If you poke around in the pyqt andor qt directories maybe youll spot a dll that mentions sqlite. Since qt doesnt deliver the mysql driver by default, i had to created it myself. To implement a qt sql driver as a plugin so that it is recognized and loaded by the qt library at runtime, the driver must use. Please read the qt sql driver documentation for information how to build it. If \a type is not available or could not be loaded, isvalid returns false. I got the illusion that due to the license issue, qt wont build the driver for mysql database and you need to build it yourself. Qsqlite qmysql qmysql3 qpsql qpsql7 false example code to reproduce the error. Qmysql driver not loaded on windows michika iranga perera. App works perfectly except for access to postgresql server. I didnt investigate much about making the qmysql driver available in windows 10, but here is a workaround. I think you must play with a nf file telling the app where the plugins are, or do it programmatically its something. The qsqldatabase class provides an interface for accessing a database through a connection. Hot network questions calculate the digit sum inf in awk not working the way inf does unknown date format, neither date nor time in yyyymmdd hh. Qsqlite driver not loaded showing 16 of 6 messages.
Since qts sql module api is databaseindependent, all databasespecific code is. When implementing a qt sql driver, both of these classes must to be subclassed and the abstract virtual methods in each class must be implemented. If you distribute any of the plugins that come with qt the ones located in the plugins directory, you must copy the subdirectory under plugins. This project is created with qt on a windows system and requires a connection to a mysql database. Qt libraries and source code this are two separate files. You can recognize the problem from the following error. So the first thing to check is if the qt package for the mysql plugin is installed and install it if its not already installed. Qmysql driver not lo driver not loaded qmysql qt notloaded not loaded. This tutorial explains how to create the mysql driver for qt5 on windows using mingw. Apply to specialist, software engineer, delivery driver and more. Since qts sql module api is databaseindependent, all databasespecific code is contained within these drivers. This driver seems to work fine under the qt designer when trying to establish a database connection, but when i run my prog it comes up with.
Since i cant build the mysql driver, i try to make a connection to postgresql database like i saw the qpsql driver was available. I think you must play with a nf file telling the app where the plugins are, or do it. If \a connectionname is not specified, the new connection becomes the default connection for the application, and subsequent calls. Several drivers are supplied with qt and other drivers can be added. But when i want to connect, i have got the message qpsql driver not loaded.
The connection provides access to the database via one of the supported database drivers, which are derived from qsqldriver. If you poke around in the pyqt andor qt directories maybe youll spot a. Sometimes i have seen weird backtrack strategies for paths. Probably you will discover that qt is not able to find it. We have done no testing with the qt sql drivers and do not expect to. Qsqlite qodbc qodbc3 qpsql qpsql7 unable to connect to the database check your connection details. I saw in other threads the same problem, but there it had been solved or at least it seems so by reading them simply installing the libqt4sqlmysql package there were dependency problems to solve or simply the package was not installed at all. As you might have seen im working on the esheet project of the royal belgian ice hockey federation rbihf. From your description and the code above, it sounds like qt is dynamically loading database drivers this language implies to me that they are loaded dynamically which would mean that py2exe cant detect that theyre needed. An instance of qsqldatabase represents the connection. Note that we are deprecating the use of the qt database layer with 3.
Jun 14, 2014 qmysql driver not loaded on windows michika iranga perera. The qtsql module uses driver plugins to communicate with the different database apis. Alternatively, you can subclass your own database driver from qsqldriver. Some drivers, such as the qpsql driver, may may require you to pass tablename in lower case if the table was not quoted when created. Use the qtsql parameter to build the database driver statically into your.
I am trying to use qt to open a mysql database using python. The long story begins when i tried to use mysql as in. If the driver is still not loaded, make sure you clear the cache. See the qt sql driver documentation for more information. Create mysql driver for qt5 on windows seppe magiels. I am trying to implement a database system in my qt application. Aussi, au debut, qmysql netait pas installer, je sais pas pourquoi, et donc jai du telecharger et mettre qsqlmysql. When a driver is instantiated with a connection handle or set of handles, qt assumes that you have. Create mysql driver for qt on windows seppe magiels.