I have been trying to understand why I was getting an error when trying to read column names from a SQL table using the cursor.columns() command. rows = cursor.fetchall() Example assumes connection and query are built: Using @Beargle's result with bottlepy, I was able to create this very concise query exposing endpoint: For situations where the cursor is not available - for example, when the rows have been returned by some function call or inner method, you can still create a dictionary representation by using row.cursor_description, Here is a short form version you might be able to use. same queries execute fine using my script more than half the time and can What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? Check if a given key already exists in a dictionary. Do we really need a pyodbc cursor and why? Will let you know what if any difference this makes. chunk_size=200000 Using @Beargle's result with bottlepy, I was able to create this very concise query exposing endpoint: @route('/api/query/') Logs: The dataframe is returned without column names. It may be difficult to try this given the inconsistent nature of the bug though. is bringing back multiple result sets, so you may need to call nextset() These examples are extracted from open source projects. In case it's useful for future searchers: for us this mystery was caused by a tiny subset queries hitting our server's wait_timeout setting. Example The code that I am executing is as follows: packed with even more Pythonic convenience. How do I use pyodbc to print the whole query result including the columns to a csv file? So now you can execute your sql query and you'll get a dictionary to fetch your results, without the need to map them by hand. Content Discovery initiative 4/13 update: Related questions using a Machine How to create a dictionary out of weird list format? You signed in with another tab or window. close the cursor when you're done with it. implements the DB API 2.0 specification but is connect_string = f"DRIVER={{{self.driver}}};SERVER={self.server};PORT={self.port}; " that works. DB: Microsoft SQL Server Standard (64-bit), Version 12.0.6024.0 cursor.execute(sql_query) Is there a free software for modeling and graphical visualization crystals with defects? Database Cursors are reviled and mistrusted by DBA's, usually for good reason. I can only suggest you start Google "Database RBAR" to educate yourself on why avoiding mis-use of cursors is important. Out of curiosity I updated read_query with the below logic: It does not store any personal data. Content Discovery initiative 4/13 update: Related questions using a Machine How do I connect to a MySQL Database in Python? The following are 30 code examples for showing how to use django.db.connection.cursor () . If you want to fully generalize a routine that performs SQL Select Queries, but you need to reference the results by an index number, not a name, you can do this, with a list of lists instead of a dictionary. If you are working with postgresql and you are using psycopg2 you could use some goodies from psycopg2 to achieve the same by specifying the cursorfactory being a DictCursor when creating your cursor from the connection, like this: cur = conn.cursor( cursor_factory=psycopg2.extras.DictCursor ). When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? Can I ask for a refund or credit next year? You signed in with another tab or window. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This is a database cursor, which provides the context of the operation being executed. Note: This error was produced using MySQL ODBC 8.0.22 Unicode Driver making it the second driver that I've produced this error on. pyODBC uses the Microsoft ODBC driver for SQL Server. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. TypeError: 'NoneType' object is not iterable in Python, TypeError: 'module' object is not callable, Converting a Pandas GroupBy output from Series to DataFrame, Use a list of values to select rows from a Pandas dataframe, Get a list from Pandas DataFrame column headers, How to filter Pandas dataframe using 'in' and 'not in' like in SQL, "TypeError: a bytes-like object is required, not 'str'" when handling file content in Python 3. cursor.close(). result = cursor.fetchall() On the other hand this option works and gives the column names: columns = [column[0] for column in cursor.description] The cookies is used to store the user consent for the cookies in the category "Necessary". Lastly, there's always the remote possibility your query is bringing back multiple result sets, so you may need to call nextset() to get the result set (and description) you're looking for. that are unioned together using UNION ALL, hence being so many characters. Again v.4.0.24 does not show this inconsistency. Copytree: How do I copy an entire directory of files into an existing directory using Python. Why is a "TeX point" slightly larger than an "American point"? I have the same problem as @gisofer If a people can travel space via artificial wormholes, would that necessitate the existence of time travel? It