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author | Bradley T. Hughes <bradley.hughes@nokia.com> | 2009-06-15 09:57:36 (GMT) |
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committer | Bradley T. Hughes <bradley.hughes@nokia.com> | 2009-06-15 09:57:36 (GMT) |
commit | 336dfcef05cb63df0a6d550b59a4badc7a0f01c1 (patch) | |
tree | a218ec97413e0c8ebc9600ac5db9b2adea485b32 /src/sql/kernel/qsqldatabase.cpp | |
parent | e44d64510e019e5d3b379b704cfb824e0d7ccc9d (diff) | |
download | Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.zip Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.tar.gz Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.tar.bz2 |
Merge of master
Diffstat (limited to 'src/sql/kernel/qsqldatabase.cpp')
-rw-r--r-- | src/sql/kernel/qsqldatabase.cpp | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/src/sql/kernel/qsqldatabase.cpp b/src/sql/kernel/qsqldatabase.cpp index a270c0e..990ad9a 100644 --- a/src/sql/kernel/qsqldatabase.cpp +++ b/src/sql/kernel/qsqldatabase.cpp @@ -129,11 +129,16 @@ Q_GLOBAL_STATIC(QConnectionDict, dbDict) class QSqlDatabasePrivate { public: - QSqlDatabasePrivate(QSqlDriver *dr = 0): + QSqlDatabasePrivate(QSqlDatabase *d, QSqlDriver *dr = 0): + q(d), driver(dr), port(-1) { ref = 1; + if(driver) + precisionPolicy = driver->numericalPrecisionPolicy(); + else + precisionPolicy= QSql::LowPrecisionDouble; } QSqlDatabasePrivate(const QSqlDatabasePrivate &other); ~QSqlDatabasePrivate(); @@ -142,6 +147,7 @@ public: void disable(); QAtomicInt ref; + QSqlDatabase *q; QSqlDriver* driver; QString dbname; QString uname; @@ -151,6 +157,7 @@ public: int port; QString connOptions; QString connName; + QSql::NumericalPrecisionPolicy precisionPolicy; static QSqlDatabasePrivate *shared_null(); static QSqlDatabase database(const QString& name, bool open); @@ -164,6 +171,7 @@ public: QSqlDatabasePrivate::QSqlDatabasePrivate(const QSqlDatabasePrivate &other) { ref = 1; + q = other.q; dbname = other.dbname; uname = other.uname; pword = other.pword; @@ -172,6 +180,7 @@ QSqlDatabasePrivate::QSqlDatabasePrivate(const QSqlDatabasePrivate &other) port = other.port; connOptions = other.connOptions; driver = other.driver; + precisionPolicy = other.precisionPolicy; } QSqlDatabasePrivate::~QSqlDatabasePrivate() @@ -216,7 +225,7 @@ DriverDict &QSqlDatabasePrivate::driverDict() QSqlDatabasePrivate *QSqlDatabasePrivate::shared_null() { static QSqlNullDriver dr; - static QSqlDatabasePrivate n(&dr); + static QSqlDatabasePrivate n(NULL, &dr); return &n; } @@ -281,6 +290,7 @@ QSqlDatabase QSqlDatabasePrivate::database(const QString& name, bool open) */ void QSqlDatabasePrivate::copy(const QSqlDatabasePrivate *other) { + q = other->q; dbname = other->dbname; uname = other->uname; pword = other->pword; @@ -288,6 +298,7 @@ void QSqlDatabasePrivate::copy(const QSqlDatabasePrivate *other) drvName = other->drvName; port = other->port; connOptions = other->connOptions; + precisionPolicy = other->precisionPolicy; } void QSqlDatabasePrivate::disable() @@ -658,7 +669,7 @@ QStringList QSqlDatabase::connectionNames() QSqlDatabase::QSqlDatabase(const QString &type) { - d = new QSqlDatabasePrivate(); + d = new QSqlDatabasePrivate(this); d->init(type); } @@ -670,7 +681,7 @@ QSqlDatabase::QSqlDatabase(const QString &type) QSqlDatabase::QSqlDatabase(QSqlDriver *driver) { - d = new QSqlDatabasePrivate(driver); + d = new QSqlDatabasePrivate(this, driver); } /*! @@ -1469,6 +1480,42 @@ QString QSqlDatabase::connectionName() const return d->connName; } +/*! + + Sets the default numerical precision policy that queries use when created + on this database connection. + + Note: Drivers that don't support fetching numerical values with low + precision will ignore the precision policy. You can use + QSqlDriver::hasFeature() to find out whether a driver supports this + feature. + + Note: Setting the default precision policy doesn't affect any currently + active queries. + + \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy() +*/ +void QSqlDatabase::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy) +{ + if(driver()) + driver()->setNumericalPrecisionPolicy(precisionPolicy); + d->precisionPolicy = precisionPolicy; +} + +/*! + Returns the current default precision policy for the database connection. + + \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy(), QSqlQuery::numericalPrecisionPolicy(), QSqlQuery::setNumericalPrecisionPolicy() +*/ +QSql::NumericalPrecisionPolicy QSqlDatabase::numericalPrecisionPolicy() const +{ + if(driver()) + return driver()->numericalPrecisionPolicy(); + else + return d->precisionPolicy; +} + + #ifndef QT_NO_DEBUG_STREAM QDebug operator<<(QDebug dbg, const QSqlDatabase &d) { |