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databaseworker.cpp
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databaseworker.cpp
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// databaseworker.cpp ---
//
// Author: liuguangzhao
// Copyright (C) 2007-2010 liuguangzhao@users.sf.net
// URL:
// Created: 2011-04-25 20:19:15 +0800
// Version: $Id: databaseworker.cpp 998 2011-09-17 11:03:58Z drswinghead $
//
#include <algorithm>
#include "simplelog.h"
#include "sqlite/sqlite3.h"
#include "databaseworker.h"
// TODO encrypt session database
// TODO switch to raw sqlite c api for encrypt
// Configure runtime parameters here
#define DATABASE_USER "magdalena"
#define DATABASE_PASS "deedee"
// #define DATABASE_NAME "asynchdbtest.db"
#define SESSDB_CONN_NAME "AsyncWorkerDatatbase"
#define DATABASE_NAME "kitsession.edb"
#define DATABASE_HOST ""
#define DATABASE_DRIVER "QSQLITE"
#define SAMPLE_RECORDS 100000
#define TABLE_CONTACTS "kp_contacts"
#define TABLE_HISTORIES "kp_histories"
#define TABLE_OPTIONS "kp_options"
#define TABLE_GROUPS "kp_groups"
#define TABLE_ACCOUNTS "kp_accounts"
//
DatabaseWorker::DatabaseWorker( QObject* parent )
: QObject( parent )
{
}
DatabaseWorker::~DatabaseWorker()
{
// qDebug()<<__FILE__<<__LINE__<<__FUNCTION__;
// this->m_database.close();
// 如果不用这句,则会有警告。
// 现在用不用都会出这个问题。
// QSqlDatabasePrivate::removeDatabase: connection 'WorkerDatabase' is still in use, all queries will cease to work.
// this->m_database = QSqlDatabase::addDatabase(DATABASE_DRIVER, "database_driver_destructor");
QSqlDatabase::removeDatabase("WorkerDatabase");
}
bool DatabaseWorker::connectDatabase()
{
// thread-specific connection, see db.h
#ifdef WIN32
QString db_file_path = qApp->applicationDirPath() + "/" + DATABASE_NAME;
#else
QString db_file_path = QDir::homePath() + "/.kitphone/" + DATABASE_NAME;
if (!QDir().exists(QDir::homePath() + "/.kitphone/")) {
QDir().mkdir(QDir::homePath() + "/.kitphone/");
}
// for test
db_file_path = qApp->applicationDirPath() + "/" + DATABASE_NAME;
#endif
QStringList drivers = QSqlDatabase::drivers();
if (!drivers.contains(DATABASE_DRIVER)) {
qLogx()<<"Warning no "<<DATABASE_DRIVER<<" in this Qt";
Q_ASSERT(1==2);
return false;
}
QSqlDatabase m_database = QSqlDatabase::addDatabase( DATABASE_DRIVER,
"WorkerDatabase" ); // named connection
// m_database.setDatabaseName( DATABASE_NAME );
m_database.setDatabaseName(db_file_path);
m_database.setHostName( DATABASE_HOST );
m_database.setUserName( DATABASE_USER );
m_database.setPassword( DATABASE_PASS );
if ( !m_database.open() ) {
qWarning() << "Unable to connect to database, giving up:" << m_database.lastError().text();
emit this->connect_error();
return false;
}
// static std::vector<QString> tbls = {TABLE_OPTIONS, TABLE_CONTACTS, TABLE_HISTORIES};
bool has_new_created_table = false;
bool bok;
QSqlQuery q;
if (!m_database.tables().contains(TABLE_OPTIONS)) {
// some data
QString sql = QString("CREATE TABLE %1 (key VARCHAR(20) PRIMARY KEY, value VARCHAR(32));").arg(TABLE_OPTIONS);
// m_database.exec( "create table item(id int, name varchar);" );
q = m_database.exec(sql);
qDebug()<<TABLE_OPTIONS<<q.lastQuery()<<q.lastError();
}
/*
CREATE TABLE TABLE_GROUPS (