stores the type of command, the command string, parameters, and other command pyodbc.cursor.columns doesn't always return table column information, https://github.com/mkleehammer/pyodbc/wiki, cursor.columns doesn't return column names, Suggestion: Allow for more testing before new release, https://www.microsoft.com/en-us/download/details.aspx?id=56567, pyodbc cursor.description is empty and query results fail to be returned, OS: Docker python:3.7 i.e. Connect and share knowledge within a single location that is structured and easy to search. Cursors columns = None Debian 9 (Docker running on MacOS Mojave) DB: Netsuite (some Oracle SQL database flavour) driver: Netsuite Using pyodbc my standard start is something like. rev2023.4.17.43393. connection_hostname What information do I need to ensure I kill the same process, not one spawned much later with the same PID? You can vote up the ones you like or vote down the ones you dont like, and go to the original project or source file by following the links above each example. IMPORTANT: Python 2.7 support is being ended. By using zip we pick the 1st to n entry and zip them together like a the zipper in you pants. almost certainly not a SELECT statement but something else. By clicking Sign up for GitHub, you agree to our terms of service and Perhaps you could try re-running the code without the chunk size (instead use LIMIT to bring back just a few rows), or you could try taking pandas and/or SQLAlchemy out of the picture and call pyodbc directly. mentioned earlier that the SQL is just a SELECT that returns 5 columns. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. @BenLutgens Because the example produces a. Update: by default, pypyodbc sets lowercase = True. Example assumes connection and query are built: Using @Beargle's result with bottlepy, I was able to create this very concise query exposing endpoint: Here is a short form version you might be able to use. Well occasionally send you account related emails. Please first make sure you have looked at: To diagnose, we usually need to know the following, including version numbers. deleting specific dictionary items in python (based on key format) in Python. pd.read_sql_query(sql_query, sql_connection, chunksize=int(chunk_size))` no data for query columns is available) and the query will fail with the aforementioned error. What information do I need to ensure I kill the same process, not one spawned much later with the same PID? To learn more, see our tips on writing great answers. FWIW, I also added option=4 to my connection string. For example, an Python: 2.7.14, pyodbc: 4.0.26 is definitely still an issue. " Connect and share knowledge within a single location that is structured and easy to search. But what about when executing an INSERT or UPDATE? But that is complete conjecture. pyodbc: 4.0.38 OS: Windows 10 Enterprise 20H2 64-bit DB: Impala driver: Cloudera ODBC Driver for Impala 2.06.16.1022 import pyodbc conn = connect 'DSN=Hadoop LDAP', autocommit=True cur = conn. cursor cur. Content Discovery initiative 4/13 update: Related questions using a Machine Use different Python version with virtualenv, How to get entire VARCHAR(MAX) column with Python pypyodbc, pypyodbc - Invalid cursor state when executing stored procedure in a loop, pypyodbc error 'Associated statement is not prepared'. You should never ever use it unless you are 1000% sure that the requests will always come from a trusted client. @gisofer If you are using the ODBC driver named "SQL Server", that is a very old one and I suggest upgrading to ODBC Driver 17 for SQL Server (https://www.microsoft.com/en-us/download/details.aspx?id=56567). else: Try a simple SELECT DROP INDEX Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. result = cur.fetchall() Please note that you'll have to import psycopg2.extras for that to work. Content Discovery initiative 4/13 update: Related questions using a Machine Get the column names of a query from pyodbc? Assuming that does work, build up from there. What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? Five columns selected from a table with one inner join to another table. The cookie is used to store the user consent for the cookies in the category "Performance". Manually raising (throwing) an exception in Python. Can a rotating object accelerate by changing shape? rev2023.4.17.43393. data = self._fetchall_as_list(cursor) When the error states the SQL was not a query, that means the SQL was 2021-02-13 04:59:00,557 - INFO - Query executed.. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The issue has not appeared again since.. The text was updated successfully, but these errors were encountered: Thank you for the trace file @abekfennessy , that is always appreciated, but are you sure that is the entire trace? pyodbc: 4.0.25; OS: Docker python:3.7 i.e. Looking at the following exert from the ODBC trace file: You can see the "Column Count" from the query is 0 (see SQLNumResultCols). How to create a dictcursor in Python MySQL? 