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embdriver.cpp
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "embdriver.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>
#include <qtextcodec.h>
#include <qvector.h>
#include <stdio.h>
#include <QDebug>
#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
QT_BEGIN_NAMESPACE
static inline QString toUnicode(QTextCodec *tc, const char *str)
{
#ifdef QT_NO_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)
{
#ifdef QT_NO_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)
{
#ifdef QT_NO_TEXTCODEC
Q_UNUSED(tc);
return str.toLatin1();
#else
return tc->fromUnicode(str);
#endif
}
static inline QVariant qDateFromString(const QString &val)
{
#ifdef QT_NO_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)
{
#ifdef QT_NO_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)
{
#ifdef QT_NO_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
}
#ifndef QT_NO_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 // QT_NO_TEXTCODEC
static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
const embeddedDriverPrivate* p)
{
const char *cerr = p->mysql ? mysql_error(p->mysql) : 0;
return QSqlError(QLatin1String("embedded: ") + err,
p->tc ? toUnicode(p->tc, cerr) : QString::fromLatin1(cerr),
type, mysql_errno(p->mysql));
}
static QVariant::Type qDecodeMYSQLType(int mysqltype, uint flags)
{
QVariant::Type type;
switch (mysqltype) {
case FIELD_TYPE_TINY :
case FIELD_TYPE_SHORT :
case FIELD_TYPE_LONG :
case FIELD_TYPE_INT24 :
type = (flags & UNSIGNED_FLAG) ? QVariant::UInt : QVariant::Int;
break;
case FIELD_TYPE_YEAR :
type = QVariant::Int;
break;
case FIELD_TYPE_LONGLONG :
type = (flags & UNSIGNED_FLAG) ? QVariant::ULongLong : QVariant::LongLong;
break;
case FIELD_TYPE_FLOAT :
case FIELD_TYPE_DOUBLE :
case FIELD_TYPE_DECIMAL :
#if defined(FIELD_TYPE_NEWDECIMAL)
case FIELD_TYPE_NEWDECIMAL:
#endif
type = QVariant::Double;
break;
case FIELD_TYPE_DATE :
type = QVariant::Date;
break;
case FIELD_TYPE_TIME :
type = QVariant::Time;
break;
case FIELD_TYPE_DATETIME :
case FIELD_TYPE_TIMESTAMP :
type = QVariant::DateTime;
break;
case FIELD_TYPE_STRING :
case FIELD_TYPE_VAR_STRING :
case FIELD_TYPE_BLOB :
case FIELD_TYPE_TINY_BLOB :
case FIELD_TYPE_MEDIUM_BLOB :
case FIELD_TYPE_LONG_BLOB :
type = (flags & BINARY_FLAG) ? QVariant::ByteArray : QVariant::String;
break;
default:
case FIELD_TYPE_ENUM :
case FIELD_TYPE_SET :
type = QVariant::String;
break;
}
return type;
}
static QSqlField qToField(MYSQL_FIELD *field, QTextCodec *tc)
{
QSqlField f(toUnicode(tc, field->name),
qDecodeMYSQLType(int(field->type), field->flags));
f.setRequired(IS_NOT_NULL(field->flags));
f.setLength(field->length);
f.setPrecision(field->decimals);
f.setSqlType(field->type);
f.setAutoValue(field->flags & AUTO_INCREMENT_FLAG);
return f;
}
#if MYSQL_VERSION_ID >= 40108
static QSqlError qMakeStmtError(const QString& err, QSqlError::ErrorType type,
MYSQL_STMT* stmt)
{
const char *cerr = mysql_stmt_error(stmt);
return QSqlError(QLatin1String("embedded3: ") + err,
QString::fromLatin1(cerr),
type, mysql_stmt_errno(stmt));
}
static bool qIsBlob(int t)
{
return t == MYSQL_TYPE_TINY_BLOB
|| t == MYSQL_TYPE_BLOB
|| t == MYSQL_TYPE_MEDIUM_BLOB
|| t == MYSQL_TYPE_LONG_BLOB;
}
static bool qIsInteger(int t)
{
return t == MYSQL_TYPE_TINY
|| t == MYSQL_TYPE_SHORT
