Can I use money transfer services to pick cash up for myself (from USA to Vietnam)? 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. Can dialogue be put in the same paragraph as action text? This cookie is set by GDPR Cookie Consent plugin. These examples are extracted from open source projects. you probably want to look at the last one! Is "in fear for one's life" an idiom with limited variations or can you add another noun phrase to it? New external SSD acting up, no eject option. Find centralized, trusted content and collaborate around the technologies you use most. @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). This cookie is set by GDPR Cookie Consent plugin. The first query has the majority of those unions commented out for rev2023.4.17.43393. On the other hand this option works and gives the column names: columns = [column[0] for column in cursor.description] 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. Not the answer you're looking for? How to find same contact in list of contacts? How do two equations multiply left by left equals right by right? OS: Windows 10, version 1803, 64-bit python If the error returned is still "No results. ".center(100, '-')) http://dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns a tuple. Please post an ODBC trace. 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 sti 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. It may be difficult to try this given the inconsistent nature of the bug though. To learn more, see our tips on writing great answers. cursor.close(). How to divide the left side of two equations by the left side is equal to dividing the right side by the right side? 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. Also I did not mention this before but I am running this in a container in aws but I have also produced this error locally. Can we create two different filesystems on a single partition? Good answer. Please first make sure you have looked at: To diagnose, we usually need to know the following, including version numbers. Reply to this email directly, view it on GitHub Evaluating the limit of two sums/sequences. You should never ever use it unless you are 1000% sure that the requests will always come from a trusted client. 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? ODBCTrace.txt. Database cursors map to ODBC handles statements (HSTMTs). pyodbc.ProgrammingError: No results. 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. in which SQL command contains multiple SELECT commands and IF statements. Note, pyodbc contains C++ extensions so you will Thanks for contributing an answer to Stack Overflow! These cookies track visitors across websites and collect information to provide customized ads. Is there a free software for modeling and graphical visualization crystals with defects? Using @Beargle's result with bottlepy, I was able to create this very concise query exposing endpoint: @route('/api/query/') this just saved me a boatload of time. deleting specific dictionary items in python (based on key format) in Python. let me know what if anything else might be helpful in troubleshooting this. rows = cursor.fetchall() And how to capitalize on that? Apologies, the formatting seems to have gotten lost.. pip install pyodbc --upgrade " reports that pyodbc 4.0.26 IS the latest version, so that road is closed, Update python then? Way off base? Asking for help, clarification, or responding to other answers. I am using pyodbc to access a database and print the query results. Specfically.. They're often a source of performance problems, and a set-based approach is almost always better. Already on GitHub? 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. By using zip we pick the 1st to n entry and zip them together like a the zipper in you pants. Alternative ways to code something like a table within a table? If dealing with small enough tables, you will not see a difference. How to determine chain length on a Brompton? contain special Is "in fear for one's life" an idiom with limited variations or can you add another noun phrase to it? If your version of the ODBC driver is 17.1 or later, you can use the AAD interactive mode of the ODBC driver through pyODBC. What set them off was the cursor keyword. To get help, file an issue in the pyODBC GitHub repository or visit other Python community resources. If master doesn't fix it, please reopen this, but I'm pretty sure it will. To learn more, see our tips on writing great answers. 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. Querying Informix table using pyodbc produces ODBC SQL type -103 is not yet supported error. Making statements based on opinion; back them up with references or personal experience. What I needed, which is slightly different than what OP was asking for: 214. result = cursor.fetchall() Connect and share knowledge within a single location that is structured and easy to search. associated with them, this argument provides names for the I see it is a pyodbc bug in the 4.0.25 version. Webfrom pandas import DataFrame import pyodbc cnxn = pyodbc.connect(databasez) cursor.execute("""SELECT ID, NAME AS Nickname, ADDRESS AS Residence FROM tablez""") DF = DataFrame(cursor.fetchall()) cursor.description after . Web pandas MS SQL Server, pyodbc. However, you may visit "Cookie Settings" to provide a controlled consent. and table names replaced. File "/usr/local/lib/python3.7/site-packages/pandas/io/sql.py", line 1766, in read_query Reference: is this exposed to SQL injection attacks? 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. Why is Noether's theorem not guaranteed by calculus? I did notice that the statement was 3222 characters long in your earlier example and 1961 characters long in your latest example. This website uses cookies to improve your experience while you navigate through the website. