1 | |
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2 | #include <QSqlError> |
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3 | #include <QSqlQuery> |
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4 | #include <QSqlRecord> |
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5 | #include <QVariant> |
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6 | #include <QDateTime> |
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7 | |
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8 | #include <QDir> |
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9 | #include "sqlengine.h" |
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10 | |
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11 | #include <QDebug> |
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12 | |
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13 | const QString DATE_FORMAT ("yyyy-MM-dd"); |
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14 | const QString TIME_FORMAT ("hh:mm"); |
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15 | |
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16 | SqlEngine::SqlEngine(QObject *aParent) |
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17 | : QObject(aParent) |
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18 | { |
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19 | } |
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20 | |
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21 | SqlEngine::~SqlEngine() |
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22 | { |
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23 | } |
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24 | |
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25 | QString SqlEngine::login(const QString &aDatabaseType, const QString &aDatabaseName) |
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26 | { |
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27 | QSqlDatabase database = QSqlDatabase::addDatabase(aDatabaseType); |
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28 | database.setDatabaseName(aDatabaseName); |
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29 | |
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30 | bool result = false; |
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31 | if(!QFile::exists(aDatabaseName)) // the DB (tables) doesn't exists, and so we have to create one |
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32 | { |
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33 | // creating empty DB + tables |
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34 | // ??? what is the best way of creating new empty DB ??? |
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35 | // we can either: |
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36 | // - create new DB + tables by issuing corresponding queries (used solution) |
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37 | // - create new DB from resource, which contains empty DB with tables |
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38 | result = createTables(database); |
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39 | } |
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40 | else |
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41 | { |
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42 | database.open(); |
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43 | } |
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44 | |
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45 | //LOG_INFO(QString("Opening '%1' database '%2'").arg(aDatabaseType).arg(aDatabaseName)); |
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46 | |
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47 | return result ? QString() : database.lastError().text(); |
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48 | } |
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49 | |
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50 | void SqlEngine::initialize() |
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51 | { |
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52 | QString databaseName; |
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53 | if(!QDir::home().exists(".fosdem")) |
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54 | QDir::home().mkdir(".fosdem"); |
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55 | databaseName = QDir::homePath() + "/.fosdem/" + "fosdem.sqlite"; |
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56 | login("QSQLITE",databaseName); |
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57 | } |
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58 | |
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59 | void SqlEngine::addConferenceToDB(QHash<QString,QString> &aConference) |
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60 | { |
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61 | QSqlDatabase db = QSqlDatabase::database(); |
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62 | |
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63 | if (db.isValid() && db.isOpen()) |
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64 | { |
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65 | QString values = QString("'%1', '%2', '%3', '%4', '%5', '%6', '%7', '%8', '%9', '%10'") \ |
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66 | .arg(aConference["id"]) \ |
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67 | .arg(aConference["title"]) \ |
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68 | .arg(aConference["subtitle"]) \ |
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69 | .arg(aConference["venue"]) \ |
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70 | .arg(aConference["city"]) \ |
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71 | .arg(QDateTime(QDate::fromString(aConference["start"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()) \ |
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72 | .arg(QDateTime(QDate::fromString(aConference["end"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()) \ |
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73 | .arg(aConference["days"]) \ |
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74 | .arg(-QTime::fromString(aConference["day_change"],TIME_FORMAT).secsTo(QTime(0,0))) \ |
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75 | .arg(-QTime::fromString(aConference["timeslot_duration"],TIME_FORMAT).secsTo(QTime(0,0))); |
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76 | |
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77 | QString query = QString("INSERT INTO CONFERENCE (id,title,subtitle,venue,city,start,end,days,day_change,timeslot_duration) VALUES (%1)").arg(values); |
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78 | QSqlQuery result (query, db); |
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79 | //LOG_AUTOTEST(query); |
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80 | } |
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81 | } |
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82 | |
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83 | void SqlEngine::addEventToDB(QHash<QString,QString> &aEvent) |
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84 | { |
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85 | //LOG_DEBUG(QString("Adding event '%1' to DB").arg(*aEvent)); |
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86 | |
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87 | QSqlDatabase db = QSqlDatabase::database(); |
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88 | |
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89 | if (db.isValid() && db.isOpen()) |
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90 | { |
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91 | // track has to be handled as the first, since it is necessary to get |
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92 | // track ID from the TRACK table, or to create new TRACK record |
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93 | // and get the ID from newly created record |
