Added failing test for tables with INHERITS

tests/src/python/test_provider_postgres.py

@@ -93,5 +93,20 @@ def test_table(dbconn, table_name, wkt):
         test_table(self.dbconn, 'mls2d', 'MultiLineString ((0 0, 1 1),(2 2, 3 3))')
         test_table(self.dbconn, 'mls3d', 'MultiLineStringZ ((0 0 0, 1 1 1),(2 2 2, 3 3 3))')
 
+    def testGetFeaturesUniqueId(self):
+        def test_unique(dbconn, table_name, num_features):
+            vl = QgsVectorLayer('%s srid=4326 table="qgis_test".%s (geom) sql=' % (dbconn, table_name), "testgeom", "postgres")
+            assert(vl.isValid())
+            features = [f for f in vl.getFeatures()]
+            featureids = []
+            for f in features:
+                self.assertFalse(f.id() in featureids)
+                featureids.append(f.id())
+            self.assertEqual(len(features), num_features)
+
+        test_unique(self.dbconn, 'someData', 5)
+        test_unique(self.dbconn, 'base_table', 4)
+
+
 if __name__ == '__main__':
     unittest.main()

tests/testdata/provider/testdata.sql

@@ -188,3 +188,47 @@ CREATE TABLE qgis_test.mls3d(
 );
 
 INSERT INTO qgis_test.mls3d values (1, 'srid=4326;MultiLineString((0 0 0, 1 1 1),(2 2 2, 3 3 3))'::geometry);
+
+
+CREATE TABLE qgis_test.base_table
+(
+  gid serial NOT NULL,
+  geom geometry(Point,4326),
+  code character varying,
+  CONSTRAINT base_pkey PRIMARY KEY (gid)
+)
+WITH (
+  OIDS=FALSE
+);
+
+CREATE TABLE qgis_test.child_table
+(
+  gid serial NOT NULL,
+  geom geometry(Point,4326),
+  code character varying,
+  CONSTRAINT child_pkey PRIMARY KEY (gid)
+)
+INHERITS ( qgis_test.base_table)
+WITH (
+  OIDS=FALSE
+);
+
+
+CREATE TABLE qgis_test.child_table2
+(
+  gid serial NOT NULL,
+  geom geometry(Point,4326),
+  code character varying,
+  CONSTRAINT child2_pkey PRIMARY KEY (gid)
+)
+INHERITS ( qgis_test.base_table)
+WITH (
+  OIDS=FALSE
+);
+
+INSERT INTO qgis_test.child_table (gid, geom, code) VALUES (1, 'srid=4326;Point(0 0)'::geometry, 'child 1');
+INSERT INTO qgis_test.child_table (gid, geom, code) VALUES (2, 'srid=4326;Point(1 1)'::geometry, 'child 2');
+
+
+INSERT INTO qgis_test.child_table2 (gid, geom, code) VALUES (1, 'srid=4326;Point(-1 -1)::geometry', 'child2 1');
+INSERT INTO qgis_test.child_table2 (gid, geom, code) VALUES (2, 'srid=4326;Point(-1 1)::geometry', 'child2 2');