Add driver name to QgsProviderSublayerDetails

python/core/auto_generated/providers/qgsprovidersublayerdetails.sip.in

@@ -121,6 +121,22 @@ Returns the layer's description.
 Sets the layer's ``description``.
 
 .. seealso:: :py:func:`description`
+%End
+
+    QString driverName() const;
+%Docstring
+Returns the layer's driver name.
+
+This is supported only for providers which handle multiple drivers.
+
+.. seealso:: :py:func:`setDriverName`
+%End
+
+    void setDriverName( const QString &driver );
+%Docstring
+Sets the layer's ``driver`` name.
+
+.. seealso:: :py:func:`driverName`
 %End
 
     QStringList path() const;

src/core/providers/qgsprovidersublayerdetails.cpp

@@ -37,7 +37,8 @@ bool QgsProviderSublayerDetails::operator==( const QgsProviderSublayerDetails &o
          && mFeatureCount == other.mFeatureCount
          && mGeometryColumnName == other.mGeometryColumnName
          && mPath == other.mPath
-         && mWkbType == other.mWkbType;
+         && mWkbType == other.mWkbType
+         && mDriverName == other.mDriverName;
 }
 
 bool QgsProviderSublayerDetails::operator!=( const QgsProviderSublayerDetails &other ) const

src/core/providers/qgsprovidersublayerdetails.h

@@ -142,6 +142,22 @@ class CORE_EXPORT QgsProviderSublayerDetails
      */
     void setDescription( const QString &description ) { mDescription = description; }
 
+    /**
+     * Returns the layer's driver name.
+     *
+     * This is supported only for providers which handle multiple drivers.
+     *
+     * \see setDriverName()
+     */
+    QString driverName() const { return mDriverName; }
+
+    /**
+     * Sets the layer's \a driver name.
+     *
+     * \see driverName()
+     */
+    void setDriverName( const QString &driver ) { mDriverName = driver; }
+
     /**
      * Returns the path to the sublayer.
      *
@@ -250,6 +266,7 @@ class CORE_EXPORT QgsProviderSublayerDetails
     QString mGeometryColumnName;
     QStringList mPath;
     QgsWkbTypes::Type mWkbType = QgsWkbTypes::Unknown;
+    QString mDriverName;
 
 };
 

tests/src/python/test_qgsprovidersublayerdetails.py

@@ -69,6 +69,9 @@ class TestQgsProviderSublayerDetails(unittest.TestCase):
         d.setLayerNumber(13)
         self.assertEqual(d.layerNumber(), 13)
 
+        d.setDriverName('drv')
+        self.assertEqual(d.driverName(), 'drv')
+
     def test_equality(self):
         """
         Test equality operator
@@ -116,10 +119,19 @@ class TestQgsProviderSublayerDetails(unittest.TestCase):
         self.assertEqual(d, d2)
 
         d.setGeometryColumnName('geom_col')
-        self.assertEqual(d.geometryColumnName(), 'geom_col')
+        self.assertNotEqual(d, d2)
+        d2.setGeometryColumnName('geom_col')
+        self.assertEqual(d, d2)
 
         d.setLayerNumber(13)
-        self.assertEqual(d.layerNumber(), 13)
+        self.assertNotEqual(d, d2)
+        d2.setLayerNumber(13)
+        self.assertEqual(d, d2)
+
+        d.setDriverName('drv')
+        self.assertNotEqual(d, d2)
+        d2.setDriverName('drv')
+        self.assertEqual(d, d2)
 
     def test_to_layer(self):
         """