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94 | QString queryExist = QString("SELECT id FROM track WHERE name='%1'").arg(aEvent["track"]); |
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95 | QSqlQuery resultExist(queryExist,db); |
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96 | // now we have to check whether TRACK record with 'name' exists or not, |
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97 | // - if it doesn't exist yet, then we have to add that record to 'TRACK' table |
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98 | // - if it exists, then we need to get its 'id' |
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99 | int actId = -1; |
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100 | if(resultExist.next()) // TRACK record with 'name' already exists: we need to get its 'id' |
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101 | { |
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102 | actId = resultExist.value(0).toInt(); |
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103 | } |
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104 | else // TRACK record doesn't exist yet, need to create it |
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105 | { |
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106 | QString values = QString("'%1'").arg(aEvent["track"]); |
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107 | QString query = QString("INSERT INTO track (name) VALUES (%1)").arg(values); |
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108 | QSqlQuery result (query, db); |
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109 | actId = result.lastInsertId().toInt(); // 'id' is assigned automatically |
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110 | } |
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111 | |
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112 | // The items of the Event are divided into the two tables EVENT and VIRTUAL_EVENT |
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113 | // VIRTUAL_EVENT is for Full-Text-Serach Support |
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114 | QDateTime startDateTime = QDateTime(QDate::fromString(aEvent["date"],DATE_FORMAT),QTime::fromString(aEvent["start"],TIME_FORMAT)); |
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115 | QString values = QString("'%1', '%2', '%3', '%4', '%5', '%6', '%7', '%8', '%9'") \ |
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116 | .arg(aEvent["conference_id"]) \ |
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117 | .arg(aEvent["id"]) \ |
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118 | .arg(QString::number(startDateTime.toTime_t())) \ |
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119 | .arg(-QTime::fromString(aEvent["duration"],TIME_FORMAT).secsTo(QTime(0,0))) \ |
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120 | .arg(QString::number(actId)) \ |
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121 | .arg(aEvent["type"]) \ |
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122 | .arg(aEvent["language"]) \ |
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123 | .arg("0") \ |
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124 | .arg("0"); |
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125 | |
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126 | QString query = QString("INSERT INTO EVENT (xid_conference, id, start, duration, xid_track, type, language, favourite, alarm) VALUES (%1)").arg(values); |
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127 | QSqlQuery result (query, db); |
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128 | //LOG_AUTOTEST(query); |
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129 | |
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130 | // add some(text related) Event's items to VIRTUAL_EVENT table |
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131 | QString values2 = QString("'%1', '%2', '%3', ? , ? , ? , ? ") \ |
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132 | .arg(aEvent["conference_id"]) \ |
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133 | .arg(aEvent["id"]) \ |
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134 | .arg(aEvent["tag"]); |
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135 | |
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136 | QString query2 = QString("INSERT INTO VIRTUAL_EVENT (xid_conference, id, tag, title, subtitle, abstract, description) VALUES (%1)").arg(values2); |
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137 | |
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138 | QSqlQuery result2; |
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139 | result2.prepare(query2); |
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140 | result2.bindValue(0,aEvent["title"]); |
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141 | result2.bindValue(1,aEvent["subtitle"]); |
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142 | result2.bindValue(2,aEvent["abstract"]); |
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143 | result2.bindValue(3,aEvent["description"]); |
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144 | result2.exec(); |
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145 | //LOG_AUTOTEST(query2); |
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146 | } |
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147 | } |
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148 | |
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149 | |
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150 | void SqlEngine::addPersonToDB(QHash<QString,QString> &aPerson) |
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151 | { |
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152 | QSqlDatabase db = QSqlDatabase::database(); |
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153 | |
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154 | //TODO: check if the person doesn't exist before inserting |
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155 | if (db.isValid() && db.isOpen()) |
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156 | { |
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157 | QString values = QString("'%1', '%2'").arg(aPerson["id"],aPerson["name"]); |
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158 | QString query = QString("INSERT INTO PERSON (id,name) VALUES (%1)").arg(values); |
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159 | QSqlQuery result (query, db); |
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160 | //LOG_AUTOTEST(query); |
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161 | |
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162 | values = QString("'%1', '%2', '%3'").arg(aPerson["conference_id"],aPerson["event_id"],aPerson["id"]); |
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163 | query = QString("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (%1)").arg(values); |
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164 | QSqlQuery resultEventPerson (query, db); |
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165 | //LOG_AUTOTEST(query); |
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166 | } |
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167 | } |
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168 | |
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169 | void SqlEngine::addRoomToDB(QHash<QString,QString> &aRoom) |
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170 | { |
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171 | QSqlDatabase db = QSqlDatabase::database(); |
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172 | |
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173 | if (db.isValid() && db.isOpen()) |
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174 | { |
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175 | QString queryExist = QString("SELECT id FROM ROOM WHERE name='%1'").arg(aRoom["name"]); |
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176 | QSqlQuery resultExist(queryExist,db); |