|| t == MYSQL_TYPE_LONG
|| t == MYSQL_TYPE_LONGLONG
|| t == MYSQL_TYPE_INT24;
}
void embeddedResultPrivate::bindBlobs()
{
int i;
MYSQL_FIELD *fieldInfo;
MYSQL_BIND *bind;
for(i = 0; i < fields.count(); ++i) {
fieldInfo = fields.at(i).myField;
if (qIsBlob(inBinds[i].buffer_type) && meta && fieldInfo) {
bind = &inBinds[i];
bind->buffer_length = fieldInfo->max_length;
delete[] static_cast<char*>(bind->buffer);
bind->buffer = new char[fieldInfo->max_length];
fields[i].outField = static_cast<char*>(bind->buffer);
}
}
}
bool embeddedResultPrivate::bindInValues()
{
MYSQL_BIND *bind;
char *field;
int i = 0;
if (!meta)
meta = mysql_stmt_result_metadata(stmt);
if (!meta)
return false;
fields.resize(mysql_num_fields(meta));
inBinds = new MYSQL_BIND[fields.size()];
memset(inBinds, 0, fields.size() * sizeof(MYSQL_BIND));
MYSQL_FIELD *fieldInfo;
while((fieldInfo = mysql_fetch_field(meta))) {
QMyField &f = fields[i];
f.myField = fieldInfo;
f.type = qDecodeMYSQLType(fieldInfo->type, fieldInfo->flags);
if (qIsBlob(fieldInfo->type)) {
// the size of a blob-field is available as soon as we call
// mysql_stmt_store_result()
// after mysql_stmt_exec() in embeddedResult::exec()
fieldInfo->length = 0;
hasBlobs = true;
} else {
// fieldInfo->length specifies the display width, which may be too
// small to hold valid integer values (see
// http://dev.mysql.com/doc/refman/5.0/en/numeric-types.html ), so
// always use the MAX_BIGINT_WIDTH for integer types
if (qIsInteger(fieldInfo->type)) {
fieldInfo->length = MAX_BIGINT_WIDTH;
}
fieldInfo->type = MYSQL_TYPE_STRING;
}
bind = &inBinds[i];
field = new char[fieldInfo->length + 1];
memset(field, 0, fieldInfo->length + 1);
bind->buffer_type = fieldInfo->type;
bind->buffer = field;
bind->buffer_length = f.bufLength = fieldInfo->length + 1;
bind->is_null = &f.nullIndicator;
bind->length = &f.bufLength;
f.outField=field;
++i;
}
return true;
}
#endif
embeddedResult::embeddedResult(const embeddedDriver* db)
: QSqlResult(db)
{
d = new embeddedResultPrivate(db, this);
}
embeddedResult::~embeddedResult()
{
cleanup();
delete d;
}
QVariant embeddedResult::handle() const
{
#if MYSQL_VERSION_ID >= 40108
if(d->preparedQuery)
return d->meta ? QVariant::fromValue(d->meta) : qVariantFromValue(d->stmt);
else
#endif
return QVariant::fromValue(d->result);
}
void embeddedResult::cleanup()
{
if (d->result)
mysql_free_result(d->result);
// must iterate trough leftover result sets from multi-selects or stored procedures
// if this isn't done subsequent queries will fail with "Commands out of sync"
#if MYSQL_VERSION_ID >= 40100
while (d->driver && d->driver->d->mysql && mysql_next_result(d->driver->d->mysql) == 0) {
MYSQL_RES *res = mysql_store_result(d->driver->d->mysql);
if (res)
mysql_free_result(res);
}
#endif
#if MYSQL_VERSION_ID >= 40108
if (d->stmt) {
if (mysql_stmt_close(d->stmt))
printf("embeddedResult::cleanup: unable to free statement handle");
d->stmt = 0;
}
if (d->meta) {
mysql_free_result(d->meta);
d->meta = 0;
}
int i;
for (i = 0; i < d->fields.count(); ++i)
delete[] d->fields[i].outField;
if (d->outBinds) {
delete[] d->outBinds;
d->outBinds = 0;
}
if (d->inBinds) {
delete[] d->inBinds;
d->inBinds = 0;
}
#endif
d->hasBlobs = false;
d->fields.clear();
d->result = NULL;
d->row = NULL;
setAt(-1);
setActive(false);
}
bool embeddedResult::fetch(int i)
{
if(!d->driver)
return false;
