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Selecting data from mysql using qt?

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  • D Offline
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    doforumda
    wrote on last edited by
    #92

    with which editor i can view that .conf file. with gedit or something.

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    • L Offline
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      lyuts
      wrote on last edited by
      #93

      [quote author="¤ Dii ¤" date="1286881470"]
      You should find my.cnf in /etc/ or /etc/mysql/ ... I don't know ubuntu that much.[/quote]

      I don't think that this config will be in /etc. He uses lampp - a preconfigured bundle. That config might be in /opt/lampp.

      I'm a rebel in the S.D.G.

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      • D Offline
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        Dii
        wrote on last edited by
        #94

        BTW a quick sum:

        • mysql is installed
        • database and tables are created
        • access is granted
        • qt code looks fine

        I see two possibilities here: libmysqlclient is missing, or the socket file is at different place.

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        • D Offline
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          doforumda
          wrote on last edited by
          #95

          the file my.cnf is in etc/mysql folder

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          • D Offline
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            Dii
            wrote on last edited by
            #96

            doforumda: use gedit

            sudo gedit /etc/mysql/my.cnf

            at least most of the ubuntu machines have the config file there.

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            • D Offline
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              doforumda
              wrote on last edited by
              #97

              this is the socket line in my.cnf

              @
              socket = /var/run/mysqld/mysqld.sock
              @

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              • D Offline
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                Dii
                wrote on last edited by
                #98

                ok then the wrong socket guess was wrong... but let's make it sure:

                sudo ls -l /var/run/mysqld/*

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                • D Offline
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                  doforumda
                  wrote on last edited by
                  #99

                  after running this sudo ls -l /var/run/mysqld/* there is nothing inside run directory

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                  • D Offline
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                    Dii
                    wrote on last edited by
                    #100

                    uhmmmmmmm that's more than strange, the socket file should be there somewhere, let's find it:

                    find /var -name mysqld.sock

                    if no result:

                    find /opt -name mysqld.sock

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                    • D Offline
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                      doforumda
                      wrote on last edited by
                      #101

                      both of them didnt return any resutl

                      @
                      root@zafar-laptop:/# find /var -name mysqld.sock
                      root@zafar-laptop:/# find /opt -name mysqld.sock
                      root@zafar-laptop:/#
                      @

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                      • L Offline
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                        lyuts
                        wrote on last edited by
                        #102

                        I have bitnami lampp stack installed and when I start it then the socket file is created in /opt/lamppstack/mysql/tmp/mysql.sock. I think doforumda shoudl have similar directory and we need to check the permissions for that directory.

                        I'm a rebel in the S.D.G.

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                        • D Offline
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                          Dii
                          wrote on last edited by
                          #103

                          Usually that means, that the mysql daemon is not running... but the the command line should not work as well... ;(

                          It doesn't hurt to try to start the daemon:

                          sudo /etc/init.d/mysql start

                          ... and do the search for the socket file as above.

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                          • D Offline
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                            Dii
                            wrote on last edited by
                            #104

                            gosh, do the find with sudo:

                            sudo find /opt -name mysqld.sock
                            sudo find /var -name mysqld.sock

                            damn, I always forget that with ubuntu

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                            • D Offline
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                              Dii
                              wrote on last edited by
                              #105

                              lyuts: yes, if he have the socket file at the same place, we need to symlink it to the /var/... location and happy end :) I hope so.

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                              • D Offline
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                                doforumda
                                wrote on last edited by
                                #106

                                tyut: yes i have one file with the name of mysql.sock in /opt/lampp/var/mysql/mysql.sock

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                                • D Offline
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                                  doforumda
                                  wrote on last edited by
                                  #107

                                  the permissions on mysql.sock it read write exe for all types of users

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                                  • D Offline
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                                    Dii
                                    wrote on last edited by
                                    #108

                                    Great, don't give up, we are close :D

                                    ls -l /opt/lampp/var/mysql/*

                                    maybe you have another mysql config file somewhere:

                                    ls -l /opt/lampp/etc/my.cnf
                                    or
                                    ls -l /opt/lampp/etc/mysql/my.cnf
                                    ?

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                                    • D Offline
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                                      Dii
                                      wrote on last edited by
                                      #109

                                      gosh... all with sudo please

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                                        doforumda
                                        wrote on last edited by
                                        #110

                                        i got this output from this command sudo ls -l /opt/lampp/var/mysql/*

                                        the output is too long so i am posting it in pieces
                                        @
                                        root@zafar-laptop:/# ls -l opt/lampp/var/mysql/*
                                        -rw-rw---- 1 nobody nogroup 10485760 2010-10-10 22:58 opt/lampp/var/mysql/ibdata1
                                        -rw-rw---- 1 nobody nogroup 5242880 2010-10-11 12:20 opt/lampp/var/mysql/ib_logfile0
                                        -rw-rw---- 1 nobody nogroup 5242880 2010-10-09 20:01 opt/lampp/var/mysql/ib_logfile1
                                        srwxrwxrwx 1 nobody nogroup 0 2010-10-11 12:20 opt/lampp/var/mysql/mysql.sock
                                        -rw-r--r-- 1 nobody root 6 2008-12-02 10:52 opt/lampp/var/mysql/mysql_upgrade_info
                                        -rw-rw---- 1 nobody root 3658 2010-10-11 12:20 opt/lampp/var/mysql/zafar-laptop.err
                                        -rw-rw---- 1 nobody nogroup 5 2010-10-11 12:20 opt/lampp/var/mysql/zafar-laptop.pid