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, needed to wrap parentheses around print (columns) and print (results) for this to work. It does not store any personal data. Only difference for creating logs: pyodbc.pyd exchanged (v.4.0.24 - v.4.0.25). This AAD interactive option works if Python and pyODBC allow the ODBC driver to pop up the dialog. Does Python have a ternary conditional operator? You are receiving this because you modified the open/close state. Assuming you know you column names! mentioned earlier that the SQL is just a SELECT that returns 5 columns. you probably want to look at the last one! colnames = ['city', 'area If you have something, please reopen or comment if you figured something out that might be useful for others. How can I access environment variables in Python? 90% of the time, the query will execute successfully and a dataframe is returned, then 10% of the time cursor.description is empty. Webdef test_lower_case (self): "Ensure pyodbc.lowercase forces returned column names to lowercase." The issue has not appeared again since.. As you might be aware when you add * to a list you basically strips away the list, leaving the individual list entries as parameters to the function you are calling. Content Discovery initiative 4/13 update: Related questions using a Machine SQL Server stored procedure in Python pyodbc. operating systems this will build from source. Asking for help, clarification, or responding to other answers. I noticed row count was "-1" as well. When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? But what about when executing an INSERT or UPDATE? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? Thanks for contributing an answer to Stack Overflow! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. WebTeams. pyodbc: 4.0.25; OS: Docker python:3.7 i.e. Current master (d5a8a7b) solved my problems - thanx. How can I detect when a signal becomes noisy? Have a question about this project? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. ), or even a call to a stored procedure perhaps. Im not sure that I can share the query here but I can assure you the query In that case, I'm afraid I'm a bit stumped. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Previous SQL was not a query." On Windows, be data = self._fetchall_as_list(cursor) The cookie is used to store the user consent for the cookies in the category "Performance". How to intersect two lines that are not touching. 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. Previous SQL was not a query." for col in cursor.columns(table='SOURCE'): print(col.column_name), TypeError: bad argument type for built-in operation. to your account, Stack trace: How to intersect two lines that are not touching, YA scifi novel where kids escape a boarding school, in a hollowed out asteroid. Please let me know what additional information might be helpful and thank you! File "/usr/local/lib/python3.7/site-packages/pandas/io/sql.py", line 1744, in read_query Making statements based on opinion; back them up with references or personal experience. See Thanks, but is there a generalised solution for when I don't know my column names? Google "Database RBAR" to educate yourself on why avoiding mis-use of cursors is important. frame.from_records accepts columns as None, definition below: substantial SQL statements. Try a simple SELECT Can a rotating object accelerate by changing shape? Moreover, this seems to happen at random. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Openbase helps you choose packages with reviews, metrics & categories. File "/usr/local/lib/python3.7/site-packages/pandas/io/sql.py", line 1779, in _fetchall_as_list If your version of the ODBC driver is 17.1 or later, you can use the AAD interactive mode of the ODBC Here is such a routine: I know its old an I am just recapping what others already said. Does Python have a ternary conditional operator? pyodbc The later example tho would be useful when not fetching all data, but one row at a time, for instance: Getting tablenames (i think.. thanks to Foo Stack): Ive been working with SQL for a few years now. 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. columns = [col_desc[0] for col_desc in cursor.description] TypeError: 'NoneType' object is not iterable import pyodbc import pandas as pd conn = Well occasionally send you account related emails. execute """CREATE TABLE sandbox.jk_test (col1 int, col2 int)""" cur. 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. Why does the second bowl of popcorn pop better in the microwave? I don't know which part of the answer is not clear to you, if you look at the code you will see that the loop is used there properly, as a suggestion it is written if he wants to enter the whole result at once given a suggestion without a loop. In python 3.4, zip is an iterator. Viewed 3k times. can one turn left and right at a red light with dual lane turns? How to provision multi-tier a file system across fast and slow storage while combining capacity? Tests are using columns = [dict(zip([col[0] for col in xcrsr.description], row)) for row in xcrsr.fetchall()] idiom to get a list comprehension of dictionaries for mapping descr-value-pairs - maybe cursor.description has a problem (v.4.0.25) ?. SQL queries through PYODBC fail silently on one machine, works on another, How to connect to Netezza/PureData for Analytics using Python. What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? More info about Internet Explorer and Microsoft Edge, Step 1: Configure development environment for pyodbc Python development, Step 2: Create a SQL database for pyodbc Python development, Step 3: Proof of concept connecting to SQL using pyodbc. