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-rw-r--r--src/sql/kernel/qsqlquery.cpp119
1 files changed, 81 insertions, 38 deletions
diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp
index f93ca168d1..63f782fe22 100644
--- a/src/sql/kernel/qsqlquery.cpp
+++ b/src/sql/kernel/qsqlquery.cpp
@@ -7,6 +7,7 @@
#include "qatomic.h"
#include "qdebug.h"
+#include "qloggingcategory.h"
#include "qsqlrecord.h"
#include "qsqlresult.h"
#include "qsqldriver.h"
@@ -19,6 +20,8 @@
QT_BEGIN_NAMESPACE
+Q_STATIC_LOGGING_CATEGORY(lcSqlQuery, "qt.sql.qsqlquery")
+
class QSqlQueryPrivate
{
public:
@@ -333,13 +336,12 @@ bool QSqlQuery::isNull(int field) const
This overload is less efficient than \l{QSqlQuery::}{isNull()}
*/
-
-bool QSqlQuery::isNull(const QString &name) const
+bool QSqlQuery::isNull(QAnyStringView name) const
{
qsizetype index = d->sqlResult->record().indexOf(name);
if (index > -1)
return isNull(index);
- qWarning("QSqlQuery::isNull: unknown field name '%s'", qPrintable(name));
+ qCWarning(lcSqlQuery, "QSqlQuery::isNull: unknown field name '%ls'", qUtf16Printable(name.toString()));
return true;
}
@@ -375,7 +377,7 @@ bool QSqlQuery::exec(const QString& query)
t.start();
#endif
if (!driver()) {
- qWarning("QSqlQuery::exec: called before driver has been set up");
+ qCWarning(lcSqlQuery, "QSqlQuery::exec: called before driver has been set up");
return false;
}
if (d->ref.loadRelaxed() != 1) {
@@ -392,19 +394,20 @@ bool QSqlQuery::exec(const QString& query)
}
d->sqlResult->setQuery(query.trimmed());
if (!driver()->isOpen() || driver()->isOpenError()) {
- qWarning("QSqlQuery::exec: database not open");
+ qCWarning(lcSqlQuery, "QSqlQuery::exec: database not open");
return false;
}
if (query.isEmpty()) {
- qWarning("QSqlQuery::exec: empty query");
+ qCWarning(lcSqlQuery, "QSqlQuery::exec: empty query");
return false;
}
bool retval = d->sqlResult->reset(query);
#ifdef QT_DEBUG_SQL
- qDebug().nospace() << "Executed query (" << t.elapsed() << "ms, " << d->sqlResult->size()
- << " results, " << d->sqlResult->numRowsAffected()
- << " affected): " << d->sqlResult->lastQuery();
+ qCDebug(lcSqlQuery()).nospace() << "Executed query (" << t.elapsed() << "ms, "
+ << d->sqlResult->size()
+ << " results, " << d->sqlResult->numRowsAffected()
+ << " affected): " << d->sqlResult->lastQuery();
#endif
return retval;
}
@@ -432,7 +435,7 @@ QVariant QSqlQuery::value(int index) const
{
if (isActive() && isValid() && (index > -1))
return d->sqlResult->data(index);
- qWarning("QSqlQuery::value: not positioned on a valid record");
+ qCWarning(lcSqlQuery, "QSqlQuery::value: not positioned on a valid record");
return QVariant();
}
@@ -444,13 +447,12 @@ QVariant QSqlQuery::value(int index) const
This overload is less efficient than \l{QSqlQuery::}{value()}
*/
-
-QVariant QSqlQuery::value(const QString& name) const
+QVariant QSqlQuery::value(QAnyStringView name) const
{
qsizetype index = d->sqlResult->record().indexOf(name);
if (index > -1)
return value(index);
- qWarning("QSqlQuery::value: unknown field name '%s'", qPrintable(name));
+ qCWarning(lcSqlQuery, "QSqlQuery::value: unknown field name '%ls'", qUtf16Printable(name.toString()));
return QVariant();
}
@@ -596,7 +598,7 @@ bool QSqlQuery::seek(int index, bool relative)
}
// let drivers optimize
if (isForwardOnly() && actualIdx < at()) {
