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Forum Update on Monday, May 27th 2025

[SOLVED]MySQL library problem

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mysqldriverpluginsql
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  • S SGaist
    27 Jun 2015, 20:25

    Which version of OS X and Qt are you using ?

    I've corrected the example line

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    cpuin
    wrote on 27 Jun 2015, 20:31 last edited by
    #22

    @SGaist

    OS X 10.10.3
    QT 5.4

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    • S SGaist
      27 Jun 2015, 20:25

      Which version of OS X and Qt are you using ?

      I've corrected the example line

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      cpuin
      wrote on 27 Jun 2015, 20:38 last edited by cpuin
      #23

      @SGaist said:

      PATH_TO_libqsqlmysql.dylib

      install_name_tool -change /opt/local/lib/mysql55/mysql/libmysqlclient.18.dylib /usr/local/mysql-5.6.25-osx10.8-x86_64/lib/libmysqlclient.18.dylib Users/jorost/Qt5.4.2/5.4/clang_64/plugins/sqldrivers/libqsqlmysql.dylib
      error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/install_name_tool: can't open file: Users/jorost/Qt5.4.2/5.4/clang_64/plugins/sqldrivers/libqsqlmysql.dylib (No such file or directory)

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        SGaist
        Lifetime Qt Champion
        wrote on 27 Jun 2015, 20:44 last edited by
        #24

        You're missing a slash before Users

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        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

        C 1 Reply Last reply 27 Jun 2015, 20:46
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        • S SGaist
          27 Jun 2015, 20:44

          You're missing a slash before Users

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          cpuin
          wrote on 27 Jun 2015, 20:46 last edited by
          #25

          @SGaist
          Now i got only Postgre error

          ERROR: no file at "/usr/local/lib/libpq.5.dylib"

          Does it mean that i have working mysql plugin?

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            SGaist
            Lifetime Qt Champion
            wrote on 27 Jun 2015, 21:43 last edited by
            #26

            You should, unless the libmysqlclient is very different from the one Qt was built with.

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

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              cpuin
              wrote on 28 Jun 2015, 20:55 last edited by
              #27

              I have now mysql working, but i still can't have working app because of this:
              ERROR: no file at "/usr/local/lib/libpq.5.dylib"

              This is not very good approach: include all plug-ins w/out need of them.

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              • S Offline
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                SGaist
                Lifetime Qt Champion
                wrote on 28 Jun 2015, 20:58 last edited by
                #28

                That's the PostgreSQL plugin. Like I suggested before, just remove the plugins you don't need from your bundle.

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

                C 1 Reply Last reply 29 Jun 2015, 08:14
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                • S SGaist
                  28 Jun 2015, 20:58

                  That's the PostgreSQL plugin. Like I suggested before, just remove the plugins you don't need from your bundle.

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                  cpuin
                  wrote on 29 Jun 2015, 08:14 last edited by
                  #29

                  @SGaist

                  As i answered before when removing all other plugins from the bundle, the app doesn't open!

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                    SGaist
                    Lifetime Qt Champion
                    wrote on 30 Jun 2015, 12:52 last edited by
                    #30

                    I didn't suggest to remove all other plugins, just the SQL related plugins you don't use

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

                    C 1 Reply Last reply 30 Jun 2015, 13:03
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                    • S SGaist
                      30 Jun 2015, 12:52

                      I didn't suggest to remove all other plugins, just the SQL related plugins you don't use

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                      cpuin
                      wrote on 30 Jun 2015, 13:03 last edited by
                      #31

                      @SGaist Exactly, i left only sqlite plugin and the app doesn't open

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                      • S Offline
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                        SGaist
                        Lifetime Qt Champion
                        wrote on 30 Jun 2015, 13:07 last edited by
                        #32

                        Start it from the command line, what does it tell you ?

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

                        C 1 Reply Last reply 30 Jun 2015, 13:37
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                        • S SGaist
                          30 Jun 2015, 13:07

                          Start it from the command line, what does it tell you ?

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                          cpuin
                          wrote on 30 Jun 2015, 13:37 last edited by cpuin
                          #33

                          @SGaist Strangely the ERROR disappear and working app bundle was created w/out changing anything.Unfortunately the app created database.db in the path i set (in this case in the program.app/contents/MacOS but can't write inside!

                          Starting the app from QT can write in to the db, but starting it outside Qt doesn't write, but creates it.

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                          • S Offline
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                            SGaist
                            Lifetime Qt Champion
                            wrote on 30 Jun 2015, 16:44 last edited by
                            #34

                            You need to use a writable path (look at QStandardPaths) Writing in the bundle itself is not something to do and it's even prohibited if you use the App Store to distribute your application.

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

                            C 1 Reply Last reply 1 Jul 2015, 14:54
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                            • S SGaist
                              30 Jun 2015, 16:44

                              You need to use a writable path (look at QStandardPaths) Writing in the bundle itself is not something to do and it's even prohibited if you use the App Store to distribute your application.

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                              cpuin
                              wrote on 1 Jul 2015, 14:54 last edited by
                              #35

                              @SGaist

                              Do you tell me that Qt Desktop application can be submitted in Apple App Store?As i know they don't allowed external frameworks?

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                              • S Offline
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                                SGaist
                                Lifetime Qt Champion
                                wrote on 1 Jul 2015, 23:43 last edited by
                                #36

                                Yes, you can, they have restriction but no, external frameworks are not prohibited.

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

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