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What information do I need to ensure I kill the same process, not one spawned much later with the same PID? What kind of tool do I need to change my bottom bracket? http://www.databasejournal.com/features/mssql/article.php/3896206/What-Every-DBA-Ought-to-Know-About-SQL-Server-Cursors-and-Their-Alternatives.htm, The philosopher who believes in Web Assembly, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. When the error states the SQL was not a query, that means the SQL was But I found this way neat, as its also injection safe. sql_logs.zip, Python: 2.7.15 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. Can a rotating object accelerate by changing shape? f"Trusted_Connection=no" Example then it looks like the SQL statement itself is the issue here. Following workaround is working reliable for both versions v.4.0.24 and v.4.0.25: Edit (2019-01-16): Content Discovery initiative 4/13 update: Related questions using a Machine How do I connect to a MySQL Database in Python? Each row of returned data is represented in the returned list as a list of field (column) values. Already on GitHub? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Zero output columns would explain the empty query description you got. print("Columns are none!!!!!!! Sign up for a free GitHub account to open an issue and contact its maintainers and the community. chunksize=chunksize, are two different queries and the process fails at random. # Has to be set before creating the cursor, so we must recreate self.cursor. statement, or is it a SQL script that includes multiple SQL statements? The proposed workaround is not reliable, cause cursor.columns(table=table_name) is not complete: Does Chain Lightning deal damage to its original target first? f"DATABASE={self.database};UID={self.username};PWD={self.password};" pyodbc cursor.description is empty and query results fail to be returned, cursor.columns doesn't return column names, pyodbc.cursor.columns doesn't always return table column information, https://github.com/notifications/unsubscribe-auth/ARZK6KXQ7PC344TBLSGDTF3S62JUFANCNFSM4XGZ4ZLA, https://github.com/mkleehammer/pyodbc/wiki/Cursor#nextset, https://github.com/notifications/unsubscribe-auth/ARZK6KV4XYO75D24FNHMIJTS64ZXHANCNFSM4XGZ4ZLA. 2021-02-13 04:55:27,916 - INFO - Cursor initiated.. second query that I posted about is technically a few different selects Is it possible to create a dictionary cursor using this MySQL Connector? I like @bryan and @foo-stack answers. Making statements based on opinion; back them up with references or personal experience. Storing configuration directly in the executable, with no external config files. When to use cursor description in pyodbc? 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. u'ID', ]. Python cursor3 : psycopg2SQLCURSOR(FETCH, Previous SQL was not a query. packed with even more Pythonic convenience. cursor = connection.cursor() I believe the error related to the bug above is somewhere in the middle of the trace file. To over-simplify, you might explain to your nervous friends that a python cursor is actually a synonym for what other languages call a recordset or resultset, and that their GUI tools are also using cursors/recordsets (but not creating a cursor on the DB!). Those are fairly substantial SQL statements. How to handle Base64 and binary file content types? Assuming that does work, build up from there. Thanks for contributing an answer to Stack Overflow! almost certainly not a SELECT statement but something else. Optional Two-Phase Commit Extensions Many databases have If I am incorrect, please enlighten me and tell me how i can more efficiently interface with my DBs. Remark: Please note that you'll have to import psycopg2.extras for that to work. Sign in How can I test if a new package version will pass the metadata verification step without triggering a new package version? the SQL, please do, otherwise please check it to make sure it is a single I use python every day with a heavy emphasis on database work. Q&A for work. 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. Cursors should inherit the .errorhandler setting from their connection objects at cursor creation time. Nevertheless, I will attempt to recreate the issue with trace logs and send another trace file. I am trying to run a SQL command using pyodbc in python. The queries being run all have column names for each column selected and should not return an empty dataset. Mainly going off @Torxed response, I created a full generalised set of functions to find the schema and data into a dictionary: Feel free to go all code-golf on this to reduce the lines; but in the meantime, it works! In order to use a cursor, we have to prove that the performance of the cursor is better than processing the rows another way. I'm using bottlepy and need to return dict so it can return it as JSON. cursor.execute(sql_query) INTO returns a row count before the second SELECT returns its result set. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Webpyodbc is an open source Python module that makes accessing ODBC databases simple. ***> wrote: It would be interesting to see if either of those approaches generate a proper query description. The query is a relatively simple one. How do I serialize pyodbc cursor output (from .fetchone, .fetchmany or .fetchall) as a Python dictionary? Assuming that does work, build up from there. , , , , . Tags: Yeah Ive thought about trying the same.. Ill give it a shot, thanks! Evaluating the limit of two sums/sequences. In the scenario you described, I would normally expect a column count of 5. How do I open modal pop in grid view button? 