2021-02-13 04:55:27,916 - INFO - Connection initiated to 192.168.20.117 These cookies will be stored in your browser only with your consent. Webdef test_lower_case (self): "Ensure pyodbc.lowercase forces returned column names to lowercase." Otherwise this argument indicates the order of the columns Python: 2.7.13, pyodbc: 4.0.22 OS: Windows 10 64bit, Driver: 2010 Access Database Engine ---->works, Same problem with IBM i Series Access ODBC Driver, Python: 3.7.3, pyodbc: 4.0.26 OS: Windows 10 64bit, Driver: 2010 Access Database Engine ---->works. I use python every day with a heavy emphasis on database work. By using zip we pick the 1st to n entry and zip them together like a the zipper in you pants. 2021-02-13 04:55:27,916 - INFO - Cursor initiated.. I kind of see the need of a cursor when fetching rows. (NOT interested in AI answers, please). for col in cursor.columns(table='SOURCE'): print(col.column_name), TypeError: bad argument type for built-in operation. if cursor.description is None: Also, here are three different solutions, If I am incorrect, please enlighten me and tell me how i can more efficiently interface with my DBs. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Does contemporary usage of "neithernor" for more than two options originate in the US? How to get list of dictionaries from cursor? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Zero output columns would explain the empty query description you got. I'm going to close this due to inactivity, but we are all interested in the results. Asking for help, clarification, or responding to other answers. Issue underlying empty cursor.description is resolved. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Rows returned by pyodbc are not JSON serializable, Displaying database results in Python Flask: ValueError: dictionary update sequence element #0 has length 6; 2 is required, Referencing fields (columns) by field name in Teradata, Python ValueError: 'dictionary update sequence element #0 has length 4; 2 is required', Retrieving Data from SQL Using pyodbc as list of dictionary, Importing Data from ms access into Python as List of dict, Append all fields returned as attributes of a pyodbc cursor to a user-defined data type. The column names can be provided as the first entry of the returned list, so parsing the returned list in the calling routine can be really easy and flexible. Example assumes connection and query are built: did not know about cursor.description. On Sat, Feb 13, 2021 at 08:16 Keith Erskine ***@***. What kind of tool do I need to change my bottom bracket? 5 How to create a dictcursor in Python MySQL? pyodbc Those are fairly substantial SQL statements. What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude), a result set containing zero or more rows of data, or. rev2023.4.17.43393. I like @bryan and @foo-stack answers. Note, pyodbc contains C++ extensions so you will I noticed row count was "-1" as well. Thanks for contributing an answer to Stack Overflow! What could a smart phone still do or not do and what would the screen display be if it was sent back in time 30 years to 1993? Storing configuration directly in the executable, with no external config files. How to determine chain length on a Brompton? large is iterating through several different extraction processes. If you don't know columns ahead of time, use Cursor.description to build a list of column names and zip with each row to produce a list of dictionaries. pyodbc cursor.description is empty and query results fail Why is Noether's theorem not guaranteed by calculus? My script at Thank you @mkleehammer. If your version of the ODBC driver is 17.1 or later, you can use the AAD interactive mode of the ODBC Find centralized, trusted content and collaborate around the technologies you use most. Since description is a tuple with tuples, where each tuple describes the header and the data type for each column, you can extract the first of each tuple with, For situations where the cursor is not available - for example, when the rows have been returned by some function call or inner method, you can still create a dictionary representation by using row.cursor_description. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. connection = pyodbc.connect(connect_string) And how to capitalize on that? # Has to be set before creating the cursor, so we must recreate self.cursor. columns : sequence, default None Assuming you know you column names! then it looks like the SQL statement itself is the issue here. 2021-02-13 04:55:27,546 - INFO - Attempting to connect to 192.168.20.117 In that case, I'm afraid I'm a bit stumped. yes it does. sql_connection = pyodbc.connect(connect_string) and table names replaced. How do two equations multiply left by left equals right by right? Not the answer you're looking for? query like "SELECT col1 FROM table1 LIMIT 1" using just pyodbc and see if The cookie is used to store the user consent for the cookies in the category "Other. fetch all the rows in the memory it's a very bad idea. Yes, it's called SQL syntax. But I found this way neat, as its also injection safe. columns = [col_desc[0] for col_desc in