mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-10-31 06:03:51 +01:00
5589d3fc97
* Added a 'STACK_SCHED_CODES' table to the database. * Dropped the 'STACK_LINES.SCHED_CODES' field from the database. * Incremented the database version to 308. * Renamed the 'SchedCartList' class to 'RDSchedCartList' and refactored it to be idiomatic Qt. * Renamed the 'SchedRulesList' class to 'RDSchedRulesList'.
452 lines
11 KiB
C++
452 lines
11 KiB
C++
// rddbmgr.cpp
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//
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// Rivendell database management utility
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//
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// (C) Copyright 2018 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <qapplication.h>
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#include <qfileinfo.h>
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#include <qsqldatabase.h>
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#include <qsqlerror.h>
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#include <qstringlist.h>
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#include <dbversion.h>
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#include <rdcmd_switch.h>
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#include <rddb.h>
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#include <rdescape_string.h>
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#include "rddbmgr.h"
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MainObject::MainObject(QObject *parent)
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: QObject(parent)
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{
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bool ok=false;
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db_command=MainObject::NoCommand;
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int set_schema=0;
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QString set_version="";
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QString station_name;
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bool generate_audio=false;
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db_verbose=false;
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db_yes=false;
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db_no=false;
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db_relink_audio="";
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db_relink_audio_move=false;
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//
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// Check that we're 'root'
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//
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if(geteuid()!=0) {
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fprintf(stderr,"rddbmgr: this utility requires root privileges\n");
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exit(1);
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}
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//
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// Load default DB credentials
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//
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db_config=new RDConfig();
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db_config->load();
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db_mysql_hostname=db_config->mysqlHostname();
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db_mysql_loginname=db_config->mysqlUsername();
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db_mysql_password=db_config->mysqlPassword();
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db_mysql_database=db_config->mysqlDbname();
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db_mysql_driver=db_config->mysqlDriver();
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db_mysql_engine=db_config->mysqlEngine();
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station_name=db_config->stationName();
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InitializeSchemaMap();
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//
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// Process Command Switches
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//
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RDCmdSwitch *cmd=
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new RDCmdSwitch(qApp->argc(),qApp->argv(),"rddbmgr",RDDBMGR_USAGE);
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for(unsigned i=0;i<cmd->keys();i++) {
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if(cmd->key(i)=="--check") {
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MainObject::Command command=MainObject::CheckCommand;
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if((db_command!=MainObject::NoCommand)&&
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(db_command!=MainObject::CheckCommand)) {
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fprintf(stderr,"rddbmgr: exactly one command must be specified\n");
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exit(1);
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}
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db_command=command;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--create") {
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MainObject::Command command=MainObject::CreateCommand;
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if((db_command!=MainObject::NoCommand)&&
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(db_command!=MainObject::CreateCommand)) {
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fprintf(stderr,"rddbmgr: exactly one command must be specified\n");
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exit(1);
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}
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db_command=command;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--modify") {
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MainObject::Command command=MainObject::ModifyCommand;
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if((db_command!=MainObject::NoCommand)&&
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(db_command!=MainObject::ModifyCommand)) {
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fprintf(stderr,"rddbmgr: exactly one command must be specified\n");
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exit(1);
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}
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db_command=command;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--generate-audio") {
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generate_audio=true;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-hostname") {
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db_mysql_hostname=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-loginname") {
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db_mysql_loginname=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-password") {
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db_mysql_password=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-database") {
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db_mysql_database=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-driver") {
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db_mysql_driver=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--mysql-engine") {
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db_mysql_engine=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--set-schema") {
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set_schema=cmd->value(i).toInt(&ok);
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if((!ok)||(set_schema<=0)) {
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fprintf(stderr,"rddbmgr: invalid schema\n");
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exit(1);
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}
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--set-version") {
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bool ok2=false;
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set_version=cmd->value(i);
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QStringList f0=f0.split(".",set_version);
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if(f0.size()==3) {
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ok2=true;
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for(int i=0;i<3;i++) {
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f0[i].toInt(&ok);
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ok2=ok2&&ok;
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}
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}
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if(!ok2) {
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fprintf(stderr,"rddbmgr: invalid version\n");
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exit(1);
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}