gid INTERGER PRIMARY KEY AUTOINCREMENT,
group_name VARCHAR(100) UNIQUE NOT NULL
);
*/
if (!m_database.tables().contains(TABLE_GROUPS)) {
has_new_created_table = true;
// some data
QString sql = QString("CREATE TABLE %1 (gid INTEGER PRIMARY KEY AUTOINCREMENT, group_name VARCHAR(100) UNIQUE);").arg(TABLE_GROUPS);
// m_database.exec( "create table item(id int, name varchar);" );
q = m_database.exec(sql);
qDebug()<<TABLE_GROUPS<<q.lastQuery()<<q.lastError();
QSqlQuery query(m_database);
query.prepare(QString("INSERT INTO %1 (gid,group_name) VALUES (?,?)").arg(TABLE_GROUPS));
query.addBindValue(1);
query.addBindValue("Family");
query.exec();
query.addBindValue(2);
query.addBindValue("Friends");
query.exec();
query.addBindValue(3);
query.addBindValue("Others");
query.exec();
m_database.commit();
qDebug()<<TABLE_GROUPS<<query.lastQuery()<<query.lastError();
// query.exec(QString("INSERT INTO %1 (group_name) VALUES ('vvvvvvvvvvvvvv')").arg(TABLE_GROUPS));
// qDebug()<<TABLE_GROUPS<<query.lastQuery()<<query.lastError();
}
/*
CREATE TABLE TABLE_CONTACTS (
cid INTEGER PRIMARY KEY ,
group_id INTEGER NOT NULL,
display_name VARCHAR(100) UNIQUE,
phone_number VARCHAR(100) UNIQUE
);
*/
if (!m_database.tables().contains(TABLE_CONTACTS)) {
has_new_created_table = true;
// some data
QString sql = QString("CREATE TABLE %1 (cid INTEGER PRIMARY KEY AUTOINCREMENT, group_id INTERGER NOT NULL, display_name VARCHAR(100) UNIQUE, phone_number VARCHAR(100) UNIQUE);").arg(TABLE_CONTACTS);
// m_database.exec( "create table item(id int, name varchar);" );
q = m_database.exec(sql);
qDebug()<<TABLE_CONTACTS<<q.lastQuery()<<q.lastError();
}
/*
Basically, create a column of type INTEGER PRIMARY KEY or a column called ROWID, then don't specify the value when inserting a row.
CREATE TABLE TABLE_HISTORIES (
hid INTEGER PRIMARY KEY ,
contact_id INTEGER NOT NULL, // dep???
phone_number VARCHAR(100),
call_status INTEGER,
call_ctime VARCHAR(100),
call_etime VARCHAR(100)
);
*/
if (!m_database.tables().contains(TABLE_HISTORIES)) {
has_new_created_table = true;
// some data
QString sql = QString("CREATE TABLE %1 (hid INTEGER PRIMARY KEY AUTOINCREMENT, contact_id INTEGER NOT NULL, phone_number VARCHAR(100), call_status INTEGER, call_ctime VARCHAR(100), call_etime VARCHAR(100));").arg(TABLE_HISTORIES);
// m_database.exec( "create table item(id int, name varchar);" );
q = m_database.exec(sql);
qDebug()<<TABLE_HISTORIES<<q.lastQuery()<<q.lastError();
}
// for account manager
/*
CREATE TABLE TABLE_ACCOUNTS (
aid INTEGER PRIMARY KEY ,
account_name VARCHAR(100) NOT NULL,
account_password VARCHAR(100),
display_name VARCHAR(100) NOT NULL UNIQUE,
serv_addr VARCHAR(100) NOT NULL,
account_status INTEGER,
account_ctime VARCHAR(100),
account_mtime VARCHAR(100)
);
*/
if (!m_database.tables().contains(TABLE_ACCOUNTS)) {
has_new_created_table = true;
// some data
QString sql = QString("CREATE TABLE %1 (aid INTEGER PRIMARY KEY AUTOINCREMENT, account_name VARCHAR(100) NOT NULL, account_password VARCHAR(100), display_name VARCHAR(100) NOT NULL UNIQUE, serv_addr VARCHAR(100) NOT NULL, account_status INTEGER, account_ctime VARCHAR(100), account_mtime VARCHAR(100));").arg(TABLE_ACCOUNTS);
