QSqlIndex: add move ctor & move operator

Add the move ctor and move operator for QSqlIndex, also add an explicit
testcase for QSqlIndex

Task-number: QTBUG-109938
Change-Id: I46cc6a24c2e7d5b23d2ac3427cafd01b9ba257ed
Reviewed-by: Marc Mutz <marc.mutz@qt.io>

2 files changed, 24 insertions, 0 deletions

diff --git a/src/sql/kernel/qsqlindex.cpp b/src/sql/kernel/qsqlindex.cpp
index 25b032f336..77af6f0fb8 100644
--- a/src/sql/kernel/qsqlindex.cpp
+++ b/src/sql/kernel/qsqlindex.cpp
@@ -41,6 +41,25 @@ QSqlIndex::QSqlIndex(const QSqlIndex& other)
 {
 }
 
+/*! \fn QSqlIndex::QSqlIndex(QSqlIndex &&other)
+    Move-constructs a new QSqlIndex from \a other.
+
+    \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 6.6
+*/
+/*! \fn QSqlIndex& QSqlIndex::operator=(QSqlIndex &&other)
+    Move-assigns \a other to this QSqlIndex 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 6.6
+*/
+
 /*!
     Sets the index equal to \a other.
 */
@@ -54,6 +73,7 @@ QSqlIndex& QSqlIndex::operator=(const QSqlIndex& other)
     return *this;
 }
 
+
 /*!
     Destroys the object and frees any allocated resources.
 */
diff --git a/src/sql/kernel/qsqlindex.h b/src/sql/kernel/qsqlindex.h
index 08ef14b614..67eeb2a9e0 100644
--- a/src/sql/kernel/qsqlindex.h
+++ b/src/sql/kernel/qsqlindex.h
@@ -17,8 +17,11 @@ class Q_SQL_EXPORT QSqlIndex : public QSqlRecord
 public:
     explicit QSqlIndex(const QString &cursorName = QString(), const QString &name = QString());
     QSqlIndex(const QSqlIndex &other);
+    QSqlIndex(QSqlIndex &&other) noexcept = default;
     ~QSqlIndex();
     QSqlIndex &operator=(const QSqlIndex &other);
+    QSqlIndex &operator=(QSqlIndex &&other) = default;
+
     void setCursorName(const QString &cursorName);
     inline QString cursorName() const { return cursor; }
     void setName(const QString& name);
@@ -32,6 +35,7 @@ public:
 
 private:
     QString createField(int i, const QString& prefix, bool verbose) const;
+    // ### Qt7: move to d-ptr
     QString cursor;
     QString nm;
     QList<bool> sorts;