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--station-name") {
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station_name=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--verbose") {
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db_verbose=true;
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cmd->setProcessed(i,true);
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}
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//
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// --check options
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//
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if(cmd->key(i)=="--yes") {
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db_yes=true;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--no") {
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db_no=true;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--orphan-group") {
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db_orphan_group_name=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--dump-cuts-dir") {
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db_dump_cuts_dir=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--relink-audio") {
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db_relink_audio=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--relink-audio-move") {
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db_relink_audio_move=true;
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cmd->setProcessed(i,true);
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}
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if(cmd->key(i)=="--rehash") {
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db_rehash=cmd->value(i);
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cmd->setProcessed(i,true);
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}
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if(!cmd->processed(i)) {
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fprintf(stderr,"rddbmgr: unrecognized option \"%s\"\n",
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(const char *)cmd->key(i));
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exit(1);
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}
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}
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//
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// Sanity Checks
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//
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if((cmd->keys()>0)&&(db_command==MainObject::NoCommand)) {
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fprintf(stderr,"rddbmgr: exactly one command must be specified\n");
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exit(1);
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}
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if(db_yes&&db_no) {
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fprintf(stderr,"rddbmgr: '--yes' and '--no' are mutually exclusive\n");
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exit(1);
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}
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delete cmd;
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//
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// Sanity Checks for --check
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//
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if(db_command==MainObject::CheckCommand) {
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// Check for dump cuts directory
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if(!db_dump_cuts_dir.isEmpty()) {
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QFileInfo file(db_dump_cuts_dir);
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if(!file.exists()) {
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fprintf(stderr,"rddbmgr: directory \"%s\" does not exist.\n",
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(const char *)db_dump_cuts_dir);
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exit(1);
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}
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if(!file.isDir()) {
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fprintf(stderr,"rddbmgr: \"%s\" is not a directory.\n",
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(const char *)db_dump_cuts_dir);
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exit(1);
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}
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if(!file.isWritable()) {
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fprintf(stderr,"rddbmgr: \"%s\" is not writable.\n",
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(const char *)db_dump_cuts_dir);
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exit(1);
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}
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}
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// Check that Orphan group exists
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if(!db_orphan_group_name.isEmpty()) {
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QString sql=QString("select NAME from GROUPS where ")+
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"NAME=\""+RDEscapeString(db_orphan_group_name)+"\"";
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RDSqlQuery *q=new RDSqlQuery(sql,false);
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if(!q->first()) {
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fprintf(stderr,"rddbmgr: invalid group \"%s\"\n",
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(const char *)db_orphan_group_name);
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delete q;
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exit(1);
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}
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delete q;
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}
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}
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if(db_verbose) {
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fprintf(stderr,"Using DB Credentials:\n");
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fprintf(stderr," Hostname: %s\n",(const char *)db_mysql_hostname);
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fprintf(stderr," Loginname: %s\n",(const char *)db_mysql_loginname);
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fprintf(stderr," Password: %s\n",(const char *)db_mysql_password);
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fprintf(stderr," Database: %s\n",(const char *)db_mysql_database);
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fprintf(stderr," Driver: %s\n",(const char *)db_mysql_driver);
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fprintf(stderr," Engine: %s\n",(const char *)db_mysql_engine);
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}
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//
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// Open Database
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//
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QSqlDatabase db=QSqlDatabase::addDatabase(db_mysql_driver);
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db.setDatabaseName(db_mysql_database);
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db.setUserName(db_mysql_loginname);
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db.setPassword(db_mysql_password);
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db.setHostName(db_mysql_hostname);
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if(!db.open()) {
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fprintf(stderr,"rddbmgr: unable to open database [%s]\n",
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(const char *)db.lastError().text());
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exit(1);
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}
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db_table_create_postfix=RDConfig::createTablePostfix(db_mysql_engine);
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//
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// Resolve Target Schema
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//
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int schema=GetCurrentSchema();
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if(schema>RD_VERSION_DATABASE) {
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fprintf(stderr,"rddbmgr: unknown current schema [%d]\n",schema);
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exit(1);
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}
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if(set_schema>0) {
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if((set_schema<242)||(set_schema>RD_VERSION_DATABASE)) {
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fprintf(stderr,"rddbmgr: unsupported schema\n");
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exit(1);