// m_database.exec( "create table item(id int, name varchar);" );
q = m_database.exec(sql);
qDebug()<<TABLE_HISTORIES<<q.lastQuery()<<q.lastError();
}
// 如果有新创建的表,则关闭再打开。否则可能调用端查询不到数据。
if (has_new_created_table == true) {
m_database.close();
m_database.open();
}
emit this->connected();
return true;
// std::for_each(tbls.begin(), tbls.end(),
// [&tbls,&m_database] (const QString &tbl) {
// });
// initialize db
// if (!m_database.tables().contains( "item" ) )
// {
// // some data
// m_database.exec( "create table item(id int, name varchar);" );
// m_database.transaction();
// QSqlQuery query(m_database);
// query.prepare("INSERT INTO item (id, name) "
// "VALUES (?,?)");
// for ( int i = 0; i < SAMPLE_RECORDS; ++i )
// {
// query.addBindValue(i);
// query.addBindValue(QString::number(i));
// query.exec();
// }
// m_database.commit();
// }
}
QString DatabaseWorker::escapseString(const QString &str)
{
QString estr;
QSqlField fld("haha", QVariant::String);
fld.setValue(str);
QSqlDatabase m_database = QSqlDatabase::database("WorkerDatabase");
estr = m_database.driver()->formatValue(fld);
qLogx()<<"Fmt1:"<<estr<< (estr == str);
QVariant v = m_database.driver()->handle();
if (v.isValid() && qstrcmp(v.typeName(), "sqlite3*")==0) {
// v.data() returns a pointer to the handle
sqlite3 *handle = *static_cast<sqlite3 **>(v.data());
if (handle != 0) { // check that it is not NULL
// ...
}
}
// retry next way
if (1 || estr == str) {
estr = QString();
bool escapePercentage = false;
std::string in = str.toStdString();
for (std::string::const_iterator it = in.begin(); it != in.end(); it++) {
if (*it == '\"') {
// estr += "\\\"";
estr += *it;
} else if (*it == '\'') {
// estr += "\\'";
estr += "''";
} else if (*it == '\\') {
// estr += "\\\\";
estr += *it;
} else if (escapePercentage && (*it == '%') ) {
estr += "\\%";
} else {
estr += *it;
}
}
qLogx()<<"Fmt3:"<<estr<< (estr == str);
if (estr.isEmpty()) {
estr = str;
}
}
return estr;
}
void DatabaseWorker::slotExecute(const QString& query, int reqno)
{
bool eret = false;
QString estr;
QVariant eval;
QSqlError edb;
QList<QSqlRecord> recs;
QSqlDatabase m_database = QSqlDatabase::database("WorkerDatabase");
QSqlQuery dbq(m_database);
QStringList qelms;
QString sql;
eret = dbq.exec(query);
if (!eret) {
edb = dbq.lastError();
estr = QString("ENO:%1, %2").arg(edb.type()).arg(edb.text());
qDebug()<<__FILE__<<__LINE__<<__FUNCTION__<<estr;
} else {
eval = dbq.lastInsertId();
if (!eval.isValid()) {
// not insert query
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else {
// insert query;
qelms = query.trimmed().split(" ");
if (qelms.at(2) == TABLE_GROUPS) {
sql = QString("SELECT * FROM %1 WHERE gid=%2").arg(TABLE_GROUPS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_CONTACTS) {
sql = QString("SELECT * FROM %1 WHERE cid=%2").arg(TABLE_CONTACTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_HISTORIES) {
sql = QString("SELECT * FROM %1 WHERE hid=%2").arg(TABLE_HISTORIES).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_ACCOUNTS) {
sql = QString("SELECT * FROM %1 WHERE aid=%2").arg(TABLE_ACCOUNTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
}
}
}
// qDebug()<<"QQQQ: "<<query<<recs.count();