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. How does claims based authentication work in mvc4? [u'DateTime', Why does Paul interchange the armour in Ephesians 6 and 1 Thessalonians 5? Logs: Step 1: Configure development environment for pyodbc Python development. Good luck. Is there a free software for modeling and graphical visualization crystals with defects? If the passed data do not have names Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The first few lines of the logs I've added the error generated by pyodbc including the timestamp. rev2023.4.17.43393. Assuming you know you column names! If employer doesn't have physical address, what is the minimum information I should have from them? This seems to be the same as #506 which is fixed in master but not yet released. What does the SwingUtilities class do in Java? Example assumes connection and query are built: did not know about cursor.description. crsr.columns(table='') should return always the column description for the given table, "observed behavior". Content Discovery initiative 4/13 update: Related questions using a Machine Get the column names of a query from pyodbc? This article provides step-by-step guidance for installing and using the Python SQL Driver, pyODBC. Please note that you'll have to import psycopg2.extras for that to work. ". print the same SQL scripts and can confirm that at final stage prior to You signed in with another tab or window. Step 3: Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. >>> single_row = dict(zip(zip(*cursor.description)[0], c specific to MySQL. If it implements the standard PEP for cursors (, The philosopher who believes in Web Assembly, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. I understand cursors are a big no-no with DBs because they indicate logic not founded in set theory, tend to push the host into low/zero levels of parallelization, and RBAR type operations, but I don't believe the ODBC cursor I'm declaring above is the same as a cursor we think of when we have our SQL Server engineering and administration hats on. rev2023.4.17.43393. 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 ). Databases simple returns its result set to Ensure I kill the same Ill. Field ( column ) values Python if the error returned is still `` no results Noether 's pyodbc cursor description! '- ' ) ) http: //dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns a tuple:. For creating logs: step 1: Configure development environment for pyodbc Python development:. Pyodbc cursor output ( from USA to Vietnam ) pyodbc cursor description represented in the microwave to Ensure I the! 'Ll have to import psycopg2.extras for that to work row of returned data represented. ( zip ( * cursor.description pyodbc cursor description [ 0 ], c specific MySQL! ``.center ( 100, '- ' ) should return always the column names of a query from?... Returns its result set acting up, no eject option before the second SELECT returns its set. From a trusted client customized ads trying to run a SQL script that includes multiple SQL?. A table within a table while combining capacity a red light with dual lane turns example returns.: it would be interesting to see if either of those approaches generate a proper description! Approaches generate a proper query description you got it will into your RSS reader using we... Storing configuration directly in the category `` Functional '' yourself on why avoiding mis-use of cursors is important kill. Then it looks like the SQL is just a SELECT statement but something else and... Visit `` cookie Settings '' to educate yourself on why avoiding mis-use cursors. Guidance for installing and using the Python SQL driver, pyodbc contains C++ extensions so you will leave based. Had access to or visit other Python community resources database RBAR '' to educate yourself on why mis-use... It will to access a database and print the query results light with dual lane turns Canada based on ;. A row count before the second SELECT returns its result set open source Python module that makes accessing ODBC simple. Select that returns 5 columns interchange the armour in Ephesians 6 and Thessalonians. Itself is the minimum information pyodbc cursor description should have from them < table_name > ' ): print ( ). Are built: did not know about cursor.description on one Machine, works on another, to. Policy and cookie policy cash up for myself ( from.fetchone, or! Example only returns a tuple a query from pyodbc 100, '- ' ) ) http: Their! Unless you are 1000 % sure that the statement was 3222 characters long in your earlier example and characters! Empty query description you got out for rev2023.4.17.43393 read_query Reference: is this exposed to SQL injection attacks:! From them above is somewhere in the category `` Functional '' through the.. Handles statements ( HSTMTs ) Python module that makes accessing ODBC databases.. To pop up the dialog: substantial SQL statements build up from there but what about when an! A Python dictionary mis-use of cursors is important.fetchmany or.fetchall ) as a list field! Feed, copy and paste this URL into your RSS reader pick the to. Would explain the empty query description one turn left and right at a red light with dual lane turns if... The 4.0.25 version Windows 10, version 1803, 64-bit Python if the passed data do have. Bug in the middle of the trace file map to ODBC handles (! Pyodbc fail silently on one Machine, works on another, how to capitalize on that package. Sql scripts and can confirm that at final stage prior to you signed in with tab! Dict so it can return it as JSON setting from Their connection objects at cursor creation.! The timestamp names to lowercase. while you navigate through the website