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177 | // now we have to check whether ROOM record with 'name' exists or not, |
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178 | // - if it doesn't exist yet, then we have to add that record to 'ROOM' table |
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179 | // and assign autoincremented 'id' to aRoom |
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180 | // - if it exists, then we need to get its 'id' and assign it to aRoom |
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181 | int roomId = -1; |
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182 | if(resultExist.next()) // ROOM record with 'name' already exists: we need to get its 'id' |
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183 | { |
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184 | roomId = resultExist.value(0).toInt(); |
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185 | } |
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186 | else // ROOM record doesn't exist yet, need to create it |
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187 | { |
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188 | QString values = QString("'%1', '%2'").arg(aRoom["name"],aRoom["picture"]); |
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189 | QString query = QString("INSERT INTO ROOM (name,picture) VALUES (%1)").arg(values); |
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190 | QSqlQuery result (query, db); |
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191 | roomId = result.lastInsertId().toInt(); // 'id' is assigned automatically |
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192 | //LOG_AUTOTEST(query); |
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193 | } |
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194 | |
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195 | QString values = QString("'%1', '%2', '%3'").arg(aRoom["conference_id"],aRoom["event_id"],QString::number(roomId)); |
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196 | QString query = QString("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (%1)").arg(values); |
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197 | QSqlQuery result (query, db); |
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198 | //LOG_AUTOTEST(query); |
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199 | } |
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200 | } |
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201 | |
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202 | void SqlEngine::addLinkToDB(QHash<QString,QString> &aLink) |
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203 | { |
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204 | QSqlDatabase db = QSqlDatabase::database(); |
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205 | |
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206 | //TODO: check if the link doesn't exist before inserting |
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207 | if (db.isValid() && db.isOpen()) |
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208 | { |
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209 | QString values = QString("'%1', '%2', '%3', '%4'").arg(aLink["event_id"],aLink["conference_id"],aLink["name"],aLink["url"]); |
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210 | QString query = QString("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (%1)").arg(values); |
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211 | QSqlQuery result(query, db); |
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212 | //LOG_AUTOTEST(query); |
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213 | } |
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214 | } |
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215 | |
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216 | bool SqlEngine::createTables(QSqlDatabase &aDatabase) |
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217 | { |
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218 | bool result = aDatabase.open(); |
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219 | |
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220 | if (aDatabase.isValid() && aDatabase.isOpen()) |
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221 | { |
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222 | QSqlQuery query(aDatabase); |
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223 | |
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224 | query.exec("CREATE TABLE CONFERENCE ( \ |
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225 | id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL , \ |
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226 | title VARCHAR NOT NULL , \ |
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227 | subtitle VARCHAR, \ |
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228 | venue VARCHAR, \ |
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229 | city VARCHAR NOT NULL , \ |
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230 | start INTEGER NOT NULL , \ |
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231 | end INTEGER NOT NULL , \ |
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232 | days INTEGER, \ |
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233 | day_change INTEGER, \ |
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234 | timeslot_duration INTEGER)"); |
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235 | |
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236 | query.exec("CREATE TABLE TRACK ( \ |
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237 | id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL , \ |
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238 | name VARCHAR NOT NULL )"); |
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239 | |
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240 | query.exec("CREATE TABLE ROOM ( \ |
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241 | id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL , \ |
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242 | name VARCHAR NOT NULL , \ |
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243 | picture VARCHAR NOT NULL)"); |
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244 | |
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245 | query.exec("CREATE TABLE PERSON ( \ |
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246 | id INTEGER PRIMARY KEY NOT NULL , \ |
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247 | name VARCHAR NOT NULL)"); |
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248 | |
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249 | query.exec("CREATE TABLE EVENT ( \ |
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250 | xid_conference INTEGER NOT NULL, \ |
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251 | id INTEGER NOT NULL , \ |
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252 | start INTEGER NOT NULL , \ |
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253 | duration INTEGER NOT NULL , \ |
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254 | xid_track INTEGER NOT NULL REFERENCES TRACK(id), \ |
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255 | type VARCHAR, \ |
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256 | language VARCHAR, \ |
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257 | favourite INTEGER DEFAULT 0, \ |
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258 | alarm INTEGER DEFAULT 0, \ |
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259 | PRIMARY KEY (xid_conference,id), \ |
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260 | FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id) \ |
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261 | FOREIGN KEY(xid_track) REFERENCES TRACK(id))"); |
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262 | |
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263 | #ifdef MAEMO |
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264 | // TBD: MAEMO Virtual tables compatibility (waiting for Marek). |
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265 | // MAEMO sqlite Qt driver doesn't provide FTS support by default - use the following HACK |