emit results(recs, reqno, eret, estr, eval);
}
void DatabaseWorker::slotExecute(const QStringList& querys, int reqno)
{
bool eret = false;
int errcnt = 0;
QString estr;
QVariant eval;
QSqlError edb;
QList<QSqlRecord> recs;
QSqlDatabase m_database = QSqlDatabase::database("WorkerDatabase");
QSqlQuery dbq(m_database);
QStringList qelms;
QString sql;
eret = m_database.transaction();
for (int i = 0; i < querys.count(); ++i) {
sql = querys.at(i);
qLogx()<<"Exec..."<<sql;
eret = dbq.exec(sql);
if (!eret) {
edb = dbq.lastError();
estr = QString("ENO:%1, %2").arg(edb.type()).arg(edb.text());
qDebug()<<__FILE__<<__LINE__<<__FUNCTION__<<estr;
++ errcnt;
}
}
eret = errcnt > 0 ? m_database.rollback() : m_database.commit();
// eret = dbq.exec(query);
if (!eret) {
edb = dbq.lastError();
estr = QString("ENO:%1, %2").arg(edb.type()).arg(edb.text());
qDebug()<<__FILE__<<__LINE__<<__FUNCTION__<<estr;
} else if (errcnt == 0) {
eval = dbq.lastInsertId();
if (!eval.isValid()) {
// not insert query
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else {
// insert query;
// qelms = query.trimmed().split(" ");
qelms = sql.trimmed().split(" ");
if (qelms.at(2) == TABLE_GROUPS) {
sql = QString("SELECT * FROM %1 WHERE gid=%2").arg(TABLE_GROUPS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_CONTACTS) {
sql = QString("SELECT * FROM %1 WHERE cid=%2").arg(TABLE_CONTACTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_HISTORIES) {
sql = QString("SELECT * FROM %1 WHERE hid=%2").arg(TABLE_HISTORIES).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_ACCOUNTS) {
sql = QString("SELECT * FROM %1 WHERE aid=%2").arg(TABLE_ACCOUNTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
}
}
} else {
qLogx()<<"Sql query error count: "<<errcnt;
}
// qDebug()<<"QQQQ: "<<query<<recs.count();
emit results(recs, reqno, eret, estr, eval);
}
int DatabaseWorker::syncExecute(const QString &query, QList<QSqlRecord> &records)
{
bool eret = false;
QString estr;
QVariant eval;
QSqlError edb;
QList<QSqlRecord> recs;
QSqlDatabase m_database = QSqlDatabase::database("WorkerDatabase");
QSqlQuery dbq(m_database);
QStringList qelms;
QString sql;
eret = dbq.exec(query);
if (!eret) {
edb = dbq.lastError();
estr = QString("ENO:%1, %2").arg(edb.type()).arg(edb.text());
qDebug()<<__FILE__<<__LINE__<<__FUNCTION__<<estr;
} else {
eval = dbq.lastInsertId();
if (!eval.isValid()) {
// not insert query
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else {
// insert query;
qelms = query.trimmed().split(" ");
if (qelms.at(2) == TABLE_GROUPS) {
sql = QString("SELECT * FROM %1 WHERE gid=%2").arg(TABLE_GROUPS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_CONTACTS) {
sql = QString("SELECT * FROM %1 WHERE cid=%2").arg(TABLE_CONTACTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_HISTORIES) {
sql = QString("SELECT * FROM %1 WHERE hid=%2").arg(TABLE_HISTORIES).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
} else if (qelms.at(2) == TABLE_ACCOUNTS) {
sql = QString("SELECT * FROM %1 WHERE aid=%2").arg(TABLE_ACCOUNTS).arg(eval.toInt());
eret = dbq.exec(sql);
Q_ASSERT(eret);
while(dbq.next()) {
recs.push_back(dbq.record());
}
}
}
}
records = recs;
return 0;
}