- Qsqldatabase Qpsql Driver Not Loaded Key
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- Qsqlite Driver Not Loaded
- Feb 20, 2019 reload creator and voila your mysql driver is perfectly loaded; So basically for those who want to understand what happened here: That 'qsqlmysql' plugin is basically a qt interface that uses mysql-C connector methods. But unfortunately this connector does not distributed with Qt, so you should provide it by yourself.
- QSqlDatabase is a value class. Changes made to a database connection via one instance of QSqlDatabase will affect other instances of QSqlDatabase that represent the same connection. Use cloneDatabase to create an independent database connection based on an existing one. Warning: It is highly recommended that you do not keep a copy of the QSqlDatabase around as a member of a class.
- QSqlDatabase: QMYSQL driver not loaded QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL7. To copy to clipboard, switch view to plain text mode. Then following some suggestion in the web - I copied the qsqlmysql.dll, qsqlmysqld.dll,libmysql.dll, libmysqld.dll files to the project folder.that didn't work.
- Jun 13, 2018 I have the following code that produces these results: ('QSQLITE', 'QMYSQL', 'QMYSQL3') QSqlDatabase: QMYSQL driver not loaded QSqlDatabase: available drivers: Stack Overflow. Log In Sign Up. QMYSQL driver available but not loaded. Available drivers: QSQLITE QODBC QODBC3 QPSQL QPSQL7. Qt5.2 can find the mysql driver but can not load.
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QSqlDatabase: unknown driver not loaded. QSqlDatabase: available drivers: QSQLITE QPSQL QPSQL7 'uFFFF:Driver not loaded Driver not loaded' As the above available drivers I have my.so files at the 'sqldriver' folder in Qt plugins folder. Ldd on my executable and also on the library files are fine and dependencies are found. Hi All, I'm trying to make a program that inserts a record into a database. I can't connect to the database. I get the following error: QSqlDatabase: QMYSQL driver not loaded QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL.
When i tried to connect to mysql, there is a error:
So i googled it, and i tried :
1.Copy sqldrivers folders to C:QtQt5.8.05.8mingw53_32plugins
2.Copy libmysql.dll to C:QtQt5.8.05.8mingw53_32bin
but the error is still there.
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Is there anything i am missing?
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Xi ChenXi Chen
5 Answers
There are 64 bit and 32 bit versions of
libmysql.dll
.rebuilding the Qt Driver is NOT a must.With the prebuilt version of Qt5.9.1, you still need to use the 32 bit version, it worked even with the 64 version of MySQL installation. without any rebuild of QT plugins or components.Download 32 bit MySQL connector here
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Mohammad A KananMohammad A Kanan3,07910 gold badges15 silver badges30 bronze badges
If anyone is stupid as i am so that's for you:What basically you should do is
- go to https://downloads.mysql.com/archives/c-c/ and download specifically C !!!!!! MysqlConnector;
- place 'libmysql.dll' and 'libmysql.lib' ('mysql-connector-c-6.1.11-winx64.zipmysql-connector-c-6.1.11-winx64lib') into 'c:path_to_qtqt_versionyour_compilerbin' for me it looked like 'c:Qt5.12.1mingw73_64bin';
- reload creator and voila your mysql driver is perfectly loaded;
So basically for those who want to understand what happened here:
That 'qsqlmysql' plugin is basically a qt interface that uses mysql-C connector methods.But unfortunately this connector does not distributed with Qt, so you should provide it by yourself.
If you want to distribute your software you should copy 'libmysql.dll' into the folder with your '.exe' file.
I hope this will help someone save some time (3hours for me :) ).
APetrovskyAPetrovsky
Qsqldatabase Qpsql Driver Not Loaded Key
This error generally means that Qt MySQL plugin is fine (as it is listed in available drivers), but you are a missing the MySQL dll (thus preventing the driver to load).
The way to fix it is to place
libmysql.dll
somewhere in your PATH, e.g. adding the MySQL installation folder to PATH, or copy libmysql.dll
in the same folder you have your exe in.Benjamin TBenjamin T
- You must rebuild mysql driver.
- Follow this guideNote: you need 3 things:a. qt-opensource-xxx-mingw492-xxx.exe for Qt Creator and Qt command Prompt.b.qt-everywhere-opensource-src-xxx.zip for Qt source code, needed for mysql.pro file.c.mysql-connector-c-6.1.10-win32.zip needed for lib and include folder.
dantedante
I had the same problem. I could solved it by following Benjamin T advise. - Windows 10 - python 3.7 - PyQt5 - I copied the libmysql.dll file from the python 3.7/lib/site-packages folder to the Python 3.7 executable folder and everything started working just fine!
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