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Can't working MYSQL database in qt (QSqlDatabase: available drivers: QSQLITE QODBC QPSQL)

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  • L Lestev

    @jsulm Thanks, i get it, but how i can use run in terminal project?, i wrote:

    migellestev@Migels-MacBook-Pro forBeginner % c++ main.cpp
    main.cpp:1:10: fatal error: 'QGuiApplication' file not found
    #include <QGuiApplication>
    ^~~~~~~~~~~~~~~~~
    1 error generated.

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by
    #22

    @Lestev I did not ask you to build your app in the terminal, that you can still do in QtCreator.
    What I asked you to do is to run the executable of your application.

    https://forum.qt.io/topic/113070/qt-code-of-conduct

    L 1 Reply Last reply
    0
    • jsulmJ jsulm

      @Lestev I did not ask you to build your app in the terminal, that you can still do in QtCreator.
      What I asked you to do is to run the executable of your application.

      L Offline
      L Offline
      Lestev
      wrote on last edited by
      #23

      @jsulm hey, the terminal doesn't output anything, it only launches the application

      migellestev@Migels-MacBook-Pro build-forBeginner-Clone_of_Qt_6_2_2_for_macOS-Debug % export QT_DEBUG_PLUGINS=1
      migellestev@Migels-MacBook-Pro build-forBeginner-Clone_of_Qt_6_2_2_for_macOS-Debug % open forBeginner.app
      migellestev@Migels-MacBook-Pro build-forBeginner-Clone_of_Qt_6_2_2_for_macOS-Debug %

      Everything works, but inside qt error is keeping

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #24

        Don't call open, use the full path to the executable in the bundle.

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

        L 1 Reply Last reply
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        • SGaistS SGaist

          Don't call open, use the full path to the executable in the bundle.

          L Offline
          L Offline
          Lestev
          wrote on last edited by
          #25

          @SGaist hi, I think my directory is not properly defined because it should be /Users/migellestev/Qt/6.2.3/macos/plugins/sqldrivers
          but directory is:
          /Users/migellestev/Qt/QtDesignStudio/qt6_design_studio_reduced_version/plugins/sqldrivers

          if it helps:
          Screenshot 2022-02-24 at 21.23.40.png
          Screenshot 2022-02-24 at 21.24.05.png

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          • Christian EhrlicherC Offline
            Christian EhrlicherC Offline
            Christian Ehrlicher
            Lifetime Qt Champion
            wrote on last edited by
            #26

            Looks like you're mixing up Qt versions which is not possible. Make sure QtDesignStudio is not picked up, only your Qt6.2.2 where you also (hopefully) build your Qt mysql plugin for. Currently it looks like you created (or had by default - don't know) the plugin inside QtDesignStudio.

            Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
            Visit the Qt Academy at https://academy.qt.io/catalog

            L 1 Reply Last reply
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            • Christian EhrlicherC Christian Ehrlicher

              Looks like you're mixing up Qt versions which is not possible. Make sure QtDesignStudio is not picked up, only your Qt6.2.2 where you also (hopefully) build your Qt mysql plugin for. Currently it looks like you created (or had by default - don't know) the plugin inside QtDesignStudio.

              L Offline
              L Offline
              Lestev
              wrote on last edited by
              #27

              @Christian-Ehrlicher
              Thanks for your response very much,
              But i verify my path and got that this path used by default, but why?

              Screenshot 2022-02-28 at 07.03.14.png

              I reinstalled qt and got the same

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              • Christian EhrlicherC Offline
                Christian EhrlicherC Offline
                Christian Ehrlicher
                Lifetime Qt Champion
                wrote on last edited by
                #28

                Don't know MacOS but on linux this means you have the other somewhere in your LD_LIBRARY_PATH or ld.so.conf. Remove it /make sure the correct path comes first.

                Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                Visit the Qt Academy at https://academy.qt.io/catalog

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                • I Offline
                  I Offline
                  Ilya Pro
                  wrote on last edited by Ilya Pro
                  #29

                  Hello!
                  Error
                  /Users/ilaproskurnev/Qt/6.2.3/macos/bin/qt-cmake: line 17: exec: cmake: not found
                  If export PATH="/Users/ilaproskurnev/Qt/6.2.3/macos/bin:$PATH"
                  qt-cmake -G Ninja /Users/ilaproskurnev/Qt/6.2.3/Src/qtbase/src/plugins/sqldrivers -DCMAKE_INSTALL_PREFIX=/Users/ilaproskurnev/Qt/6.2.3/macos -DMySQL_INCLUDE_DIR="/usr/local/mysql/include" -DMySQL_LIBRARY="/usr/local/mysql/lib/libmysqlclient.dylib"
                  line 17: exec: cmake: not found

                  1 Reply Last reply
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                  • Christian EhrlicherC Offline
                    Christian EhrlicherC Offline
                    Christian Ehrlicher
                    Lifetime Qt Champion
                    wrote on last edited by
                    #30

                    Then make sure that cmake is installed and in your PATH...

                    Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                    Visit the Qt Academy at https://academy.qt.io/catalog

                    I 1 Reply Last reply
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                    • Christian EhrlicherC Christian Ehrlicher

                      Then make sure that cmake is installed and in your PATH...

                      I Offline
                      I Offline
                      Ilya Pro
                      wrote on last edited by Ilya Pro
                      #31

                      @Christian-Ehrlicher
                      Please tell me how to check it?
                      exec "$cmake_path" -DCMAKE_TOOLCHAIN_FILE="$toolchain_path" "$@"

                      Christian EhrlicherC 1 Reply Last reply
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                      • I Ilya Pro

                        @Christian-Ehrlicher
                        Please tell me how to check it?
                        exec "$cmake_path" -DCMAKE_TOOLCHAIN_FILE="$toolchain_path" "$@"

                        Christian EhrlicherC Offline
                        Christian EhrlicherC Offline
                        Christian Ehrlicher
                        Lifetime Qt Champion
                        wrote on last edited by
                        #32

                        @Ilya-Pro said in Can't working MYSQL database in qt (QSqlDatabase: available drivers: QSQLITE QODBC QPSQL):

                        Please tell me how to check it?

                        I don't understand. If you want to build Qt or one of it's plugins you have to install cmake and make sure it's found in your PATH.

                        Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
                        Visit the Qt Academy at https://academy.qt.io/catalog

                        I 1 Reply Last reply
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                        • Christian EhrlicherC Christian Ehrlicher

                          @Ilya-Pro said in Can't working MYSQL database in qt (QSqlDatabase: available drivers: QSQLITE QODBC QPSQL):

                          Please tell me how to check it?

                          I don't understand. If you want to build Qt or one of it's plugins you have to install cmake and make sure it's found in your PATH.

                          I Offline
                          I Offline
                          Ilya Pro
                          wrote on last edited by Ilya Pro
                          #33

                          @Christian-Ehrlicher
                          QtToolchainHelpers.cmake
                          toolchain_path="$script_dir_path/../lib/cmake/Qt6/qt.toolchain.cmake"
                          screenshot

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