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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qsqlerror.h"
#include "qdebug.h"
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const QSqlError &s)
{
QDebugStateSaver saver(dbg);
dbg.nospace();
dbg << "QSqlError(" << s.nativeErrorCode() << ", " << s.driverText()
<< ", " << s.databaseText() << ')';
return dbg;
}
#endif
class QSqlErrorPrivate : public QSharedData
{
public:
QString driverError;
QString databaseError;
QSqlError::ErrorType errorType;
QString errorCode;
};
QT_DEFINE_QESDP_SPECIALIZATION_DTOR(QSqlErrorPrivate)
/*!
\class QSqlError
\brief The QSqlError class provides SQL database error information.
\ingroup database
\inmodule QtSql
A QSqlError object can provide database-specific error data,
including the driverText() and databaseText() messages (or both
concatenated together as text()), and the nativeErrorCode() and
type().
\sa QSqlDatabase::lastError(), QSqlQuery::lastError()
*/
/*!
\enum QSqlError::ErrorType
This enum type describes the context in which the error occurred, e.g., a connection error, a statement error, etc.
\value NoError No error occurred.
\value ConnectionError Connection error.
\value StatementError SQL statement syntax error.
\value TransactionError Transaction failed error.
\value UnknownError Unknown error.
*/
/*! \fn QSqlError::QSqlError(QSqlError &&other)
Move-constructs a QSqlError instance, making it point at the same
object that \a other was pointing to.
\note The moved-from object \a other is placed in a
partially-formed state, in which the only valid operations are
destruction and assignment of a new value.
\since 5.10
*/
/*! \fn QSqlError::operator=(QSqlError &&other)
Move-assigns \a other to this QSqlError instance.
\note The moved-from object \a other is placed in a
partially-formed state, in which the only valid operations are
destruction and assignment of a new value.
\since 5.10
*/
/*! \fn QSqlError::swap(QSqlError &other)
Swaps error \a other with this error. This operation is very fast
and never fails.
\since 5.10
*/
/*!
Constructs an error containing the driver error text \a
driverText, the database-specific error text \a databaseText, the
type \a type and the error code \a code.
*/
QSqlError::QSqlError(const QString &driverText, const QString &databaseText,
ErrorType type, const QString &code)
: d(new QSqlErrorPrivate)
{
d->driverError = driverText;
d->databaseError = databaseText;
d->errorType = type;
d->errorCode = code;
}
/*!
Creates a copy of \a other.
*/
QSqlError::QSqlError(const QSqlError &other)
= default;
/*!
Assigns the \a other error's values to this error.
*/
QSqlError &QSqlError::operator=(const QSqlError &other)
= default;
/*!
Compare the \a other error's type() and nativeErrorCode()
to this error and returns \c true, if it equal.
*/
bool QSqlError::operator==(const QSqlError &other) const
{
return (d->errorType == other.d->errorType &&
d->errorCode == other.d->errorCode);
}
/*!
Compare the \a other error's type() and nativeErrorCode()
to this error and returns \c true if it is not equal.
*/
bool QSqlError::operator!=(const QSqlError &other) const
{
return (d->errorType != other.d->errorType ||
d->errorCode != other.d->errorCode);
}
/*!
Destroys the object and frees any allocated resources.
*/
QSqlError::~QSqlError()
= default;
/*!
Returns the text of the error as reported by the driver. This may
contain database-specific descriptions. It may also be empty.
\sa databaseText(), text()
*/
QString QSqlError::driverText() const
{
return d->driverError;
}
/*!
Returns the text of the error as reported by the database. This
may contain database-specific descriptions; it may be empty.
\sa driverText(), text()
*/
QString QSqlError::databaseText() const
{
return d->databaseError;
}
/*!
Returns the error type, or -1 if the type cannot be determined.
*/
QSqlError::ErrorType QSqlError::type() const
{
return d->errorType;
}
/*!
Returns the database-specific error code, or an empty string if
it cannot be determined.
\note Some drivers (like DB2 or ODBC) may return more than one
error code. When this happens, \c ; is used as separator between
the error codes.
*/
QString QSqlError::nativeErrorCode() const
{
return d->errorCode;
}
/*!
This is a convenience function that returns databaseText() and
driverText() concatenated into a single string.
\sa driverText(), databaseText()
*/
QString QSqlError::text() const
{
QString result = d->databaseError;
if (!d->databaseError.isEmpty() && !d->driverError.isEmpty() && !d->databaseError.endsWith(u'\n'))
result += u' ';
result += d->driverError;
return result;
}
/*!
Returns \c true if an error is set, otherwise false.
Example:
\snippet code/src_sql_kernel_qsqlerror.cpp 0
\sa type()
*/
bool QSqlError::isValid() const
{
return d->errorType != NoError;
}
QT_END_NAMESPACE
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