if (isForwardOnly()) { // fake a forward seek
if (at() < i) {
int x = i - at();
while (--x && fetchNext()) {};
return fetchNext();
} else {
return false;
}
}
if (at() == i)
return true;
if (d->preparedQuery) {
#if MYSQL_VERSION_ID >= 40108
mysql_stmt_data_seek(d->stmt, i);
int nRC = mysql_stmt_fetch(d->stmt);
if (nRC) {
#ifdef MYSQL_DATA_TRUNCATED
if (nRC == 1 || nRC == MYSQL_DATA_TRUNCATED)
#else
if (nRC == 1)
#endif
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to fetch data"), QSqlError::StatementError, d->stmt));
return false;
}
#else
return false;
#endif
} else {
mysql_data_seek(d->result, i);
d->row = mysql_fetch_row(d->result);
if (!d->row)
return false;
}
setAt(i);
return true;
}
bool embeddedResult::fetchNext()
{
if(!d->driver)
return false;
if (d->preparedQuery) {
#if MYSQL_VERSION_ID >= 40108
int nRC = mysql_stmt_fetch(d->stmt);
if (nRC) {
#ifdef MYSQL_DATA_TRUNCATED
if (nRC == 1 || nRC == MYSQL_DATA_TRUNCATED)
#else
if (nRC == 1)
#endif // MYSQL_DATA_TRUNCATED
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to fetch data"), QSqlError::StatementError, d->stmt));
return false;
}
#else
return false;
#endif
} else {
d->row = mysql_fetch_row(d->result);
if (!d->row)
return false;
}
setAt(at() + 1);
return true;
}
bool embeddedResult::fetchLast()
{
if(!d->driver)
return false;
if (isForwardOnly()) { // fake this since MySQL can't seek on forward only queries
bool success = fetchNext(); // did we move at all?
while (fetchNext()) {};
return success;
}
my_ulonglong numRows;
if (d->preparedQuery) {
#if MYSQL_VERSION_ID >= 40108
numRows = mysql_stmt_num_rows(d->stmt);
#else
numRows = 0;
#endif
} else {
numRows = mysql_num_rows(d->result);
}
if (at() == int(numRows))
return true;
if (!numRows)
return false;
return fetch(numRows - 1);
}
bool embeddedResult::fetchFirst()
{
if (at() == 0)
return true;
if (isForwardOnly())
return (at() == QSql::BeforeFirstRow) ? fetchNext() : false;
return fetch(0);
}
QVariant embeddedResult::data(int field)
{
if (!isSelect() || field >= d->fields.count()) {
printf("embeddedResult::data: column %d out of range", field);
return QVariant();
}
if (!d->driver)
return QVariant();
int fieldLength = 0;
const embeddedResultPrivate::QMyField &f = d->fields.at(field);
QString val;
if (d->preparedQuery) {
if (f.nullIndicator)
return QVariant(f.type);
if (f.type != QVariant::ByteArray)
val = toUnicode(d->driver->d->tc, f.outField, f.bufLength);
} else {
if (d->row[field] == NULL) {
// NULL value
return QVariant(f.type);
}
fieldLength = mysql_fetch_lengths(d->result)[field];
if (f.type != QVariant::ByteArray)
val = toUnicode(d->driver->d->tc, d->row[field], fieldLength);
}
switch(f.type) {
case QVariant::LongLong:
return QVariant(val.toLongLong());
case QVariant::ULongLong:
return QVariant(val.toULongLong());
case QVariant::Int:
return QVariant(val.toInt());
case QVariant::UInt:
return QVariant(val.toUInt());
case QVariant::Double: {
QVariant v;
bool ok=false;
double dbl = val.toDouble(&ok);
switch(numericalPrecisionPolicy()) {
case QSql::LowPrecisionInt32:
v=QVariant(dbl).toInt();
break;
case QSql::LowPrecisionInt64:
v = QVariant(dbl).toLongLong();
break;
case QSql::LowPrecisionDouble:
v = QVariant(dbl);
break;
case QSql::HighPrecision:
default:
v = val;
ok = true;
break;
}
if(ok)
return v;
else
return QVariant();
}
return QVariant(val.toDouble());