- qWarning("QSqlQuery::seek: cannot seek backwards in a forward only query");
+ qCWarning(lcSqlQuery, "QSqlQuery::seek: cannot seek backwards in a forward only query");
return false;
}
if (actualIdx == (at() + 1) && at() != QSql::BeforeFirstRow) {
@@ -702,7 +704,7 @@ bool QSqlQuery::previous()
if (!isSelect() || !isActive())
return false;
if (isForwardOnly()) {
- qWarning("QSqlQuery::seek: cannot seek backwards in a forward only query");
+ qCWarning(lcSqlQuery, "QSqlQuery::seek: cannot seek backwards in a forward only query");
return false;
}
@@ -735,7 +737,7 @@ bool QSqlQuery::first()
if (!isSelect() || !isActive())
return false;
if (isForwardOnly() && at() > QSql::BeforeFirstRow) {
- qWarning("QSqlQuery::seek: cannot seek backwards in a forward only query");
+ qCWarning(lcSqlQuery, "QSqlQuery::seek: cannot seek backwards in a forward only query");
return false;
}
return d->sqlResult->fetchFirst();
@@ -850,10 +852,9 @@ bool QSqlQuery::isSelect() const
}
/*!
- Returns \c true if you can only scroll forward through a result set;
- otherwise returns \c false.
+ Returns \l forwardOnly.
- \sa setForwardOnly(), next()
+ \sa forwardOnly, next(), seek()
*/
bool QSqlQuery::isForwardOnly() const
{
@@ -861,7 +862,10 @@ bool QSqlQuery::isForwardOnly() const
}
/*!
- Sets forward only mode to \a forward. If \a forward is true, only
+ \property QSqlQuery::forwardOnly
+ \since 6.8
+
+ This property holds the forward only mode. If \a forward is true, only
next() and seek() with positive values, are allowed for navigating
the results.
@@ -890,7 +894,11 @@ bool QSqlQuery::isForwardOnly() const
mode, do not execute any other SQL command on the same database
connection. This will cause the query results to be lost.
- \sa isForwardOnly(), next(), seek(), QSqlResult::setForwardOnly()
+ \sa next(), seek()
+*/
+/*!
+ Sets \l forwardOnly to \a forward.
+ \sa forwardOnly, next(), seek()
*/
void QSqlQuery::setForwardOnly(bool forward)
{
@@ -976,19 +984,19 @@ bool QSqlQuery::prepare(const QString& query)
d->sqlResult->setNumericalPrecisionPolicy(d->sqlResult->numericalPrecisionPolicy());
}
if (!driver()) {
- qWarning("QSqlQuery::prepare: no driver");
+ qCWarning(lcSqlQuery, "QSqlQuery::prepare: no driver");
return false;
}
if (!driver()->isOpen() || driver()->isOpenError()) {
- qWarning("QSqlQuery::prepare: database not open");
+ qCWarning(lcSqlQuery, "QSqlQuery::prepare: database not open");
return false;
}
if (query.isEmpty()) {
- qWarning("QSqlQuery::prepare: empty query");
+ qCWarning(lcSqlQuery, "QSqlQuery::prepare: empty query");
return false;
}
#ifdef QT_DEBUG_SQL
- qDebug("\n QSqlQuery::prepare: %s", query.toLocal8Bit().constData());
+ qCDebug(lcSqlQuery, "\n QSqlQuery::prepare: %ls", qUtf16Printable(query));
#endif
return d->sqlResult->savePrepare(query);
}
@@ -1015,9 +1023,9 @@ bool QSqlQuery::exec()
bool retval = d->sqlResult->exec();
#ifdef QT_DEBUG_SQL
- qDebug().nospace() << "Executed prepared query (" << t.elapsed() << "ms, "
- << d->sqlResult->size() << " results, " << d->sqlResult->numRowsAffected()
- << " affected): " << d->sqlResult->lastQuery();
+ qCDebug(lcSqlQuery).nospace() << "Executed prepared query (" << t.elapsed() << "ms, "
+ << d->sqlResult->size() << " results, " << d->sqlResult->numRowsAffected()
+ << " affected): " << d->sqlResult->lastQuery();
#endif
return retval;
}
@@ -1029,8 +1037,6 @@ bool QSqlQuery::exec()
*/
/*!