cursor.description]. WebTeams. chunksize=chunksize, you probably want to look at the last one! colnames = ['city', 'area Since description is a tuple with tuples, where each tuple describes the header and the data type for each column, you can extract the first of each tuple with. columns). Can members of the media be held legally responsible for leaking documents they never agreed to keep secret? If you have a chance, could you check there isn't any more trace output that can be retrieved? pyodbc is an open source Python module that makes accessing ODBC databases simple. Thanks, but is there a generalised solution for when I don't know my column names? If employer doesn't have physical address, what is the minimum information I should have from them? Openbase is the leading platform for developers to discover and choose open-source. What set them off was the cursor keyword. The first query has the majority of those unions commented out for By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Step 3: When to use cursor description in pyodbc? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I am trying to run a SQL command using pyodbc in python. the docs for details. Is "in fear for one's life" an idiom with limited variations or can you add another noun phrase to it? Are you sure your SQL is just a SELECT Evaluating the limit of two sums/sequences. If you are working with postgresql and you are using psycopg2 you could use some goodies from psycopg2 to achieve the same by specifying the cursorfactory being a DictCursor when creating your cursor from the connection, like this: cur = conn.cursor( cursor_factory=psycopg2.extras.DictCursor ). @LJT Only in python3 but since the print() function works in python2, it's good practice to use it. Quick example when cursor is OK: sending them to an external API that does not accept batches (you have no choice, though saving to file first is probably better); when not OK: Updating column3 to some value if column1 > column2 (this should be done via a single update statement on the entire table). What are the benefits of learning to identify chord types (minor, major, etc) by ear? We also use third-party cookies that help us analyze and understand how you use this website. I am still on pyodbc 4.0.30, my query has not changed, and my MySql version has not changed. I also have this question. Is it possible to create a dictionary cursor using this MySQL Connector? You By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. >>> single_row = dict(zip(zip(*cursor.description)[0], c YA scifi novel where kids escape a boarding school, in a hollowed out asteroid, Theorems in set theory that use computability theory tools, and vice versa. Maybe my case will be useful in tracking the error. How can I test if a new package version will pass the metadata verification step without triggering a new package version? Find centralized, trusted content and collaborate around the technologies you use most. debugging purposes. of things - column names that are somewhat "exotic" (e.g. Apologies, the formatting seems to have gotten lost.. Does contemporary usage of "neithernor" for more than two options originate in the US? Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The problem is that with Cursor.columns sometimes I get data and sometimes not. "expected behavior" To learn more, see our tips on writing great answers. These are unlikely to be the cause of your issues, but be on the lookout for a couple of things - column names that are somewhat "exotic" (e.g. u'ID', ]. These cookies ensure basic functionalities and security features of the website, anonymously. 12 gauge wire for AC cooling unit that has as 30amp startup but runs on less than 10amp pull. Please note that you'll have to import psycopg2.extras for that to work. print(result) did notice that the statement was 3222 characters long in your earlier import pyodbc specific to MySQL. See By clicking Accept All, you consent to the use of ALL the cookies. you probably want to look at the last one! Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Only difference for creating logs: pyodbc.pyd exchanged (v.4.0.24 - v.4.0.25). Making statements based on opinion; back them up with references or personal experience. Asking for help, clarification, or responding to other answers. Step 2: Import pyodbc in insert Python Script This next step, is to import pyodbc in your Pthon script using one below comment: import pyodbc Step 3: Set the Association String Now its time to set our connection string. I use python every day with a heavy emphasis on database work. I feel like having ODBC cursor structures as they are has something to do with allowing multiple cursors through the same connection to reduce connection cost and such. This website uses cookies to improve your experience while you navigate through the website. http://dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns a tuple. Why is a "TeX point" slightly larger than an "American point"? You can wrap the zip in a list list(zip(*description))[0] @malat. python If I had put that together I would have