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266 | query.exec("CREATE TABLE VIRTUAL_EVENT ( \ |
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267 | xid_conference INTEGER NOT NULL, \ |
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268 | id INTEGER NOT NULL , \ |
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269 | tag VARCHAR,title VARCHAR NOT NULL , \ |
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270 | subtitle VARCHAR, \ |
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271 | abstract VARCHAR, \ |
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272 | description VARCHAR, \ |
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273 | PRIMARY KEY (xid_conference,id))"); |
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274 | #else |
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275 | query.exec("CREATE VIRTUAL TABLE VIRTUAL_EVENT using fts3 ( \ |
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276 | xid_conference INTEGER NOT NULL, \ |
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277 | id INTEGER NOT NULL , \ |
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278 | tag VARCHAR,title VARCHAR NOT NULL , \ |
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279 | subtitle VARCHAR, \ |
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280 | abstract VARCHAR, \ |
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281 | description VARCHAR, \ |
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282 | PRIMARY KEY (xid_conference,id))"); |
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283 | #endif |
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284 | |
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285 | query.exec("CREATE TABLE EVENT_PERSON ( \ |
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286 | xid_conference INTEGER NOT NULL , \ |
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287 | xid_event INTEGER NOT NULL , \ |
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288 | xid_person INTEGER NOT NULL, \ |
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289 | FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id), \ |
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290 | FOREIGN KEY(xid_person) REFERENCES PERSON(id))"); |
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291 | |
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292 | query.exec("CREATE TABLE EVENT_ROOM ( \ |
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293 | xid_conference INTEGER NOT NULL , \ |
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294 | xid_event INTEGER NOT NULL , \ |
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295 | xid_room INTEGER NOT NULL, \ |
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296 | FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id), \ |
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297 | FOREIGN KEY(xid_room) REFERENCES ROOM(id))"); |
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298 | |
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299 | query.exec("CREATE TABLE LINK ( \ |
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300 | id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, \ |
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301 | xid_conference INTEGER NOT NULL, \ |
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302 | xid_event INTEGER NOT NULL, \ |
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303 | name VARCHAR, \ |
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304 | url VARCHAR NOT NULL, \ |
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305 | FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id))"); |
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306 | } |
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307 | else |
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308 | { |
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309 | //LOG_WARNING("Database is not opened"); |
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310 | } |
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311 | |
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312 | return result; |
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313 | } |
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314 | |
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315 | int SqlEngine::searchEvent(int aConferenceId, const QList<QString> &aColumns, const QString &aKeyword) |
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316 | { |
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317 | QSqlDatabase db = QSqlDatabase::database(); |
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318 | |
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319 | if ( !db.isValid() || !db.isOpen()) |
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320 | return -1; |
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321 | |
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322 | |
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323 | // DROP |
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324 | execQuery( db, "DROP TABLE IF EXISTS SEARCH_EVENT;"); |
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325 | // CREATE |
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326 | execQuery( db, "CREATE TABLE SEARCH_EVENT ( xid_conference INTEGER NOT NULL, id INTEGER NOT NULL );"); |
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327 | // INSERT |
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328 | QString query = QString("INSERT INTO SEARCH_EVENT ( xid_conference, id) " |
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329 | "SELECT xid_conference, id FROM EVENT AS e INNER JOIN VIRTUAL_EVENT AS ve USING (xid_conference, id) " |
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330 | "WHERE xid_conference = %1 AND (").arg( aConferenceId ); |
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331 | int i = 0; |
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332 | foreach (QString str, aColumns){ |
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333 | query += QString("%1 LIKE '\%%2\%' OR ").arg( aColumns.at(i++), aKeyword ); |
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334 | } |
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335 | query.chop( QString(" OR ").length() ); |
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336 | query += QString(");"); |
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337 | |
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338 | execQuery( db, query ); |
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339 | |
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340 | //TODO: retun number of rows from SEARCH_EVENT |
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341 | return 1; |
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342 | } |
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343 | |
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344 | bool SqlEngine::execQuery(QSqlDatabase &aDatabase, const QString &aQuery) |
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345 | { |
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346 | qDebug() << "\nSQL: " << aQuery; |
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347 | |
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348 | QSqlQuery sqlQuery(aDatabase); |
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349 | if( !sqlQuery.exec(aQuery) ){ |
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350 | qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text(); |
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351 | return false; |
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352 | } |
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353 | else{ |
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354 | qDebug() << "SQL OK.\n"; |
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355 | return true; |
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356 | } |
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357 | } |
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