- \since 4.2
-
Executes a previously prepared SQL query in a batch. All the bound
parameters have to be lists of variants. If the database doesn't
support batch executions, the driver will simulate it using
@@ -1234,6 +1240,8 @@ QVariant QSqlQuery::lastInsertId() const
}
/*!
+ \property QSqlQuery::numericalPrecisionPolicy
+ \since 6.8
Instruct the database driver to return numerical values with a
precision specified by \a precisionPolicy.
@@ -1252,17 +1260,19 @@ QVariant QSqlQuery::lastInsertId() const
active query. Call \l{exec()}{exec(QString)} or prepare() in order
to activate the policy.
- \sa QSql::NumericalPrecisionPolicy, numericalPrecisionPolicy()
+ \sa QSql::NumericalPrecisionPolicy, QSqlDriver::numericalPrecisionPolicy,
+ QSqlDatabase::numericalPrecisionPolicy
*/
+/*!
+ Sets \l numericalPrecisionPolicy to \a precisionPolicy.
+ */
void QSqlQuery::setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy)
{
d->sqlResult->setNumericalPrecisionPolicy(precisionPolicy);
}
/*!
- Returns the current precision policy.
-
- \sa QSql::NumericalPrecisionPolicy, setNumericalPrecisionPolicy()
+ Returns the \l numericalPrecisionPolicy.
*/
QSql::NumericalPrecisionPolicy QSqlQuery::numericalPrecisionPolicy() const
{
@@ -1270,8 +1280,41 @@ QSql::NumericalPrecisionPolicy QSqlQuery::numericalPrecisionPolicy() const
}
/*!
- \since 4.3.2
+ \property QSqlQuery::positionalBindingEnabled
+ \since 6.8
+ This property enables or disables the positional \l {Approaches to Binding Values}{binding}
+ for this query, depending on \a enable (default is \c true).
+ Disabling positional bindings is useful if the query itself contains a '?'
+ which must not be handled as a positional binding parameter but, for example,
+ as a JSON operator for a PostgreSQL database.
+
+ This property will have no effect when the database has native
+ support for positional bindings with question marks (see also
+ \l{QSqlDriver::PositionalPlaceholders}).
+*/
+
+/*!
+ Sets \l positionalBindingEnabled to \a enable.
+ \since 6.7
+ \sa positionalBindingEnabled
+*/
+void QSqlQuery::setPositionalBindingEnabled(bool enable)
+{
+ d->sqlResult->setPositionalBindingEnabled(enable);
+}
+
+/*!
+ Returns \l positionalBindingEnabled.
+ \since 6.7
+ \sa positionalBindingEnabled
+*/
+bool QSqlQuery::isPositionalBindingEnabled() const
+{
+ return d->sqlResult->isPositionalBindingEnabled();
+}
+
+/*!
Instruct the database driver that no more data will be fetched from
this query until it is re-executed. There is normally no need to
call this function, but it may be helpful in order to free resources
@@ -1293,8 +1336,6 @@ void QSqlQuery::finish()
}
/*!
- \since 4.4
-
Discards the current result set and navigates to the next if available.
Some databases are capable of returning multiple result sets for
@@ -1320,7 +1361,7 @@ void QSqlQuery::finish()
databases may have restrictions on which statements are allowed to
be used in a SQL batch.
- \sa QSqlDriver::hasFeature(), setForwardOnly(), next(), isSelect(),
+ \sa QSqlDriver::hasFeature(), forwardOnly, next(), isSelect(),
numRowsAffected(), isActive(), lastError()
*/
bool QSqlQuery::nextResult()
@@ -1331,3 +1372,5 @@ bool QSqlQuery::nextResult()
}
QT_END_NAMESPACE
+
+#include "moc_qsqlquery.cpp"