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Column 1 out of range although datas aren't missing and data are showing properly

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  • artwawA artwaw

    @Thank-You How does it compare then you run the query directly on the db server? How many rows do you get back?

    Thank YouT Offline
    Thank YouT Offline
    Thank You
    wrote on last edited by
    #3

    @artwaw
    It gives me the exact data present in output. They have same data and same no. of rows.

    Thank You

    Let's make QT free or It will go forever

    TRUE AND FALSE <3

    artwawA 1 Reply Last reply
    0
    • Thank YouT Thank You

      @artwaw
      It gives me the exact data present in output. They have same data and same no. of rows.

      Thank You

      artwawA Offline
      artwawA Offline
      artwaw
      wrote on last edited by
      #4

      @Thank-You Can you include in qDebug() query.size()? Also examining result() comes to mind.
      It is absolutely odd.

      For more information please re-read.

      Kind Regards,
      Artur

      Thank YouT 1 Reply Last reply
      0
      • artwawA artwaw

        @Thank-You Can you include in qDebug() query.size()? Also examining result() comes to mind.
        It is absolutely odd.

        Thank YouT Offline
        Thank YouT Offline
        Thank You
        wrote on last edited by
        #5

        @artwaw

        Can you include in qDebug() query.size()?

        It gives me 9

        Also examining result() comes to mind.

        Sorry I am not aware of this thing. I tried reading docs but I am not getting this thing. 😂😂 LOL

        Let's make QT free or It will go forever

        TRUE AND FALSE <3

        artwawA 1 Reply Last reply
        0
        • Thank YouT Thank You

          @artwaw

          Can you include in qDebug() query.size()?

          It gives me 9

          Also examining result() comes to mind.

          Sorry I am not aware of this thing. I tried reading docs but I am not getting this thing. 😂😂 LOL

          artwawA Offline
          artwawA Offline
          artwaw
          wrote on last edited by
          #6

          @Thank-You Which Qt version do you use and what sort of MySql db runs as your db server? I'll try to reproduce this behaviour.

          For more information please re-read.

          Kind Regards,
          Artur

          Thank YouT 1 Reply Last reply
          1
          • artwawA artwaw

            @Thank-You Which Qt version do you use and what sort of MySql db runs as your db server? I'll try to reproduce this behaviour.

            Thank YouT Offline
            Thank YouT Offline
            Thank You
            wrote on last edited by
            #7

            @artwaw
            I should have included it at first
            QT 5.12.8 and mysql
            Server version: 10.4.18-MariaDB - binary distribution
            Apache/2.4.46 (Win64) OpenSSL/1.1.1j PHP/8.0.3
            Database client version: libmysql - mysqlnd 8.0.3
            Are these sufficient ?

            Let's make QT free or It will go forever

            TRUE AND FALSE <3

            artwawA JonBJ 2 Replies Last reply
            0
            • Thank YouT Thank You

              @artwaw
              I should have included it at first
              QT 5.12.8 and mysql
              Server version: 10.4.18-MariaDB - binary distribution
              Apache/2.4.46 (Win64) OpenSSL/1.1.1j PHP/8.0.3
              Database client version: libmysql - mysqlnd 8.0.3
              Are these sufficient ?

              artwawA Offline
              artwawA Offline
              artwaw
              wrote on last edited by
              #8

              @Thank-You As long as you use MinGW I should be fine;) I'll get back to you once I download and install this ancient version of Qt (you should update it to 5.15.2 and see if that helps by the way).

              For more information please re-read.

              Kind Regards,
              Artur

              1 Reply Last reply
              1
              • Thank YouT Thank You

                @artwaw
                I should have included it at first
                QT 5.12.8 and mysql
                Server version: 10.4.18-MariaDB - binary distribution
                Apache/2.4.46 (Win64) OpenSSL/1.1.1j PHP/8.0.3
                Database client version: libmysql - mysqlnd 8.0.3
                Are these sufficient ?

                JonBJ Offline
                JonBJ Offline
                JonB
                wrote on last edited by
                #9

                @Thank-You
                There is clearly a problem in this area out there, i.e. you are not alone. (There is nothing wrong with your code.) See Qt, MySQL: QMYSQLResult::data: column 1 out of range that only happens sometimes

                Try different version of Qt and/or mysql driver?

                Thank YouT 2 Replies Last reply
                1
                • JonBJ JonB

                  @Thank-You
                  There is clearly a problem in this area out there, i.e. you are not alone. (There is nothing wrong with your code.) See Qt, MySQL: QMYSQLResult::data: column 1 out of range that only happens sometimes

                  Try different version of Qt and/or mysql driver?

                  Thank YouT Offline
                  Thank YouT Offline
                  Thank You
                  wrote on last edited by
                  #10

                  @JonB
                  Then I think I shouldn't take much stress in this. If codes become compatible with newer version of QT I will go with it. For now I will go with this. I have not tried QT 5.15.2 @artwaw Are the codes of QT 5.12.8 compatible with that version ?

                  Let's make QT free or It will go forever

                  TRUE AND FALSE <3

                  artwawA 1 Reply Last reply
                  0
                  • Thank YouT Thank You

                    @JonB
                    Then I think I shouldn't take much stress in this. If codes become compatible with newer version of QT I will go with it. For now I will go with this. I have not tried QT 5.15.2 @artwaw Are the codes of QT 5.12.8 compatible with that version ?

                    artwawA Offline
                    artwawA Offline
                    artwaw
                    wrote on last edited by
                    #11

                    @Thank-You Mostly yes. A few minor changes in QString (parameters for split() moved from QString:: to Qt::) that I noticed.
                    I also tested this with current stable MariaDB on Debian, no issued for over a 100 selects in the row.

                    For more information please re-read.

                    Kind Regards,
                    Artur

                    1 Reply Last reply
                    0
                    • JonBJ JonB

                      @Thank-You
                      There is clearly a problem in this area out there, i.e. you are not alone. (There is nothing wrong with your code.) See Qt, MySQL: QMYSQLResult::data: column 1 out of range that only happens sometimes

                      Try different version of Qt and/or mysql driver?

                      Thank YouT Offline
                      Thank YouT Offline
                      Thank You
                      wrote on last edited by
                      #12

                      @JonB Although it is kinda late but l am currently using QT 5.15.2. But also getting same result. I used the drivers from https://github.com/thecodemonkey86/qt_mysql_driver/releases
                      I don't know any other drivers for this

                      Let's make QT free or It will go forever

                      TRUE AND FALSE <3

                      1 Reply Last reply
                      0

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