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QSqlTableModel insertRecord() returns true but nothing is saved in database

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  • S Offline
    S Offline
    snow45
    wrote on last edited by
    #7

    I've checked that and tried them all without success. After calling insertRecord() I can see the row was inserted in memory but just not saved to disk, ever. Is there anyway to flush it to disk?

    I even switched over to QSqlQuery instead of using QSqlRecord and QSqlTableModel and had the same result. Could this be a linux issue somehow? As I mentioned before I only see this behavior on the first boot off a drive. Works like a charm after that.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      And if you remove the QSQLITE_ENABLE_SHARED_CACHE option ?

      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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      • S Offline
        S Offline
        snow45
        wrote on last edited by
        #9

        Problem exists with or without that option.

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #10

          Can you create a minimal compilable example that shows this behavior ?

          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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          • S Offline
            S Offline
            snow45
            wrote on last edited by
            #11

            I will try and put one together. Been super busy with other things that need done asap.

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            • S Offline
              S Offline
              snow45
              wrote on last edited by
              #12

              What's the best way to post this? Can't add attachments and it's a lot of code to post in a reply.

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #13

                You can use e.g. "pastebin":http://pastebin.com

                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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                • S Offline
                  S Offline
                  snow45
                  wrote on last edited by
                  #14

                  In that case check "here":https://gist.github.com/snow45/61cea39423b79c61e10f

                  Remember I only see this behavior with the setup initially described.

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                  • S Offline
                    S Offline
                    snow45
                    wrote on last edited by
                    #15

                    I found the problem. I used the command lsattr to look at file attributes on my database files and found that when I opened App 2 for the first time I was deleting the shared database out from under App 1 and recreating it. Just had to fix that and everything works like I would expect.

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #16

                      Out of curiosity, how was it doing it ?

                      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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