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}
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}
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else {
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if(set_version.isEmpty()) {
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set_schema=RD_VERSION_DATABASE;
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if(set_schema<schema) {
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fprintf(stderr,"rddbmgr: reversion implied, you must explicitly specify the target schema\n");
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exit(1);
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}
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}
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else {
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set_schema=GetVersionSchema(set_version);
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if(set_schema==0) {
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fprintf(stderr,"invalid/unsupported Rivendell version\n");
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exit(1);
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}
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}
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}
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//
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// Run the Command
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//
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QString err_msg;
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switch(db_command) {
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case MainObject::CheckCommand:
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ok=Check(&err_msg);
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break;
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case MainObject::CreateCommand:
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if((ok=Create(station_name,generate_audio,&err_msg))) {
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ok=Modify(&err_msg,set_schema);
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}
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break;
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case MainObject::ModifyCommand:
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ok=Modify(&err_msg,set_schema);
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break;
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case MainObject::NoCommand:
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ok=PrintStatus(&err_msg);
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break;
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}
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if(!ok) {
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fprintf(stderr,"rddbmgr: %s\n",(const char *)err_msg);
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exit(1);
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}
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exit(0);
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}
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void MainObject::WriteSchemaVersion(int ver) const
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{
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QString sql=QString("update VERSION set ")+
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QString().sprintf("DB=%d",ver);
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RDSqlQuery::apply(sql);
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}
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bool MainObject::TableExists(const QString &tbl_name) const
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{
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QString sql;
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RDSqlQuery *q;
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bool ret=false;
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sql=QString("show tables where ")+
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"Tables_in_"+db_config->mysqlDbname()+"=\""+RDEscapeString(tbl_name)+"\"";
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q=new RDSqlQuery(sql,false);
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ret=q->first();
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delete q;
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return ret;
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}
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bool MainObject::DropTable(const QString &tbl_name,QString *err_msg) const
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{
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QString sql;
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RDSqlQuery *q;
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bool ret=false;
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sql=QString("show tables where ")+
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"Tables_in_"+db_config->mysqlDbname()+"=\""+RDEscapeString(tbl_name)+"\"";
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q=new RDSqlQuery(sql,false);
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if(q->first()) {
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sql=QString("drop table `")+q->value(0).toString()+"`";
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ret=RDSqlQuery::apply(sql,err_msg);
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}
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else {
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if(err_msg!=NULL) {
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*err_msg="no such table";
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}
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}
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delete q;
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return ret;
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}
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bool MainObject::ColumnExists(const QString &tbl_name,
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const QString &col_name) const
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{
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QString sql;
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RDSqlQuery *q;
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bool ret=false;
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sql=QString("select * from INFORMATION_SCHEMA.COLUMNS where ")+
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"TABLE_SCHEMA=\""+db_config->mysqlDbname()+"\" && "+
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"TABLE_NAME=\""+tbl_name+"\" && "+
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"COLUMN_NAME=\""+col_name+"\"";
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q=new RDSqlQuery(sql,false);
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ret=q->first();
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delete q;
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return ret;
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}
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bool MainObject::DropColumn(const QString &tbl_name,const QString &col_name,
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QString *err_msg) const
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{
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QString sql;
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bool ret=false;
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if(ColumnExists(tbl_name,col_name)) {
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sql=QString("alter table `")+tbl_name+"` drop column "+col_name;
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ret=RDSqlQuery::apply(sql,err_msg);
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}
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return ret;
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}
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bool MainObject::DropIndex(const QString &tbl_name,const QString &idx_name,
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QString *err_msg) const
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{
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QString sql=QString("alter table `")+tbl_name+"` drop index `"+idx_name+"`";
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return RDSqlQuery::apply(sql,err_msg);
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}
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int main(int argc,char *argv[])
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{
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QApplication a(argc,argv,false);
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new MainObject();
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return a.exec();
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}
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