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QSqlQuery: Add QStringView overloads 

Add an overload to QSqlQuery::isNull()/::value() taking a QStringView -
those two functions can now use the newly introduced
QSqlRecord::indexOf(QStringView)

[ChangeLog][QtSql][QSqlRecord] QSqlQuery::isNull() and value() gained a
new overload taking a QStringView.

Change-Id: Icebce88b94a7413130bdd7ec0098f51726d05892
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
bb10
Christian Ehrlicher 2023-12-22 20:57:35 +01:00
parent 993f318014
commit f2dba19194
2 changed files with 23 additions and 7 deletions
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26
src/sql/kernel/qsqlquery.cpp
View File

@ -325,6 +325,14 @@ bool QSqlQuery::isNull(int field) const
|| d->sqlResult->isNull(field);
}
/*!
\overload
*/
bool QSqlQuery::isNull(const QString &name) const
{
return isNull(QStringView(name));
}
/*!
\overload
@ -333,13 +341,12 @@ 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(QStringView name) const
{
qsizetype index = d->sqlResult->record().indexOf(name);
if (index > -1)
return isNull(index);
qWarning("QSqlQuery::isNull: unknown field name '%s'", qPrintable(name));
qWarning("QSqlQuery::isNull: unknown field name '%s'", qPrintable(name.toString()));
return true;
}
@ -436,6 +443,14 @@ QVariant QSqlQuery::value(int index) const
return QVariant();
}
/*!
\overload
*/
QVariant QSqlQuery::value(const QString &name) const
{
return value(QStringView(name));
}
/*!
\overload
@ -444,13 +459,12 @@ 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(QStringView name) const
{
qsizetype index = d->sqlResult->record().indexOf(name);
if (index > -1)
return value(index);
qWarning("QSqlQuery::value: unknown field name '%s'", qPrintable(name));
qWarning("QSqlQuery::value: unknown field name '%s'", qPrintable(name.toString()));
return QVariant();
}

4
src/sql/kernel/qsqlquery.h
View File

@ -50,6 +50,7 @@ public:
bool isActive() const;
bool isNull(int field) const;
bool isNull(const QString &name) const;
bool isNull(QStringView name) const;
int at() const;
QString lastQuery() const;
int numRowsAffected() const;
@ -64,7 +65,8 @@ public:
void setForwardOnly(bool forward);
bool exec(const QString& query);
QVariant value(int i) const;
QVariant value(const QString& name) const;
QVariant value(const QString &name) const;
QVariant value(QStringView name) const;
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;