case QVariant::Date:
return qDateFromString(val);
case QVariant::Time:
return qTimeFromString(val);
case QVariant::DateTime:
return qDateTimeFromString(val);
case QVariant::ByteArray: {
QByteArray ba;
if (d->preparedQuery) {
ba = QByteArray(f.outField, f.bufLength);
} else {
ba = QByteArray(d->row[field], fieldLength);
}
return QVariant(ba);
}
default:
case QVariant::String:
return QVariant(val);
}
printf("embeddedResult::data: unknown data type");
return QVariant();
}
bool embeddedResult::isNull(int field)
{
if (d->preparedQuery)
return d->fields.at(field).nullIndicator;
else
return d->row[field] == NULL;
}
bool embeddedResult::reset (const QString& query)
{
if (!driver() || !driver()->isOpen() || driver()->isOpenError() || !d->driver)
return false;
d->preparedQuery = false;
cleanup();
//qDebug() << "In reset: " + query;
const QByteArray encQuery(fromUnicode(d->driver->d->tc, query));
//const QByteArray encQuery = query.toLocal8Bit();
if (mysql_real_query(d->driver->d->mysql, encQuery.data(), encQuery.length())) {
setLastError(qMakeError(QCoreApplication::translate("embeddedResult", "Unable to execute query"),
QSqlError::StatementError, d->driver->d));
return false;
}
d->result = mysql_store_result(d->driver->d->mysql);
if (!d->result && mysql_field_count(d->driver->d->mysql) > 0) {
setLastError(qMakeError(QCoreApplication::translate("embeddedResult", "Unable to store result"),
QSqlError::StatementError, d->driver->d));
return false;
}
int numFields = mysql_field_count(d->driver->d->mysql);
setSelect(numFields != 0);
d->fields.resize(numFields);
d->rowsAffected = mysql_affected_rows(d->driver->d->mysql);
if (isSelect()) {
for(int i = 0; i < numFields; i++) {
MYSQL_FIELD* field = mysql_fetch_field_direct(d->result, i);
d->fields[i].type = qDecodeMYSQLType(field->type, field->flags);
}
setAt(QSql::BeforeFirstRow);
}
setActive(true);
return isActive();
}
int embeddedResult::size()
{
if (d->driver && isSelect())
if (d->preparedQuery)
#if MYSQL_VERSION_ID >= 40108
return mysql_stmt_num_rows(d->stmt);
#else
return -1;
#endif
else
return int(mysql_num_rows(d->result));
else
return -1;
}
int embeddedResult::numRowsAffected()
{
return d->rowsAffected;
}
QVariant embeddedResult::lastInsertId() const
{
if (!isActive() || !d->driver)
return QVariant();
if (d->preparedQuery) {
#if MYSQL_VERSION_ID >= 40108
quint64 id = mysql_stmt_insert_id(d->stmt);
if (id)
return QVariant(id);
#endif
} else {
quint64 id = mysql_insert_id(d->driver->d->mysql);
if (id)
return QVariant(id);
}
return QVariant();
}
QSqlRecord embeddedResult::record() const
{
QSqlRecord info;
MYSQL_RES *res;
if (!isActive() || !isSelect() || !d->driver)
return info;
#if MYSQL_VERSION_ID >= 40108
res = d->preparedQuery ? d->meta : d->result;
#else
res = d->result;
#endif
if (!mysql_errno(d->driver->d->mysql)) {
mysql_field_seek(res, 0);
MYSQL_FIELD* field = mysql_fetch_field(res);
while(field) {
info.append(qToField(field, d->driver->d->tc));
field = mysql_fetch_field(res);
}
}
mysql_field_seek(res, 0);
return info;
}
bool embeddedResult::nextResult()
{
if(!d->driver)
return false;
#if MYSQL_VERSION_ID >= 40100
setAt(-1);
setActive(false);
if (d->result && isSelect())
mysql_free_result(d->result);
d->result = 0;
setSelect(false);
for (int i = 0; i < d->fields.count(); ++i)
delete[] d->fields[i].outField;
d->fields.clear();
