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I had complied qsqlmysql.dll.

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  • yuyuY yuyu

    @jsulm I can not connect my mysql database .

    NevezN Offline
    NevezN Offline
    Nevez
    wrote on last edited by
    #17

    @yuyu Still getting driver not installed error? and yes share the result of db.open() as well.

    1 Reply Last reply
    0
    • jsulmJ jsulm

      @yuyu What does db.open() return?
      What does https://doc.qt.io/qt-5/qsqldatabase.html#lastError return after open() call?

      yuyuY Offline
      yuyuY Offline
      yuyu
      wrote on last edited by
      #18

      @jsulm false

      jsulmJ 1 Reply Last reply
      0
      • yuyuY yuyu

        @jsulm false

        jsulmJ Offline
        jsulmJ Offline
        jsulm
        Lifetime Qt Champion
        wrote on last edited by
        #19

        @yuyu I asked two questions. Would you be so kind to also answer the second one?

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

        yuyuY 1 Reply Last reply
        0
        • jsulmJ jsulm

          @yuyu I asked two questions. Would you be so kind to also answer the second one?

          yuyuY Offline
          yuyuY Offline
          yuyu
          wrote on last edited by
          #20

          @Nevez yes,but I had install it. it return false.
          sometime has
          42e82386-47d7-4a05-91c6-2934dd95689d-image.png

          qt.core.plugin.loader: QLibraryPrivate::loadPlugin failed on "C:/Qt/6.3.0/mingw_64/plugins/sqldrivers/qsqlmysql.dll" : "Cannot load library C:\\Qt\\6.3.0\\mingw_64\\plugins\\sqldrivers\\qsqlmysql.dll:
          
          jsulmJ NevezN 2 Replies Last reply
          0
          • yuyuY yuyu

            @Nevez yes,but I had install it. it return false.
            sometime has
            42e82386-47d7-4a05-91c6-2934dd95689d-image.png

            qt.core.plugin.loader: QLibraryPrivate::loadPlugin failed on "C:/Qt/6.3.0/mingw_64/plugins/sqldrivers/qsqlmysql.dll" : "Cannot load library C:\\Qt\\6.3.0\\mingw_64\\plugins\\sqldrivers\\qsqlmysql.dll:
            
            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #21

            @yuyu I'm confused: before you posted output showing that the plug-in was loaded.
            Now you posted output showing that it could not be loaded.

            Please do again what was suggested before: set QT_DEBUG_PLUGINS and if the plug-in fails to load post the output here...

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

            yuyuY 1 Reply Last reply
            0
            • jsulmJ jsulm

              @yuyu I'm confused: before you posted output showing that the plug-in was loaded.
              Now you posted output showing that it could not be loaded.

              Please do again what was suggested before: set QT_DEBUG_PLUGINS and if the plug-in fails to load post the output here...

              yuyuY Offline
              yuyuY Offline
              yuyu
              wrote on last edited by
              #22

              @jsulm you can try it ,it may be a problem,you can use mysql 8.0.28 and qt6.3 , you can find this error.

              jsulmJ 1 Reply Last reply
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              • yuyuY yuyu

                @jsulm you can try it ,it may be a problem,you can use mysql 8.0.28 and qt6.3 , you can find this error.

                jsulmJ Offline
                jsulmJ Offline
                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #23

                @yuyu I'm not going to try anything.
                I suggested what you can do to get help.
                It is up to you to do that or not...

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

                yuyuY 1 Reply Last reply
                0
                • jsulmJ jsulm

                  @yuyu I'm not going to try anything.
                  I suggested what you can do to get help.
                  It is up to you to do that or not...

                  yuyuY Offline
                  yuyuY Offline
                  yuyu
                  wrote on last edited by
                  #24

                  @jsulm I think it's a waste of time, regardless of the problem

                  1 Reply Last reply
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                  • yuyuY yuyu

                    @Nevez yes,but I had install it. it return false.
                    sometime has
                    42e82386-47d7-4a05-91c6-2934dd95689d-image.png

                    qt.core.plugin.loader: QLibraryPrivate::loadPlugin failed on "C:/Qt/6.3.0/mingw_64/plugins/sqldrivers/qsqlmysql.dll" : "Cannot load library C:\\Qt\\6.3.0\\mingw_64\\plugins\\sqldrivers\\qsqlmysql.dll:
                    
                    NevezN Offline
                    NevezN Offline
                    Nevez
                    wrote on last edited by
                    #25

                    @yuyu
                    I am using Mysql 8.x.x and QT 6.2.3. Mysql works fine too.
                    According to the error you get, you may have placed the relevant DLL in the wrong place or you may have used the wrong version DLL.
                    There was a video on youtube that did this well. You will find it on your first search.

                    yuyuY 1 Reply Last reply
                    0
                    • NevezN Nevez

                      @yuyu
                      I am using Mysql 8.x.x and QT 6.2.3. Mysql works fine too.
                      According to the error you get, you may have placed the relevant DLL in the wrong place or you may have used the wrong version DLL.
                      There was a video on youtube that did this well. You will find it on your first search.

                      yuyuY Offline
                      yuyuY Offline
                      yuyu
                      wrote on last edited by
                      #26

                      @Nevez said in I had complied qsqlmysql.dll.:

                      I am using Mysql 8.x.x and QT 6.2.3. Mysql works fine too.
                      According to the error you get, you may have placed the relevant DLL in the wrong place or you may have used the wrong version DLL.
                      There was a video on youtube that did this well. You will find it on your first search.

                      I user mysql >8.0.19,I see the doc, tha say
                      87882de6-de9b-4b19-9f2b-eec86429632f-image.png

                      NevezN 1 Reply Last reply
                      0
                      • yuyuY yuyu

                        @Nevez said in I had complied qsqlmysql.dll.:

                        I am using Mysql 8.x.x and QT 6.2.3. Mysql works fine too.
                        According to the error you get, you may have placed the relevant DLL in the wrong place or you may have used the wrong version DLL.
                        There was a video on youtube that did this well. You will find it on your first search.

                        I user mysql >8.0.19,I see the doc, tha say
                        87882de6-de9b-4b19-9f2b-eec86429632f-image.png

                        NevezN Offline
                        NevezN Offline
                        Nevez
                        wrote on last edited by
                        #27

                        @yuyu
                        so i am using 8.0.27, i recommend you too.

                        yuyuY 1 Reply Last reply
                        0
                        • NevezN Nevez

                          @yuyu
                          so i am using 8.0.27, i recommend you too.

                          yuyuY Offline
                          yuyuY Offline
                          yuyu
                          wrote on last edited by
                          #28

                          @Nevez en,than you very much .I think it is ok ,I will use 8.0.27.That is a good idea.

                          1 Reply Last reply
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