the connection attribute of a SQLAlchemy Connection object instead of the Engine object directly. The question is, why does flask connect without a problem in the first function and has issues with the second function? Jun 9, 2023 · Hi , I am using following code snippet which is using sqlalchemy and the connection pool is created using oracledb pool. 2. This change thus likely breaks a lot of existing code. I have confirmed this bug exists on the latest version of pandas. df = pd. 0 a minimum requirement, sqlalchemy 1. cursor ()` instead of `connection. It occurs when we try to access an attribute of an object that doesn't exist for that object. Other DBAPI2 objects are not tested. You'll want to start looking at why that's not working in the first place The error `AttributeError: ‘Engine’ object has no attribute ‘cursor’` commonly arises when developers attempt to use the SQLAlchemy `Engine` object similarly to a raw database connection object. Please consider using SQLAlchemy. might be related to: #51015 Installed Versions 2 Oct 12, 2018 · File "app. nqwfjaftstycarpbbhytmhlwaaixwevrapxgebdbntielhikiyzpdrejdqwbmhafmbwnovpvrmwu