int status = mysql_next_result(d->driver->d->mysql);
if (status > 0) {
setLastError(qMakeError(QCoreApplication::translate("embeddedResult", "Unable to execute next query"),
QSqlError::StatementError, d->driver->d));
return false;
} else if (status == -1) {
return false; // No more result sets
}
d->result = mysql_store_result(d->driver->d->mysql);
int numFields = mysql_field_count(d->driver->d->mysql);
if (!d->result && numFields > 0) {
setLastError(qMakeError(QCoreApplication::translate("embeddedResult", "Unable to store next result"),
QSqlError::StatementError, d->driver->d));
return false;
}
setSelect(numFields > 0);
d->fields.resize(numFields);
d->rowsAffected = mysql_affected_rows(d->driver->d->mysql);
if (isSelect()) {
for (int i = 0; i < numFields; i++) {
MYSQL_FIELD* field = mysql_fetch_field_direct(d->result, i);
d->fields[i].type = qDecodeMYSQLType(field->type, field->flags);
}
}
setActive(true);
return true;
#else
return false;
#endif
}
void embeddedResult::virtual_hook(int id, void *data)
{
QSqlResult::virtual_hook(id, data);
}
#if MYSQL_VERSION_ID >= 40108
static MYSQL_TIME *toMySqlDate(QDate date, QTime time, QVariant::Type type)
{
Q_ASSERT(type == QVariant::Time || type == QVariant::Date
|| type == QVariant::DateTime);
MYSQL_TIME *myTime = new MYSQL_TIME;
memset(myTime, 0, sizeof(MYSQL_TIME));
if (type == QVariant::Time || type == QVariant::DateTime) {
myTime->hour = time.hour();
myTime->minute = time.minute();
myTime->second = time.second();
myTime->second_part = time.msec();
}
if (type == QVariant::Date || type == QVariant::DateTime) {
myTime->year = date.year();
myTime->month = date.month();
myTime->day = date.day();
}
return myTime;
}
bool embeddedResult::prepare(const QString& query)
{
if(!d->driver)
return false;
#if MYSQL_VERSION_ID >= 40108
cleanup();
if (!d->driver->d->preparedQuerysEnabled)
return QSqlResult::prepare(query);
int r;
if (query.isEmpty())
return false;
if (!d->stmt)
d->stmt = mysql_stmt_init(d->driver->d->mysql);
if (!d->stmt) {
setLastError(qMakeError(QCoreApplication::translate("embeddedResult", "Unable to prepare statement"),
QSqlError::StatementError, d->driver->d));
return false;
}
const QByteArray encQuery(fromUnicode(d->driver->d->tc, query));
r = mysql_stmt_prepare(d->stmt, encQuery.constData(), encQuery.length());
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to prepare statement"), QSqlError::StatementError, d->stmt));
cleanup();
return false;
}
if (mysql_stmt_param_count(d->stmt) > 0) {// allocate memory for outvalues
d->outBinds = new MYSQL_BIND[mysql_stmt_param_count(d->stmt)];
}
setSelect(d->bindInValues());
d->preparedQuery = true;
return true;
#else
return false;
#endif
}
bool embeddedResult::exec()
{
if (!d->driver)
return false;
if (!d->preparedQuery)
return QSqlResult::exec();
if (!d->stmt)
return false;
int r = 0;
MYSQL_BIND* currBind;
QVector<MYSQL_TIME *> timeVector;
QVector<QByteArray> stringVector;
QVector<my_bool> nullVector;
const QVector<QVariant> values = boundValues();
r = mysql_stmt_reset(d->stmt);
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to reset statement"), QSqlError::StatementError, d->stmt));
return false;
}
if (mysql_stmt_param_count(d->stmt) > 0 &&
mysql_stmt_param_count(d->stmt) == (uint)values.count()) {
nullVector.resize(values.count());
for (int i = 0; i < values.count(); ++i) {