                                        opt/lampp/var/mysql/cdcol:
                                        total 20
                                        -rw-rw---- 1 nobody root 8658 2007-03-23 20:54 cds.frm
                                        -rw-rw---- 1 nobody root 172 2009-07-30 11:58 cds.MYD
                                        -rw-rw---- 1 nobody root 2048 2009-07-30 12:29 cds.MYI

                                        opt/lampp/var/mysql/mysql:
                                        total 5324
                                        -rw-rw---- 1 nobody root 8820 2008-12-02 10:52 columns_priv.frm
                                        -rw-rw---- 1 nobody root 23490 2008-12-02 10:52 columns_priv.MYD
                                        -rw-rw---- 1 nobody root 8192 2008-12-02 10:52 columns_priv.MYI
                                        -rw-rw---- 1 nobody root 9582 2008-12-02 10:52 db.frm
                                        -rw-rw---- 1 nobody root 2200 2010-10-11 21:41 db.MYD
                                        -rw-rw---- 1 nobody root 5120 2010-10-11 21:41 db.MYI
                                        -rw-rw---- 1 nobody root 10223 2008-12-02 10:52 event.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 event.MYD
                                        -rw-rw---- 1 nobody root 2048 2008-12-02 10:52 event.MYI
                                        -rw-rw---- 1 nobody root 8665 2008-12-02 10:52 func.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 func.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 func.MYI
                                        -rw-rw---- 1 nobody root 35 2008-12-02 12:19 general_log.CSM
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 general_log.CSV
                                        -rw-rw---- 1 nobody root 8776 2008-12-02 10:52 general_log.frm
                                        -rw-rw---- 1 nobody root 8700 2008-12-02 10:52 help_category.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 help_category.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 help_category.MYI
                                        -rw-rw---- 1 nobody root 8612 2008-12-02 10:52 help_keyword.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 help_keyword.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 help_keyword.MYI
                                        -rw-rw---- 1 nobody root 8630 2008-12-02 10:52 help_relation.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 help_relation.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 help_relation.MYI
                                        -rw-rw---- 1 nobody root 8770 2008-12-02 10:52 help_topic.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 help_topic.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 help_topic.MYI
                                        -rw-rw---- 1 nobody root 9510 2008-12-02 10:52 host.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 host.MYD
                                        -rw-rw---- 1 nobody root 2048 2008-12-02 10:52 host.MYI
                                        -rw-rw---- 1 nobody root 8778 2008-12-02 10:52 ndb_binlog_index.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 ndb_binlog_index.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 ndb_binlog_index.MYI
                                        -rw-rw---- 1 nobody root 8586 2008-12-02 10:52 plugin.frm
                                        -rw-rw---- 1 nobody root 1154 2009-04-10 10:16 plugin.MYD
                                        -rw-rw---- 1 nobody root 2048 2009-04-10 10:16 plugin.MYI
                                        -rw-rw---- 1 nobody root 9996 2008-12-02 10:52 proc.frm
                                        -rw-rw---- 1 nobody root 740 2008-12-02 12:14 proc.MYD
                                        -rw-rw---- 1 nobody root 4096 2008-12-02 12:19 proc.MYI
                                        -rw-rw---- 1 nobody root 8875 2008-12-02 10:52 procs_priv.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 procs_priv.MYD
                                        -rw-rw---- 1 nobody root 4096 2008-12-02 10:52 procs_priv.MYI
                                        -rw-rw---- 1 nobody root 8838 2008-12-02 10:52 servers.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 servers.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 servers.MYI
                                        -rw-rw---- 1 nobody root 35 2008-12-02 12:19 slow_log.CSM
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 slow_log.CSV
                                        -rw-rw---- 1 nobody root 8976 2008-12-02 10:52 slow_log.frm
                                        -rw-rw---- 1 nobody root 8955 2008-12-02 10:52 tables_priv.frm
                                        -rw-rw---- 1 nobody root 3404 2008-12-02 10:52 tables_priv.MYD
                                        -rw-rw---- 1 nobody root 8192 2008-12-02 10:52 tables_priv.MYI
                                        -rw-rw---- 1 nobody root 8636 2007-03-23 20:54 time_zone.frm
                                        -rw-rw---- 1 nobody root 8624 2008-12-02 10:52 time_zone_leap_second.frm
                                        -rw-rw---- 1 nobody root 0 2008-12-02 10:52 time_zone_leap_second.MYD
                                        -rw-rw---- 1 nobody root 1024 2008-12-02 10:52 time_zone_leap_second.MYI
                                        -rw-rw---- 1 nobody root 11795 2008-12-30 14:16 time_zone.MYD
                                        -rw-rw---- 1 nobody root 19456 2008-12-30 14:16 time_zone.MYI
                                        -rw-rw---- 1 nobody root 8606 2008-12-02 10:52 time_zone_name.frm
                                        -rw-rw---- 1 nobody root 331945 2008-12-30 14:16 time_zone_name.MYD
                                        -rw-rw---- 1 nobody root 37888 2008-12-30 14:16 time_zone_name.MYI
                                        -rw-rw---- 1 nobody root 8686 2008-12-30 14:16 time_zone_transition.frm
                                        -rw-rw---- 1 nobody root 1992570 2008-12-30 14:16 time_zone_transition.MYD
                                        -rw-rw---- 1 nobody root 2216960 2008-12-30 14:16 time_zone_transition.MYI
                                        -rw-rw---- 1 nobody root 8748 2008-12-30 14:16 time_zone_transition_type.frm
                                        -rw-rw---- 1 nobody root 293208 2008-12-30 14:16 time_zone_transition_type.MYD
                                        -rw-rw---- 1 nobody root 112640 2008-12-30 14:16 time_zone_transition_type.MYI
                                        -rw-rw---- 1 nobody root 10466 2008-12-02 10:52 user.frm
                                        -rw-rw---- 1 nobody root 388 2010-10-11 21:41 user.MYD
                                        -rw-rw---- 1 nobody root 2048 2010-10-11 21:41 user.MYI