closed #506 as a duplicate, but since I posted to patch against it I will close this as a duplicate. The queries being run all have column names for each column selected and should not return an empty dataset. The error says that there is nothing in the cursor, basically, it means that your returned nothing. I'll give both these a shot, thank you. I've attached the odbc trace below. I am not sure if the cursor should be closed after any query or just once at the end and I could not find anything in the doc. Is there a free software for modeling and graphical visualization crystals with defects? Finding valid license for project utilizing AGPL 3.0 libraries, How small stars help with planet formation. You don't use pyodbc to "print" anything, but you can use the csv module to dump the results of a pyodbc query to CSV. This MySQL Connector driver making it the second driver that I 've produced this error was produced using MySQL 8.0.22... Selected and should not return an empty dataset to close this due to inactivity, but are... Private knowledge with coworkers, Reach developers & technologists worldwide and understand how you use this website cookies... Find centralized, trusted content and collaborate around the technologies you use this website operation. A bit stumped a place that only he had access to Bombadil made the one Ring,! It possible to create a dictionary cursor using this MySQL Connector it the second driver that I produced... Example pyodbc cursor description returns a tuple on writing great answers to capitalize on that keep?. If a new package version will pass the metadata verification step without triggering a package... Agpl 3.0 libraries, how small stars help with planet formation difference this makes but something else INSERT update... Print ( ) function works in python2, it 's good practice to use cursor in... Have gotten lost has to be set before creating the cursor, so we must recreate self.cursor this to! Memory it 's a very bad idea pyodbc cursor description, but is there a generalised solution when! Assumes connection and query are built: did not know about cursor.description basically, it means that your returned.! For when I do n't know my column names of a query from pyodbc help clarification... * description ) ) [ 0 ] @ malat leaking documents they agreed! Website uses cookies to improve your experience while you navigate through the.. They never agreed to keep secret you should never ever use it and choose open-source refund or credit year... Columns to a csv file answers, please ) I updated read_query with the below:... Know the following are 30 code examples for showing how to capitalize on that Machine how do need. Out of weird list format noun phrase to it the website, anonymously more Pythonic convenience more two!: to diagnose, we usually need to ensure I kill the same process, not spawned. Pythonic convenience connection = pyodbc.connect ( connect_string ) and table names replaced version numbers cursor.columns ( table='SOURCE ). This RSS feed, copy and paste this URL into your RSS reader SQL statement itself is the here... An issue. while you navigate through the website, anonymously the whole query result including columns. Asking for help, clarification, or responding to other answers clicking Post your Answer, you to... Is important to 192.168.20.117 in that case, I also added option=4 to my string. Option=4 to my connection string pyodbc in Python my MySQL version has not changed code that I am on! Sets, so we must recreate self.cursor an empty dataset cursor when you 're done with it the... Packed with even more Pythonic convenience single location that is structured and easy to search free account! & technologists worldwide how small stars help with planet formation but what about when an! Database cursor, so you may need to change my bottom bracket ( minor major... You know what if any difference this makes example, an Python: 2.7.14, pyodbc contains C++ so. But runs on less than 10amp pull, and technical support columns = [ col_desc [ ]... It may be difficult to try this given the inconsistent nature of the website to capitalize on that malat... Will pass the metadata verification step without triggering a new package version row count was `` -1 as! 'S, usually for good reason of see the need of a cursor when rows... 'M going to close this due to inactivity, but is there a generalised solution for I! Step 3: when to use django.db.connection.cursor ( ) pyodbc cursor description note that you have... Technologists worldwide [ 0 ] for col_desc in cursor.description ] - INFO - connection initiated to 192.168.20.117 cookies. Spawned much later with the same process, not one spawned much later the! Pyodbc.Pyd exchanged ( v.4.0.24 - v.4.0.25 ) '' to learn more, see our tips on great! Columns selected from a trusted client note, pyodbc: 4.0.25 ; OS: Docker i.e. Driver making it the second driver that I am trying to run a SQL using! Result = cur.fetchall ( ) function works in python2, it means your..., see our tips on writing great answers if you have looked at: to diagnose we. Connection string agreed to keep secret of Cursors is important be retrieved to a MySQL database in Python this. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers Reach., clarification, or responding to other answers note, pyodbc: 4.0.25 ; OS: python:3.7... Security features of the bug though first make sure you have looked at: to diagnose, usually... To my connection string copytree: how do I use Python every day with a heavy emphasis on database.! Operation being executed a chance, could you check there is nothing in the cursor, provides... Leaking documents they never agreed to keep secret the empty query description you got your! Query has not changed, and technical support opinion ; back them up with references or personal experience databases.! Says that there is nothing in the US to keep secret he had access to also use third-party that!, clarification, or responding to other answers choose open-source since the print ( ). Close the cursor, basically, it 's a very bad idea close this due to inactivity, is..., hence being so many characters Sat, Feb 13, 2021 at 08:16 Keith Erskine *! Stored in your earlier import pyodbc specific to MySQL to learn more, see our tips on writing great.! @ BenLutgens Because the example produces a. update: by default, sets! And my MySQL version has not changed entire directory of files into an directory. Mysql ODBC 8.0.22 Unicode driver making it the second driver that I am still on pyodbc 4.0.30, my has... Still on pyodbc 4.0.30, my query has not changed 04:55:27,916 - INFO - connection initiated 192.168.20.117..., anonymously 1000 % sure that the SQL statement itself is the leading platform for developers to discover and pyodbc cursor description! Expected behavior '' to learn more, see our tips on writing great answers documents they never agreed keep... Use this website close the cursor, basically, it means that your nothing! Cookie is used to store the user consent for the cookies know what any. On less than 10amp pull when executing an INSERT or update what is the minimum I! The same process, not one spawned much later with the same process not... One inner join to another table = True close this due to inactivity, but is there generalised. Dictionary items in Python service, privacy policy and cookie policy held legally for. And understand how you use most ( col.column_name ), TypeError: bad argument type for built-in.... The user consent for the cookies it into a place that only he had to... Also injection safe not know about cursor.description is important output columns would explain empty! Examples for showing how to use it unless you are 1000 % sure that the statement was 3222 long! Terms of service, privacy policy and cookie policy our terms of service, privacy policy cookie... Feb 13, 2021 at 08:16 Keith Erskine * * * * does contemporary usage of `` neithernor for... Pyodbc uses the Microsoft ODBC driver for SQL Server, could you check there is nothing in the category Performance!: by default, pypyodbc sets lowercase = True v.4.0.24 - v.4.0.25 ) context of the operation executed... Finding valid license for project utilizing AGPL 3.0 libraries, how small stars help with formation! I 'm a bit stumped limited variations or can you add another noun to! Every day with a heavy emphasis on database work earlier import pyodbc specific MySQL... The limit of two sums/sequences at the last one with references or personal experience self:... Looked at: to diagnose, we usually need to change my bottom bracket you are 1000 % sure the! Unicode driver making it the second driver that I am executing is as follows packed! Are reviled and mistrusted by DBA 's, usually for good reason in cursor.columns table='SOURCE... Making statements based on opinion ; back them up with references or personal.. We are all interested in AI answers, please ): Docker python:3.7 i.e in the memory it 's practice. The inconsistent nature of the bug though pypyodbc sets lowercase = True mis-use of Cursors is important results! Source Python module that makes accessing ODBC databases simple to other answers our terms of service privacy... A Machine how to capitalize on that of the latest features, security updates, and my MySQL has. Know the following, including version numbers in your earlier import pyodbc specific to MySQL things - column names a! The zip in a list list ( zip ( * description ) ) [ 0 ] @.. It does not store any personal data disappear, did he put it into a place that he! 'M going to close this due to inactivity, but is there free. When I do n't know my column names for each column selected and should not return empty! Fetching rows let you know what if any difference this makes that case, I added. Should never ever use it unless you are 1000 % sure that the requests will come... About cursor.description, privacy policy and cookie policy of curiosity I updated read_query with the below:. Key already exists in a list list ( zip ( * description ) ) [ 0 ] for in! Of two sums/sequences sure that the statement was 3222 characters long in your only!

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