const QVariant &val = boundValues().at(i);
void *data = const_cast<void *>(val.constData());
currBind = &d->outBinds[i];
nullVector[i] = static_cast<my_bool>(val.isNull());
currBind->is_null = &nullVector[i];
currBind->length = 0;
currBind->is_unsigned = 0;
switch (val.type()) {
case QVariant::ByteArray:
currBind->buffer_type = MYSQL_TYPE_BLOB;
currBind->buffer = const_cast<char *>(val.toByteArray().constData());
currBind->buffer_length = val.toByteArray().size();
break;
case QVariant::Time:
case QVariant::Date:
case QVariant::DateTime: {
MYSQL_TIME *myTime = toMySqlDate(val.toDate(), val.toTime(), val.type());
timeVector.append(myTime);
currBind->buffer = myTime;
switch(val.type()) {
case QVariant::Time:
currBind->buffer_type = MYSQL_TYPE_TIME;
myTime->time_type = MYSQL_TIMESTAMP_TIME;
break;
case QVariant::Date:
currBind->buffer_type = MYSQL_TYPE_DATE;
myTime->time_type = MYSQL_TIMESTAMP_DATE;
break;
case QVariant::DateTime:
currBind->buffer_type = MYSQL_TYPE_DATETIME;
myTime->time_type = MYSQL_TIMESTAMP_DATETIME;
break;
default:
break;
}
currBind->buffer_length = sizeof(MYSQL_TIME);
currBind->length = 0;
break; }
case QVariant::UInt:
case QVariant::Int:
case QVariant::Bool:
currBind->buffer_type = MYSQL_TYPE_LONG;
currBind->buffer = data;
currBind->buffer_length = sizeof(int);
currBind->is_unsigned = (val.type() != QVariant::Int);
break;
case QVariant::Double:
currBind->buffer_type = MYSQL_TYPE_DOUBLE;
currBind->buffer = data;
currBind->buffer_length = sizeof(double);
break;
case QVariant::LongLong:
case QVariant::ULongLong:
currBind->buffer_type = MYSQL_TYPE_LONGLONG;
currBind->buffer = data;
currBind->buffer_length = sizeof(qint64);
currBind->is_unsigned = (val.type() == QVariant::ULongLong);
break;
case QVariant::String:
default: {
QByteArray ba = fromUnicode(d->driver->d->tc, val.toString());
stringVector.append(ba);
currBind->buffer_type = MYSQL_TYPE_STRING;
currBind->buffer = const_cast<char *>(ba.constData());
currBind->buffer_length = ba.length();
break; }
}
}
r = mysql_stmt_bind_param(d->stmt, d->outBinds);
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to bind value"), QSqlError::StatementError, d->stmt));
qDeleteAll(timeVector);
return false;
}
}
r = mysql_stmt_execute(d->stmt);
qDeleteAll(timeVector);
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to execute statement"), QSqlError::StatementError, d->stmt));
return false;
}
//if there is meta-data there is also data
setSelect(d->meta);
d->rowsAffected = mysql_stmt_affected_rows(d->stmt);
if (isSelect()) {
my_bool update_max_length = true;
r = mysql_stmt_bind_result(d->stmt, d->inBinds);
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to bind outvalues"), QSqlError::StatementError, d->stmt));
return false;
}
if (d->hasBlobs)
mysql_stmt_attr_set(d->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &update_max_length);
r = mysql_stmt_store_result(d->stmt);
if (r != 0) {
setLastError(qMakeStmtError(QCoreApplication::translate("embeddedResult",
"Unable to store statement results"), QSqlError::StatementError, d->stmt));
return false;
}
if (d->hasBlobs) {
// mysql_stmt_store_result() with STMT_ATTR_UPDATE_MAX_LENGTH set to true crashes
// when called without a preceding call to mysql_stmt_bind_result()
// in versions < 4.1.8
d->bindBlobs();
r = mysql_stmt_bind_result(d->stmt, d->inBinds);