                                        @

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                                        • D Offline
                                          D Offline
                                          doforumda
                                          wrote on last edited by
                                          #111

                                          @
                                          opt/lampp/var/mysql/phpmyadmin:
                                          total 144
                                          -rw-rw---- 1 nobody root 54 2004-12-06 15:56 db.opt
                                          -rw-rw---- 1 nobody root 8682 2007-03-23 20:54 pma_bookmark.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_bookmark.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_bookmark.MYI
                                          -rw-rw---- 1 nobody root 12964 2007-03-23 20:54 pma_column_info.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_column_info.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_column_info.MYI
                                          -rw-rw---- 1 nobody root 8704 2007-03-11 11:50 pma_designer_coords.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-11 11:50 pma_designer_coords.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-11 11:50 pma_designer_coords.MYI
                                          -rw-rw---- 1 nobody root 8730 2007-03-23 20:54 pma_history.frm
                                          -rw-rw---- 1 nobody root 560 2010-10-11 12:21 pma_history.MYD
                                          -rw-rw---- 1 nobody root 5120 2010-10-11 12:21 pma_history.MYI
                                          -rw-rw---- 1 nobody root 8644 2007-03-23 20:54 pma_pdf_pages.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_pdf_pages.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_pdf_pages.MYI
                                          -rw-rw---- 1 nobody root 8800 2007-03-23 20:54 pma_relation.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_relation.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_relation.MYI
                                          -rw-rw---- 1 nobody root 8708 2007-03-23 20:54 pma_table_coords.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_table_coords.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_table_coords.MYI
                                          -rw-rw---- 1 nobody root 8656 2007-03-23 20:54 pma_table_info.frm
                                          -rw-rw---- 1 nobody root 0 2007-03-23 20:54 pma_table_info.MYD
                                          -rw-rw---- 1 nobody root 1024 2007-03-23 20:54 pma_table_info.MYI

                                          opt/lampp/var/mysql/test:
                                          total 0

                                          opt/lampp/var/mysql/testTwo:
                                          total 24
                                          -rw-rw---- 1 nobody nogroup 65 2010-10-10 13:13 db.opt
                                          -rw-rw---- 1 nobody nogroup 8634 2010-10-10 13:14 testTable.frm
                                          -rw-rw---- 1 nobody nogroup 44 2010-10-10 13:15 testTable.MYD
                                          -rw-rw---- 1 nobody nogroup 2048 2010-10-10 22:58 testTable.MYI
                                          root@zafar-laptop:/#
                                          root@zafar-laptop:/# sudo ls -l opt/lampp/var/mysql/*
                                          -rw-rw---- 1 nobody nogroup 10485760 2010-10-10 22:58 opt/lampp/var/mysql/ibdata1
                                          -rw-rw---- 1 nobody nogroup 5242880 2010-10-11 12:20 opt/lampp/var/mysql/ib_logfile0
                                          -rw-rw---- 1 nobody nogroup 5242880 2010-10-09 20:01 opt/lampp/var/mysql/ib_logfile1
                                          srwxrwxrwx 1 nobody nogroup 0 2010-10-11 12:20 opt/lampp/var/mysql/mysql.sock
                                          -rw-r--r-- 1 nobody root 6 2008-12-02 10:52 opt/lampp/var/mysql/mysql_upgrade_info
                                          -rw-rw---- 1 nobody root 3658 2010-10-11 12:20 opt/lampp/var/mysql/zafar-laptop.err
                                          -rw-rw---- 1 nobody nogroup 5 2010-10-11 12:20 opt/lampp/var/mysql/zafar-laptop.pid

                                          @

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