forceRelaod function including requesting feature reset

qgis · Dec 6, 2019 · e5b0c9d · e5b0c9d
1 parent 2f5d210
commit e5b0c9d
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Showing 2 changed files with 23 additions and 4 deletions.
diff --git a/src/providers/postgres/qgspostgresprovider.cpp b/src/providers/postgres/qgspostgresprovider.cpp
@@ -343,6 +343,15 @@ void QgsPostgresProvider::setListening( bool isListening )
   }
 }
 
+void QgsPostgresProvider::forceReload()
+{
+  mShared->setFeaturesCounted( -1 );
+  mLayerExtent.setMinimal();
+
+  QgsVectorDataProvider::forceReload();
+}
+
+
 QgsPostgresConn *QgsPostgresProvider::connectionRW()
 {
   if ( mTransaction )
@@ -3323,11 +3332,13 @@ bool QgsPostgresProvider::setSubsetString( const QString &theSQL, bool updateFea
 
   if ( updateFeatureCount )
   {
-    mShared->setFeaturesCounted( -1 );
+    forceReload();
+  }
+  else
+  {
+    mLayerExtent.setMinimal();
+    QgsVectorDataProvider::forceReload();
   }
-  mLayerExtent.setMinimal();
-
-  emit dataChanged();
 
   return true;
 }

diff --git a/src/providers/postgres/qgspostgresprovider.h b/src/providers/postgres/qgspostgresprovider.h
@@ -240,6 +240,14 @@ class QgsPostgresProvider : public QgsVectorDataProvider
      */
     void setListening( bool isListening ) override;
 
+    /**
+     * Effect a reload including resetting the feature count
+     * and setting the layer extent to minimal
+     *
+     * \since QGIS 3.12
+    */
+    void forceReload() override;
+
   private:
     Relkind relkind() const;