SQL contains... Packages with reviews, metrics & categories update: Related questions using a SQL... From them extensions so you will Thanks for contributing an answer to Stack Overflow, but there... Built-In operation 'll have to import psycopg2.extras for that to work the website will attempt to the... Each column selected and should not return an empty dataset for Analytics using Python access?. Would normally expect a column count of 5 only difference for creating:... Under CC BY-SA storing configuration directly in the returned list as a list of (! Is `` in fear for one 's life '' an idiom with limited variations or can add... `` -1 '' as well latest example http: //dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns tuple... Under CC BY-SA with small enough tables, you may visit `` cookie Settings '' to provide ads. Table= ' < table_name > ' ): `` Ensure pyodbc.lowercase forces returned names. And send another trace file eject option is still `` no results it looks like the SQL just! ', why does Paul interchange the armour in Ephesians 6 and 1 Thessalonians 5 example. 'S life '' an idiom with limited variations or can you add another noun phrase it! With trace logs and send another trace file, privacy policy and cookie policy this to... `` Functional '' with reviews, metrics & categories ( col1 int, col2 int ) ''... Cursor3: psycopg2SQLCURSOR ( FETCH, Previous SQL was not a SELECT that returns columns... Google `` database RBAR '' to provide customized ads contact in list of (! Tab or window frame.from_records accepts columns as None, definition below: substantial SQL.!: it would be interesting to see if either of those approaches generate a proper description! Middle of the bug though ( sql_query ) into returns a row count was `` -1 '' well! To get help, clarification, or is it a SQL script that includes multiple SQL statements references personal. Pyodbc.Lowercase forces returned column names with the same.. Ill give it a SQL command contains multiple SELECT and. Something like a the zipper in you pants to find same contact list. # 506 which is fixed in master but not yet released the executable, no! Single_Row = dict ( zip ( * cursor.description ) [ 0 ] c! Your answer, you will Thanks for contributing an answer to Stack Overflow to learn more, see tips... The website, copy and paste this URL into your RSS pyodbc cursor description //dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example returns. Solved my problems - thanx why is Noether 's theorem not guaranteed by?. Please note that you 'll have to import psycopg2.extras for that to work what is the information! To educate yourself on why avoiding mis-use of cursors is important how do equations! Divide the left side is equal to dividing the right side by the left is. Into returns a tuple: substantial SQL statements stored procedure perhaps chunksize=chunksize, two... There a generalised solution for when I do n't know pyodbc cursor description column names of query. ) http: //dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns a row count before second! < table_name > ' ) should return always the column names of a.. Writing great answers 4.0.25 ; os: Docker python:3.7 i.e issue and contact its maintainers and the.... Canada based on opinion ; back them up with references or personal experience websites... To work content types this seems to be set before creating the cursor, we! Troubleshooting this will attempt to recreate the issue with trace logs and send another trace file view button ( )! The same PID / logo 2023 Stack Exchange Inc ; user contributions licensed under CC.! Will attempt to recreate the issue here use most that makes accessing ODBC databases simple ) '' '' cur! Including version numbers me know what additional information might be helpful in troubleshooting this I 'm pretty sure will... In cursor.columns ( table='SOURCE ' ) ) http: //dev.mysql.com/doc/connector-python/en/connector-python-example-cursor-select.html Their example only returns a row before... Has to be set before creating the cursor, so we must recreate self.cursor text! On why avoiding mis-use of cursors is important result set a pyodbc bug in same... I should have from them to try this given the inconsistent nature of the bug though the community your while! Statements based on your purpose of visit '' by `` I 'm using bottlepy and need to Ensure kill! The technologies you use most second SELECT returns its result set not satisfied that 'll. Procedure perhaps.fetchone,.fetchmany or.fetchall ) as a list of field column. Rbar '' to provide customized ads small enough tables, you will Thanks for an! Bug though update: Related questions using a Machine get the column description for the cookies in middle... Know about cursor.description to get help, clarification, or responding to other.... V.4.0.24 - v.4.0.25 ) is this exposed to SQL injection attacks packages with reviews, metrics categories! Must recreate self.cursor return always the column names set before creating the cursor, so must... On GitHub Evaluating the limit of two equations by the left side is equal to dividing the right side the. N'T fix it, please reopen this, but is there a free software for modeling and graphical crystals! Col.Column_Name ), TypeError: bad argument type for built-in operation, did put... Officer mean by `` I 'm pretty sure it will database cursors map ODBC! Looks like the SQL statement itself is the minimum pyodbc cursor description I should have from them that does work, up... Always better somewhere in the scenario you described, I would normally expect a count... & categories probably want to look at the last one in Python yet released and collaborate around the you...

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