ubuntu20.04下编译mysql驱动项目源码

/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtSql module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qsql_mysql_p.h" #include <qcoreapplication.h> #include <qvariant.h> #include <qdatetime.h> #include <qsqlerror.h> #include <qsqlfield.h> #include <qsqlindex.h> #include <qsqlquery.h> #include <qsqlrecord.h> #include <qstringlist.h> #if QT_CONFIG(textcodec) #include <qtextcodec.h> #endif #include <qvector.h> #include <qfile.h> #include <qdebug.h> #include <QtSql/private/qsqldriver_p.h> #include <QtSql/private/qsqlresult_p.h> #ifdef Q_OS_WIN32 // comment the next line out if you want to use MySQL/embedded on Win32 systems. // note that it will crash if you don't statically link to the mysql/e library! # define Q_NO_MYSQL_EMBEDDED #endif Q_DECLARE_METATYPE(MYSQL_RES*) Q_DECLARE_METATYPE(MYSQL*) #if MYSQL_VERSION_ID >= 40108 Q_DECLARE_METATYPE(MYSQL_STMT*) #endif #if MYSQL_VERSION_ID >= 40100 # define Q_CLIENT_MULTI_STATEMENTS CLIENT_MULTI_STATEMENTS #else # define Q_CLIENT_MULTI_STATEMENTS 0 #endif // MySQL above version 8 removed my_bool typedef while MariaDB kept it, // by redefining it we can regain source compatibility. using my_bool = decltype(mysql_stmt_bind_result(nullptr, nullptr)); QT_BEGIN_NAMESPACE class QMYSQLDriverPrivate : public QSqlDriverPrivate { Q_DECLARE_PUBLIC(QMYSQLDriver) public: QMYSQLDriverPrivate() : QSqlDriverPrivate(), mysql(0), #if QT_CONFIG(textcodec) tc(QTextCodec::codecForLocale()), #else tc(0), #endif preparedQuerysEnabled(false) { dbmsType = QSqlDriver::MySqlServer; } MYSQL *mysql; QTextCodec *tc; bool preparedQuerysEnabled; }; static inline QString toUnicode(QTextCodec *tc, const char *str) { #if !QT_CONFIG(textcodec) Q_UNUSED(tc); return QString::fromLatin1(str); #else return tc->toUnicode(str); #endif } static inline QString toUnicode(QTextCodec *tc, const char *str, int length) { #if !QT_CONFIG(textcodec) Q_UNUSED(tc); return QString::fromLatin1(str, length); #else return tc->toUnicode(str, length); #endif } static inline QByteArray fromUnicode(QTextCodec *tc, const QString &str) { #if !QT_CONFIG(textcodec) Q_UNUSED(tc); return str.toLatin1(); #else return tc->fromUnicode(str); #endif } static inline QVariant qDateFromString(const QString &val) { #if !QT_CONFIG(datestring) Q_UNUSED(val); return QVariant(val); #else if (val.isEmpty()) return QVariant(QDate()); return QVariant(QDate::fromString(val, Qt::ISODate)); #endif } static inline QVariant qTimeFromString(const QString &val) { #if !QT_CONFIG(datestring) Q_UNUSED(val); return QVariant(val); #else if (val.isEmpty()) return QVariant(QTime()); return QVariant(QTime::fromString(val, Qt::ISODate)); #endif } static inline QVariant qDateTimeFromString(QString &val) { #if !QT_CONFIG(datestring) Q_UNUSED(val); return QVariant(val); #else if (val.isEmpty()) return QVariant(QDateTime()); if (val.length() == 14) // TIMESTAMPS have the format yyyyMMddhhmmss val.insert(4, QLatin1Char('-')).insert(7, QLatin1Char('-')).insert(10, QLatin1Char('T')).insert(13, QLatin1Char(':')).insert(16, QLatin1Char(':')); return QVariant(QDateTime::fromString(val, Qt::ISODate)); #endif } class QMYSQLResultPrivate; class QMYSQLResult : public QSqlResult { Q_DECLARE_PRIVATE(QMYSQLResult) friend class QMYSQLDriver; public: explicit QMYSQLResult(const QMYSQLDriver *db); ~QMYSQLResult(); QVariant handle() const override; protected: void cleanup(); bool fetch(int i) override; bool fetchNext() override; bool fetchLast() override; bool fetchFirst() override; QVariant data(int field) override; bool isNull(int field) override; bool reset (const QString& query) override; int size() override; int numRowsAffected() override; QVariant lastInsertId() const override; QSqlRecord record() const override; void virtual_hook(int id, void *data) override; bool nextResult() override; void detachFromResultSet() override; #if MYSQL_VERSION_ID >= 40108 bool prepare(const QString &stmt) override; bool exec() override; #endif }; class QMYSQLResultPrivate: public QSqlResultPrivate { Q_DECLARE_PUBLIC(QMYSQLResult) public: Q_DECLARE_SQLDRIVER_PRIVATE(QMYSQLDriver) QMYSQLResultPrivate(QMYSQLResult *q, const QMYSQLDriver *drv) : QSqlResultPrivate(q, drv), result(0), rowsAffected(0), hasBlobs(false) #if MYSQL_VERSION_ID >= 40108 , stmt(0), meta(0), inBinds(0), outBinds(0) #endif , preparedQuery(false) { } MYSQL_RES *result; MYSQL_ROW row; int rowsAffected; bool bindInValues(); void bindBlobs(); bool hasBlobs; struct QMyField { QMyField() : outField(0), nullIndicator(false), bufLength(0ul), myField(0), type(QVariant::Invalid) {} char *outField; my_bool nullIndicator; ulong bufLength; MYSQL_FIELD *myField; QVariant::Type type; }; QVector<QMyField> fields; #if MYSQL_VERSION_ID >= 40108 MYSQL_STMT* stmt; MYSQL_RES* meta; MYSQL_BIND *inBinds; MYSQL_BIND *outBinds; #endif bool preparedQuery; }; #if QT_CONFIG(textcodec) static QTextCodec* codec(MYSQL* mysql) { #if MYSQL_VERSION_ID >= 32321 QTextCodec* heuristicCodec = QTextCodec::codecForName(mysql_character_set_name(mysql)); if (heuristicCodec) return heuristicCodec; #endif return QTextCodec::codecForLocale(); } #endif // textcodec static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type, const QMYSQLDriverPrivate* p) { const char *cerr = p->mysql ? mysql_error(p->mysql) : 0; return QSqlError(QLatin1String("QMYSQL: ") + err, p->tc ? toUnicode(p->tc, cerr) : QString::fromLatin1(cerr), type, QString::number(mysql_errno(p->mysql))); } static QVariant::Type qDecodeMYSQLType(int mysqltype, uint flags) { QVariant::Type type; switch (mysqltype) { case