diff options
Diffstat (limited to 'src/sql/kernel/qsqlquery.cpp')
| -rw-r--r-- | src/sql/kernel/qsqlquery.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp index 6c6436f..f253c82 100644 --- a/src/sql/kernel/qsqlquery.cpp +++ b/src/sql/kernel/qsqlquery.cpp @@ -822,6 +822,9 @@ bool QSqlQuery::isForwardOnly() const scrollable. isForwardOnly() will always return the correct status of the result set. + \note Calling setForwardOnly after execution of the query will result + in unexpected results at best, and crashes at worst. + \sa isForwardOnly(), next(), seek(), QSqlResult::setForwardOnly() */ void QSqlQuery::setForwardOnly(bool forward) @@ -999,10 +1002,18 @@ bool QSqlQuery::execBatch(BatchExecutionMode mode) must be included when specifying the placeholder name. If \a paramType is QSql::Out or QSql::InOut, the placeholder will be overwritten with data from the database after the exec() call. + In this case, sufficient space must be pre-allocated to store + the result into. To bind a NULL value, use a null QVariant; for example, use \c {QVariant(QVariant::String)} if you are binding a string. + Values cannot be bound to multiple locations in the query, eg: + \code + INSERT INTO testtable (id, name, samename) VALUES (:id, :name, :name) + \endcode + Binding to name will bind to the first :name, but not the second. + \sa addBindValue(), prepare(), exec(), boundValue() boundValues() */ void QSqlQuery::bindValue(const QString& placeholder, const QVariant& val, |